Sentences with phrase «ventral fins»
They have large, blunt heads, heavy bodies and stubbed tails, with elongated dorsal and ventral fins that can span 4 metres.
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Most renowned for their eccentric shape, the mola has no caudal fin, yet displays excessively large dorsal and ventral fins.
Its two pairs of ventral fins were of particular note as they were found to have evolved from the same structures as the limbs of land animals.
Compared with wild - type embryos (A), uninjected alk8 — / — embryos are weakly (class 2; C2) dorsalized (B), with loss of the ventral fin fold (arrowheads).
Not exact matches
Biologists studying fossils in the 19th century thought that coelacanths, with their fleshy ventral and pectoral fins, were likely to have been the first fish to crawl out of the sea.
These whales are especially characterized by the dorsal fins present in their ventral pleats and their backs.