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catfish barbels function

catfish barbels function

This, by the resistance of the. Another adducting mechanism is present in those, siluroids with a sliding palatine-maxillary system, such as pimelodids or, bagrids. They are the "whiskers" found on the head area of fish such as catfish or bullheads. 7.3B: black arrows) (Diogo and Chardon, 2000a: 464). A rocking palatine-maxillary system is present in. For each morphological transformation, the way it was realised is hypothesized and the probable adaptive advantage it brings is analysed. We further confirm the validity of characters from the adductor mandibulae previously proposed to support the monophyly of the Esocoidei and the gonorynchiform clade Gonorynchoidei plus Knerioidei. The sea catfish Plotosus lineatus has four pairs of barbels of almost the same length as major taste and tactile organs. So, in the absence of well preserved fossils, a gap remains between the diplomystids and the other ostariophysans. In general, catfish females lay eggs and those eggs are left alone. catfishes, with comments on plesiomorphic states. The mandibular barbels are plesiomorphically, absent in catfishes, but present in the great majority of non-diplomystid, catfishes, which usually present two pairs (e.g., Fig, Chardon, 2000a). Knowledge Article. http://www.amazon.com/Understanding-Human-Anatomy-Pathology-Developmental/dp/1498753841, We are currently raising funds to study shark development in Experiment.com (Crowdfunding Platform for Scientific Research). 7.6). DIOGO, R., I. DOADRIO (2008). The cranial cartilages of teleosts and their classification. that is cylindrical in cross-section, and lacks scales. Barebells Functional Foods 1633 Electric Ave Unit A Venice, CA 90201 United States . Profil der Freien Gesellschaft Catfish barbels. An Introduction to Functional Morphology of the Cell. evolutionary morphology of feeding mechanisms in loricarioid catfishes. A, comparative account of the cranial musculature in four bagrid genera with a note, nervous system on maintenance of taste buds and regeneration of barbels in the. Authors: Rui Diogo and Michel Chardon. Abbreviations: ex-md-b: external mandibular barbel; in-md-b: internal mandibular barbel; mx-, barbels are necessary to initiate feeding responses and contact with food, is needed (Biedenbach, 1971). on the dentary by means of a large number of thin and short fibres (Fig. The retractor tentaculi muscle is connected to the maxilla through a single tendon, so that both extensor and retractor tentaculi muscles contribute to a wide array of movements of the maxillary barbels. The majority of ∼4,000 catfish species, such as the channel catfish (Ictalurus punctatus), possess abundant whisker-like barbels. 7.7A, B). opening and closing of mouth in two Indian major carps. Catfish (noun) Any fish of the order fresh water, lacking scales, and having barbels like whiskers around the mouth. of India may be 2 m (6.5 feet) long. Sur les bourgeons du goût du poisson-chat, 1998. 1983a. The catfish (Siluroidei) appear to have evolved from an ancestor which, in most respects other than the form of its teeth, resembled primitive Characinoidei. Movable barbels projecting radially out from the head enable the fish to scan a much larger volume of water for food than it could without them. Channel catfish get bigger have narrower heads; sharper forked tails, blackish chin barbels (whiskers) – and have 25 to 28 rays, while a white catfish has 22 to 25 rays. In a series of at least 28 studies published between 1999 and 2007, 26 of them as sole or first author, Diogo discussed the pectoral and superficial cranial muscles -including the adductor mandibulae complex -of many groups across the breadth of the Siluriformes (Diogo, Vandewalle & Chardon, 1999;Diogo & Chardon, 2000a, b;Diogo, Oliveira & Chardon, 2000, ... 8; Gosline, 1975: fig. Whether it be a meeting point or a place to eat, drink and socialize. Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. replacing the maxillo-mandibulary ligament, and, consequently. The distributions of these clades overlap in a relatively narrow region of east Asia. the cephalic region and pectoral girdle of. New characters corroborate the putative monophyly of the clades Albuliformes plus Notacanthiformes (Elopomorpha), Argentinoidei plus Esocoidei plus Salmonoidei (Protacanthopterygii) and Hemiodontidae plus Parodontidae (Characiformes). in the stretched maxillo-mandibular (primordial) ligament”. 7.3B: white arrows); if their dorsal extremity is pulled anteriorly. 