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tail fin
Word History and Origins
Origin of tail fin1
Example Sentences
Its torpedo-shaped body and high tail fin suggest the shark was an active swimmer, although not a particularly fast one, say vertebrate paleontologist Romain Vullo of the University of Rennes in France and colleagues.
Tail-fin thrice depth of tail-musculature, which extends beyond posterior end of tail-fin giving sword-tail appearance (Fig. 2).
His dorsal stood up straight and stiff, and the big sickle-shaped tail-fin wove to and fro behind.
The tail-fin, which is deepest at mid-length, extends to the back of the head and is flecked with brown.
These specimens are olive-brown above with cream-colored spots on the flanks; the dorsal tail-fin does not extend onto the body.
The dorsal and ventral fins are often divided into two or more parts, and the tail fin is commonly distinctly forked.
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