elasmobranch


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elasmobranch

(ĭlăs`məbrăngk), cartilaginous fish, member of the subclass Elasmobranchii of the vertebrate class Chondrichthyes (see ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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). This group includes sharksshark,
member of a group of almost exclusively marine and predaceous fishes. There are about 250 species of sharks, ranging from the 2-ft (60-cm) pygmy shark to 50-ft (15-m) giants. They are found in all seas, but are most abundant in warm waters.
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, skates, and raysray,
extremely flat-bodied cartilaginous marine fish, related to the shark. The pectoral fins of most rays are developed into broad, flat, winglike appendages, attached all along the sides of the head; the animal swims by rippling movements of these wings.
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References in periodicals archive ?
Phylogenetic and ecological factors influencing the number and distribution of electroreceptors in elasmobranchs. Journal of Fish Biology, 80(5), 2055-2088.
Davis, "Quarantine and Prophylaxis for Elasmobranchs," in Elasmobranch Husbandry Manual: Captive Care of Sharks, Rays, and their Relatives, M.
Gill, Effects of EMFs From Undersea Power Cables on Elasmobranchs and Other Marine Species, OCS Study BOEMRE 2011-09, United States Department of the Interior, Bureau of Ocean Energy Management, Regulation, and Enforcement, Pacific OCS Region, Camarillo, CA, USA, 2011.
According to Campana (2001), age and growth studies of elasmobranchs indicated a mean coefficient of variation (CV) of 10% for vertebral centra and 11% for spines.
Fish and elasmobranch species assemblages showed similar patterns to that of invertebrate species assemblages.
It was created in conjunction with Save Our Seas Foundation and Mote and will recognize early career female scientists who demonstrate uncommon perseverance, dedication and innovation in biological research and public outreach on elasmobranch fishes, just as Clark did.
The Port Jackson shark, like all elasmobranchs, features obvious sexual dimorphism in that males and females can be distinguished readily upon examination of their genitalia.
Molist et al., "Temporal and spatial organization of tyrosine hydroxylase-immunoreactive cell groups in the embryonic brain of an elasmobranch, the lesser-spotted dogfish Scyliorhinus caniculaBrain Research Bulletin, vol.