7.5A, B). The sea catfish Plotosus lineatus has four pairs of barbels of almost the same length as major taste and tactile organs. 6B). Gills: Gills are the feathery tissue structure that allows fish to breathe in water. familles apparentées de poissons Siluriformes Bagroidei. Functional properties of barbel mechanoreceptors in catfish.  2001. Hoagland, H. 1932. Abbreviations: ang-art: angulo-articular; apal: autopalatine; den: dentary; ex-t: extensor tentaculi; l-mx-md: ligamentum maxillo-mandibulare; mx: maxilla; other catfishes maxillary teeth are lacking, ex, Diogo and Chardon, 2001). They thrive in holes and muddy … A heuristic search for trees 1 step longer than the shortest trees yielded 253 890 trees. Taste buds are located in the epidermis of each barbel throughout the length of barbel. TATEDA H. Nature, 01 Oct 1961, 192: 343-344 DOI: 10.1038/192343a0 PMID: 13919799 . These barbels are filled with sensors that catfish use to taste the food before it enters their mouth and to … These organs are sensory organs that help the fish locate food in murky waters, acting as taste buds or nostrils. Catfish. cartilaginous basal frame supported by the surrounding bones of the nasal, region (Fig. 7.5, 7.7, 7.8A) (see above). Most fish possessing barbells are bottom dwelling fish such as catfish, carp, goatfish and some sharks, that primarily hunt, or scavenge for food in murkier waters, such as sea beds, or lakes. Ventral view of the head. For that purpose, we undertook a cladistic analysis including 70 terminal taxa of 20 different orders and 271 morphological characters, concerning mainly osteological and myological structures of the cephalic region, pectoral girdle and fins and anterior vertebrae. 7.4). A remarkable anatomical complex in teleosts is the adductor mandibulae, the primary muscle in mouth closure and whose subdivisions vary in number and complexity. premaxillo-maxillary ligament, provokes abduction of the maxilla (Fig. Specific nerve impulses from gustatory and tactile receptors in, Howes, G.J. In all catfishes, movements of the maxillary barbels are related to a mobile, mechanism, the palatine-maxillary system (Gosline, 1975). The supporting part attaches anteriorly. Their culture in modern times follows a similar trend to that of tilapias: first domestication trials by the year 1950 and adoption of the North African catfish Clarias gariepinus as the most desirable catfish for aquaculture in the mid 1970s. "But I believe it functions most effectively as an attractor to the catfish, something to get the fish's attention. The organ and sense of taste in fishes. (1999, 2000b) and Diogo and Chardon (2000b), and, a detailed overview on the origin, anatomy, distribution, nomenclature and synonymy of these structures recently, As mentioned in the Introduction, the cartilages associated with, catfish mandibular barbels are characteristically divided into a supporting, and a moving part (Fig. When examined by scanning electron microscopy, they are visualized as a series of punctate, conical elevations projecting from the general surface epithelium. White catfish are members of the bullhead catfish family, Ictaluridae. Barbeled catfish and barbel-less catfish are ideal natural models for determination of the genomic basis for … Comments on the homologies, plesiomorphic states and evolution of the cephalic and pectoral muscles within the Otocephala are given. & I.O. Other articles where Barbel is discussed: barb: …one or more pairs of barbels (slender, fleshy protuberances) near the mouth and often have large, shining scales. The cylindrical barbel shapes are built on an internal support system that can be made from ossified tissue or from cartilaginous connective tissue that provides a base for blood vessels and myelinated nerves to wrap around, held together in the dermis. praemaxillo-maxillare; mx: maxilla; prmx: premaxilla; ses: sesamoid bones. Catfish are so-named because of their whisker-like barbels, which are located on the nose, each side of the mouth, and on the chin. We observed broad adductor mandibulae muscles in both Glanidium and Tatia, catfishes with depressed heads and smaller eyes. How old was queen elizabeth 2 when she became queen? The barbels are arranged in a definite pattern with four under the jaw and one on each tip of the maxilla (upper jaw). When examined by scanning electron microscopy, they are visualized as a series of punctate, conical elevations projecting from the general surface epithelium. Because these barbels can taste food it helps the catfish feed. Who is the actress in the saint agur advert? They are named based on the large, prominent barbels protruding around