4/27/2023 0 Comments Tsharks![]() The sonic hedgehog dentition expression is first found as a bilateral symmetrical pattern and is found in certain areas of the embryonic jaw. They also present upper and lower labial furrows. The snouts of the species of Apristurus are flat. Most of the species have a patterned appearance, ranging from stripes to patches to spots.Ĭharacteristics of genus Apristurus are mostly dark bodies, and having a long anal fin that ends in front of where the lower caudal fin begins. Most species are fairly small, growing no longer than 80 cm (31 in) a few, such as the nursehound ( Scyliorhinus stellaris) can reach 1.6 m (5.2 ft) in length. Smith and Radcliffe in Smith, 1912Ĭatsharks may be distinguished by their elongated, cat-like eyes and two small dorsal fins set far back. The family includes 17 genera and over 150 species, making it the largest family of sharks. ![]() Small-spotted catshark, Scyliorhinus canicula
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