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.
Dorsal is the one on its back
Flukes dorsal fins and pectoral fins
ichthyosaurs
Pectoral fins, dorsal fin, and the flukes!
Ichthyosaur
dolphin
No, the noun "porpoise" is a common noun, a general word for a type of aquatic mammal; a word for any porpoise anywhere.
a porpoise's color depends on its type. the main colors of a porpoise is brown to gray and lighter brown, gray, but usually white on the belly.
dolphins, bass etc, porpoise (dolphin)
Whitebait is a type of fish so it would have fins.
Yes, a vaquita is a type of porpoise. They consume fish.
No a porpoise is a mammal.
There are a wide range of different fins available for scuba diving. Other than dive fins, these include fins such as snorkel fins, paddle fins and split fins.
I believe it is a porpoise.