A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals...

possess two dorsal fins with separate bases, as opposed to the single dorsal fin of most ray-finned fish (except some teleosts). The caudal fin is either...

females, have a dorsal fin that is partially or completely collapsed to one side. Several hypotheses exist as to why this happens. A dorsal fin is held erect...

and tail fins. As they swim, they use other fins, such as dorsal and anal fins, to achieve stability and refine their maneuvering. The fins on the tails...

organism Dorsal, positioned on top of an aircraft's fuselage Dorsal consonant, a consonant articulated with the back of the tongue Dorsal fin, the fin located...

below. Finlets: Small fins generally between the dorsal and the caudal fins, but may also be between the anal fin and the caudal fin. In bichirs, there are...

of the ryukin and possesses an egg-shaped body, a high dorsal fin, double caudal and anal fins, and no shoulder hump. Veiltail goldfish - It is similar...

The body is relatively thin with a slender rostrum and large hook-like dorsal fins that are situated in the upper fourth of the body. It has an elongated...

X-15 show a conventional fixed fin and trailing rudder, and a ventral fin. This was changed to dorsal and ventral fins each with the outer half acting...

million years ago. Members of this family are noted for their peculiar dorsal fin. The taxonomic history of the Family Stethacanthidae has been rather complicated...