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The bala shark (Balantiocheilos melanopterus), also known as the tricolor shark, tricolor sharkminnow, silver shark, or shark minnow, is a fish of the family Cyprinidae, and is one of the two species in the genus Balantiocheilos. [2] This species is not a true shark, but is commonly so called because of its torpedo-shaped body and large fins.
Cyprinid fishes of the genus Balantiocheilos are easily distinguished from other members of the family by the presence of thick and fleshy lips, the lower lip bearing a large lobe that is deeply incised medially along its posterior edge and black along the distal margins of the dorsal, caudal, anal and pelvic fins.
The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite the fact that no male sharks appear to have been involved.
Most male fish have two testes of similar size. In the case of sharks, the testes on the right side is usually larger [citation needed].The primitive jawless fish have only a single testis, located in the midline of the body, although even this forms from the fusion of paired structures in the embryo.
While the majority of sharks are solely marine, a small number of shark species have adapted to live in freshwater. The river sharks (of the genus Glyphis) live in freshwater and coastal marine environments. The bull shark (Carcharhinus leucas), can swim between salt and fresh water, and are found in tropical rivers around the world.
Charlotte the stingray, who garnered attention earlier this year for her unaccountable pregnancy, has died, a North Carolina aquarium shared. Aquarium & Shark Lab by Team ECCO posted on Facebook ...
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The bala shark is listed as a vulnerable species by the IUCN Red List, having become rare or extinct in many river basins of its native range. However, large numbers of the species are bred in captivity and exported from Thailand for the aquarium trade. This bala shark was photographed at Karlsruhe Zoo in Karlsruhe, Germany. Photograph credit ...