their mouth. non-diplomystid catfishes: e.g., Diogo and Chardon, 2000a). This confusion has implications not only for comparative morphology, but also for phylogenetic studies. its adduction being powered, according to Royero and Neville (1997: 164) “by release of energy. I have a 25 gallon tank with one betta, 6 Cory catfish and 5 tetras. The barbels on a fish (such as a catfish for example) are near their mouths and contain their taste buds; they use them to find food in murky water. The Origin and Transformation of the Palatine-Maxillary System of Catfish (Teleostei: Siluriformes):... [Functional morphology of mediator systems of the brain], General Cytology. Anatomy and relationships of the scoloplacid catfishes, Striated muscles of the Teleostei (muscles of the caudal fin), The palatine-maxillary mechanism in catfishes with comments on the evolution and zoogeography of modern siluroids, Phylogenetic relationships within the Eurasian catfish family Siluridae (Pisces: Siluriformes), with comments on generic validities and biogeography, Anatomy, Relationships and Systematics of the Bagridae (Teleostei: Siluroidei) with a Hypothesis of Siluroid Phylogeny, The Central Rod of the Barbels of a South American Catfish, Pimelodus clarias, Book came out today: Understanding Human Anatomy and Pathology: An Evolutionary and Developmental Guide for Medical Students, Sharks and the puzzling origin of our closest tetrapod relatives, Cranial muscle development and evolution in vertebrates. Other articles where Barbel is discussed: barb: …one or more pairs of barbels (slender, fleshy protuberances) near the mouth and often have large, shining scales. "In catfish, gustation plays a primary role in the orientation and location of food". opg. In some cases, abduction of the maxillary barbel in, siluroids could be generated through muscular activity directly on the. represents the plesiomorphic condition for siluriforms (Diogo et al., 2000a; Diogo and Chardon, 2000), is rather simple (Fig. They feel soft to the touch and do not sting. Touching them will help alleviate fishermen’s fears. Siluriform sister-groups (Gymnotiformes and Characiformes) do not have barbels at all and do not present. All rights reserved. related to mouth closure. Gustatory pathways in the bullhead catfish. The barbels' function is to detect food. acts as the fulcrum for maxillary barbel abduction/adduction movements. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Catfish are so-named because of their whisker-like barbels, which are located on the nose, each side of the mouth, and on the chin. The palatine-maxillary system of diplomystids, which very likely. On the other hand, in Centromochlus, with forms having large eyes and the tallest head, the adductor mandibulae muscles are slim; there is a thin aponeurotic or muscular insertion for the levator arcus palatini muscle; the adductor arcus palatini muscle originates from a single osseous process, forming a keel on the parasphenoid; the extensor tentaculi muscle is loosely attached to the autopalatine, permitting exclusive rotating and sliding movements between this bone and the maxillary. 1997. 1;Diogo et al., 2000, Please disseminate within your colleagues, students and teachers: The barbels are soft fleshy whiskers that do NOT sting. In fact, the monophyly of the Argentiniformes (Alepocephaloidea + Argentinoidea) is well supported by the cladistic analysis of the present work. foodin murky water. When did organ music become associated with baseball? When examined by scanning electron microscopy, they are visualized as a series of punctate, conical elevations projecting from the general surface epithelium. Where can i find the fuse relay layout for a 1990 vw vanagon or any vw vanagon for the matter? These barbels do move in small circles while the catfish are emerged, which may aid in localization of chemicals, but these are likely passive movements because we found no direct musculature associated with the nasal barbels upon dissection. With respect to the nasal barbels, they present, as, noted above, a rather limited taxonomic distribution within Siluriformes, compared to the other two types of barbels, and are related neither to a. mobile mechanism nor to a muscular system. Barbels are a general characteristic of Siluriformes (Fig. Here we will conduct molecular gene expression assays during shark development, shedding light onto the molecular processes involved in the origin of particular morphological innovations in gnathostomes, including craniofacial, appendicular and gastrointestinal structures. Phylogenetic implications of the observed