The whale shark (Rhincodon typus) is the world’s largest fish, growing to maximum known sizes of 18 m (59 feet) total length. A new study led by University of Western Australia marine biologists has found that male whale sharks grow quickly, before plateauing at an average adult length of about …
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Paleontologists in Mongolia have found the fossilized remains of Minjinia turgenensis, a new genus and species of placoderm fish that lived 410 million years ago (Early Devonian epoch). They’ve examined a partial braincase and skull roof of Minjinia turgenensis and found extensive endochondral bone, the hard bone that makes up …
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New Study Sheds Light on Diet of Juvenile Great White Sharks The diet of juvenile white sharks (Carcharodon carcharias) is about 32% mid-water fish, 17% bottom-dwelling fish, 5% reef fish, and 15% batoid fish such as stingrays; the remainder is unidentified fish or less abundant prey, according to new research …
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A new study led by the American Museum of Natural History (AMNH) provides the strongest evidence to date that sharks arose from a group of bony fishes called Acanthodii (acanthodians, or ‘spiny sharks’). General view of the Doliodus problematicus specimen, showing the ventral part of the individual viewed in dorsal …
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