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How many dorsal fins on a perch?
There are two Dorsal fins on a perch. The anterior and posterior Dorsal fins.
What the type of fins does a porpoise?
Porpoises have triangular dorsal fins (as opposed to the curved dorsal fins of dolphins and whales). Some species of porpoise have small bumps on their fins, but the purpose of these bumps is unknown.
What are the Differences between sharks dolphin and whales?
Sharks have straight dorsal fins, dolphins have curved dorsal fins and whales don't have dorsal fins :)
Do giant catfish have dorsal fins?
Yes, giant cat fish do have dorsal fins.
Are shark dorsal fins straight while dolphin dorsal fins are curved?
Yes, shark dorsal fins are triangular and straight while dolphin dorsal fins are very curved and streamlined. A Google Image Search will clarify this even better.
Which fins together form the paired fins?
dorsal fins
Do eels have dorsal fins?
no
What kinds of fins does a porpoise have?
Pectoral fins, dorsal fin, and the flukes!
Where are the dorsal fins located at the seahorse?
The dorsal fin locates on the back of the seahorse.
Do stingrays have Dorsal fins?
yes, they do it is next to their spiny dorsal fin.
Do narwhals live in dens or spaces under rocks?
Yes, narwhals may be found in nature's equivalent of dens. But no, it's not under rocks or in a rock riddled environment that narwhals live. Instead, it's within the fissures and hollowed spaces within the underwater ice formations of Arctic waters. Such places are hiding places for narwhals from predators. Narwhals don't have dorsal fins. So they navigate easily in and out of these underwater habitats. Their dorsally finned predators can't.
What is the name of the fins on a shark?
dorsal fin