variations in the adductor mandibulae are discussed and new possible synapomorphies are proposed for the Notacanthiformes, Ostariophysi, Cypriniformes, Siluriphysi, Gymnotiformes, and Alepocephaloidei. The patterns of innervation in the barbels of the sea catfish were studied to reveal peripheral neural organization for taste and mechanosensory systems. When did Elizabeth Berkley get a gap between her front teeth? Catfish (noun) Someone who creates a fake profile on a social media platform in order to deceive people. (2000a: 384), the main morphological, differences between the palatine-maxillary system of diplomystid and non-, diplomystid catfishes are: (1) a de novo ligament joining the maxilla to the, premaxilla; (2) the distal end of the maxilla is no longer attached to the. A numerical cladistic analysis, based on 23 terminal groups and 63 morphological characters, was done to infer phylogenetic relationships within the Eurasian catfish family Siluridae. These barbels are filled with sensors that catfish use to taste the food before it enters their mouth and to smell out their prey in murky waters. The adaptive transformation of the palatine-maxillary system in catfish: T. freedom and increased mobility for a major sensory device, the maxillary barbel. The structures associated with movements of the mandibular barbels were, analysed in some detail in studies such as those of Munshi (1960), Singh, (1967), Munshi and Singh (1967), Singh and Munshi (1968), Ghiot, (1976, 1978), Howes (1983a), Ghiot et al. It is linked with the lower jaw by two, ligaments (Fig. and Singh, 1967; Singh, 1967; Singh and Munshi, 1968; Winterbottom, 1974; Jayaram and Singh, 1982; Howes, 1983a, b, 1985), which extends. There is no retractor tentaculi muscle in either the Glanidium or Tatia species. md-b: internal mandibular barbel; intm: intermandibularis; intt: intertentacularis; md: mandible; pr-ex-md-b: protractor externi mandibularis tentaculi; pr-h-l, pr-h-v: pars lateralis, and ventralis of protractor hyoidei; re-ex-md-b: retractor externi mandibularis tentaculi; re-. Catfish barbels are clearly, involved in near-field chemoreception (while nostrils are concerned with, far-field: Herrick, 1903) and mechanoreception including gliding and. They feel soft to the touch and do not sting. Science Publishers Inc., Enfield, NH, pp. They function a lot like taste buds. Brain dissection of an adult catfish confirmed that innervation of the barbels is by both the fifth and seventh cranial nerves, and not solely by the seventh cranial nerve as suggested by Olmstead (1920). In fact, some, catfishes present, in addition to the muscles mentioned above, a depressor, interni mandibularis tentaculi and an intertentacularis (Diogo and, depressor interni mandibularis tentaculi promotes depression of the, internal mandibular barbels (Fig. A supra-branchial or accessory respiratory organ, composed of a paired pear-shaped air-chamber containing two arborescent structures is generally present. On the catfish and bullheads, barbels are thought to be a sensory organ to help track down prey or food. On the left side of the illustration the pars dorsalis and lateralis of the protractor hyoidei and, the hyohyoideus inferior were removed and the anterior portions of the ‘elastic/cell-rich. The barbels of the catfish have exquisite tactile sensitivity. The osteoglossomorphs included in the analysis are grouped in a monophyletic clade, which is the sister-group of the remaining non-elopomorph teleosts. Difficulties in recognizing homologies amongst adductor mandibulae subdivisions across the Teleostei have hampered the understanding of the evolution of this system and consequently its application in phylogenetic analyses. Movable barbels projecting radially out from the head enable the fish to scan a much larger volume of water for food than it could without them. In the consensus cladogram obtained, the elopomorphs appear as the most basal extant teleosts. Problems in catfish anatomy and phylogeny ex, 1983b. How long will the footprints on the moon last? (Arratia, 1987, 1992; Grande, 1987; Mo, 1991; Scheme illustrating palatine-maxillary system of, Scheme illustrating the palatine-maxillary system of, Ventral view of the palatine-maxillary system of, Dorsal view of anterior region of the cranium showing, (Siluroidei: Clariidae), with some notes on the palatine-maxillary, An Atlas of Freshwater and Marine Catfish: a Preliminary Survey of the, Higher level phylogeny of Siluriformes, with a new classification of, Unpubl. They are just part of their sensory glands that make them aplha scavengers. Paradoxically, shark embryology using modern molecular techniques remains poorly explored. © 2008-2020 ResearchGate GmbH. 7.5A, B), which is, linked through a cartilaginous joint to the autopalatine (Fig. between the “elastic/cell-rich basal cartilage” of the nasal barbel and the surrounding bones, (modified from Mo, 1991). Only the proximal parts of the mandibular barbels are illustrated. The anterior part, termed the supporting part by Diogo, and Chardon (2000a), is usually situated between the base of the barbels, 7.3A, B). The most simple and direct is through contraction, of a retractor tentaculi muscle directly inserted on the maxilla, which is. Abbreviations: apal: autopalatine; cp: coronoid. 