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elasmobranch |
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elasmobranch (ĭlăs`məbrăngk), cartilaginous fish, member of the subclass Elasmobranchii of the vertebrate class Chondrichthyes (see Chordata Chordata (kôrdā`tə,–dä`–) ..... Click the link for more information. ). This group includes sharks shark, 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. ..... Click the link for more information. , skates, and rays ray, 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. ..... Click the link for more information. . How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Pescadores y Tiburones has also started educational workshops that cover elasmobranch biology and management issues, and an environmental education curriculum for children is under development. Traditional Shark Definition: Shark (~shark): Any of numerous marine elasmobranch fishes of medium to large size that have a fusiform body, lateral gill clefts and a tough, usually dull gray skin roughened by minute tubercles, are typically active, voracious and rapacious predators. He has authored more than 40 scientific papers on topics ranging from aquarium procedures to fish hematology to the feeding and reproduction of sharks, and is a former member of the board of directors of the American Elasmobranch Society (devoted to the study of sharks and related marine life), for which he served as president in 1992-93. |
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