The fin on the back of an orca is called the dorsal fin.
Dorsal fin.
Dorsal fin
An orcas dorsal fin (the fin on the back of a aquatic mammal, so times on a shark) can get to be 6 feet tall.
It is used for balance and to skim through the water easier
To maintain directional stability (steering) while moving through the water.
The fin on the top/back of all fish is called the "Dorsal Fin."
Dorsal fin
Yes. In October 2005, sixteen orcas attacked, killed, and ate a fin whale in the Gulf of California, Baja California, Mexico.
The tail fins are 'flukes'. Otherwise the fin on any marine animal is "... fin" where "..,." is the adjective denoting its position on the body.
the dorsal fin
the female orca's dorsal fin is curved and the males dorsal fin is straight
well the fins on its side are called flippers and the fin on its back is called the dorsal fin and its tail is its tail flukes
well the fins on its side are called flippers and the fin on its back is called the dorsal fin and its tail is its tail flukes
The dorsal fin is the fin on the back of a fish, for example the typical triangular fin on the back of a shark is its dorsal fin.