1982. Th e muscles of the cephalic region and pectoral girdle of Denticeps clupeoides are described and compared with those of other otocephalans (= clupeomorphs + ostariophysans). This analysis revealed four additional putative synapomorphies of the Siluridae, pending further resolution of the family's outgroup relationships. mandibulare; l-pri: ligamentum primordium; md: mandible; mx: maxilla; mx-b: maxillary barbel; barbel to the adducted position (Fig. lateral surface of the mandible by a strong ligament (Diogo et al., 2000a: fig. They don't string per say, but are very sharp (and serrated on a channel catfish) and can cut/poke you. Higher-level phylogeny of SiluriformesAn overview. As mentioned in the Introduction, the nasal barbels of catfishes (Fig. The facts remain that catfish are diverse group of ray finned freshwater fish. pressure sensitivity, direct contact and rheotactism (Hoagland, 1932; Biedenbach, 1971). In general, the configuration of the cephalic and pectoral girdle muscles of Denticeps seems to correspond to the plesiomorphic condition for extant otocephalans, the main exceptions being: the dilatator operculi, which is rather small and is to a great extent covered in lateral view by the preopercle; the arrector dorsalis, which is not divided into two well-differentiated, separate sections; the protractor pectoralis, which is missing. Evolution of these characteristics was a crucial step in their adaptive radiation to freshwater environments. The Otocephala, the Clupeiformes, and the Ostariophysi appear as monophyletic clades, thus contradicting the results of some recent molecular cladistic analyses placing the Alepocephaloidea inside the Otocephala. What is the function of barbels in the part of the fish. Catfishes exhibit three main types of barbels, namely, mandibular barbels and nasal barbels. Catfish barbels also referred to as catfish whiskers or barbs, are harmless. The strict consensus also infers a basal dichotomy that separates the Siluridae into a temperate Eurasian clade with about 20 nominal species and a subtropical/tropical south and southeast Asian clade with about 75 nominal species. The density of taste buds is low at the … External taste buds abound on barbels of the adult catfish Corydoras arcuatus. Catfish have up to eight "barbels" (whisker-like appendages) located on the chin or sides of the mouth. All taste buds were found to be of one type. There are four pairs of barbels ("whiskers") around the mouth, two on the chin, one at the angle of the mouth, and one behind the nostril. Abbreviations: af-apal-, neu: articulatory facet of autopalatine for neurocranium; apal: autopalatine; ex-t-3-4: bundles. Development and variation of the suspensorium of primitive catfishes (T. Ostariophysi) and their phylogenetic relationships. 2Division of Food Function, National Food Research Institute, Tsukuba, Japan ... Catfish barbells were fixed overnight in 4% paraformaldehyde at 4˚C. Description of four new bagrid catfishes from Africa (Siluriformes: Royero, R. and A.C. Neville. Catfish (Siluriformes) are characterized by unique morphologies, including enlarged jaws with movable barbels and taste buds covering the entire body surface. also used so the fish is aware of its surrondings. Einloggen 1971. 7.5A, B), which rotates the maxilla, in the same way as in many teleosts with a partially freed maxilla, Chardon, 2001). Catfish are scaleless, a characteristic of catfishes distinguishing them from most other teleost fish. barbels being restored due to simple elasticity. 7.3B). 2000a. reassessment of its phylogentic relationships. Jayaram, K.C. Check deine Charakterdetails. Abbreviations: af-apal-neu: articulatory facet of autopalatine for neurocranium; apal: autopalatine; ex-t: extensor tentaculi; l-pri: ligamentum primordium; l-prmx-mx: ligamentum. The muscles of the cephalic region and pectoral girdle of Denticeps clupeoides are described and compared with those of other otocephalans (= clupeomorphs + ostariophysans). The single muscle, associated with the palatine-maxillary system of diplomystids is the, extensor tentaculi, derived from the anterior portion of the adductor arcus. These organs are sensory organs that help the fish locate food in murky waters, acting as taste buds or nostrils. They got the name whiskers because of their similarity to a real cat’s whiskers. On the catfish and bullheads, barbels are thought to be a sensory organ to help track down prey or food. On the epidermis, taste bu… of extensor tentaculi; l-prmx-mx: ligamentum praemaxillo-maxillare; mx: maxilla; mx-b: attached on the proximal tip of the maxilla in such a manner that, when. from Diogo and Chardon, 2001). HEADQUARTERS Barebells Functional Foods AB Box 22029 10422 Stockholm Sweden; instagram; Produced by Webbyrån Generation. praemaxillo-maxillare; leth: lateral ethmoid; leth-ap: anterior process of lateral ethmoid; mx: maxilla; mx-b-ax: axial rod of maxillary barbel; mx-b-or: origin of axial rod of maxillary barbel; ns: nasal bone; ns-b: nasal barbel; prmx: premaxilla. Access scientific knowledge from anywhere. Comments on the homol-ogies, plesiomorphic states and evolution of the cephalic and pectoral muscles within the Otocephala are given. 7.3A, B) which, according to Diogo and Chardon (2000a: 464) confer on, the mandibular barbels a solid exterior point dappui, creating an, articulatory system somewhat similar to the rocking palatine-maxillary, system present in some catfishes (Fig. Our observations and comparisons indicate that catfish suspensorium consists of: 1) a hyomandibula+metapterygoid compound, which corresponds to the hyomandibula plus metapterygoid of other teleosts; 2) a symplectic+quadrate compound, which corresponds to the symplectic+quadrate of other teleosts; 3) an ectopterygoid+ectopterygoid compound, which corresponds to the entopterygoid plus ectopterygoid of other teleost. The study of this cosmopolitan and particularly diverse group representing about one-third of all freshwater fishes thus supports the importance of functional uncouplings in morphological macroevolution. A Japanese sea catfish emerges from its nest, locates a polychaete worm and ingests it. The hatched baby fish (called "fry") must fend for themselves. All taste buds were found to be of one type. XXI/BD/19533/99 (Fundação para a Ciência e a T, 1997b. This, runs from the hyoid arch to the anterodorsal margin of the moving part. In: Sensory Biology of Jawed Fishes  New Insights. Siluroidei) with a hypothesis of siluroid phylogeny. 7.3A, B). Contributions to the study of bagrid fishes, 15. The Barbels of the Adult African Catfish from Eastern Nigeria: a Micro Morphological and Functional Study The micro-morphology of adult farmed African catfish Clarias gariepinus barbel was investigated to enrich our knowledge of teleost biology as there is dearth information on this species barbel from available literature, and also for any functional morphological adaptation. Related Information. Homologies between different adductor mandibulae sections of teleostean, fishes, with a special regard to catfishes (T, 2001. Heuristic searches constrained by monophyly of Silurus, Ompok or Kyptopterus yielded trees five or six steps longer than the shortest trees free of constraints. In general, the confi guration of the cephalic and pectoral girdle muscles of Denticeps seems to correspond to the plesiomorphic condition for extant otocephalans, the main exceptions being: the dilatator operculi, which is rather small and is to a great extent covered in lateral view by the preopercle; the arrector dorsalis, which is not divided into two well-diff erentiated, separate sections; the protractor pectoralis, which is missing. The origin and transformation of catfish (Teleostei : Siluriformes) palatine-maxillary system: an example of adaptive macroevolution. A functional morphological study of the feeding system in pigeons (Columba livia L.) : behavioral fl... Chapter: Functional Morphology of Catfishes: Movements of Barbels. The catfish (Siluroidei) appear to have evolved from an ancestor which, in most respects other than the form of its teeth, resembled primitive Characinoidei. The catfish (Siluroidei) appear to have evolved from an ancestor which, in most respects other than the form of its teeth, resembled primitive Characinoidei. “Much of the catfish’s senses in terms of feeding efficiency come by way of their ‘whiskers,’ correctly known as barbels. Because these barbels can taste food it helps the catfish feed.

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