Question

This diagram is of a bony fish. What parts of the fish are labeled a and b?

a. anterior fin
b. frontal lobe fin

a. caudal fin
b. pectoral fin

a. dorsal fin
b. pelvic fin

a. an al fin
b. pectoral fin

Answer 1

a.dorsal
b.pelivc fin

Answer 2

Bony fishes are the fishes whose skeleton is made up of bones. They come under the class Osteichthyes.

The parts of a bony fish in the diagram are the following:

a. dorsal fin

b. pelvic fin

Bony Fishes

• Bony fishes are the fishes whose skeleton is primarily consist of bone tissue.

• Some examples of bony fishes are: Tuna, Giant frog fish, Seahorses, Lionfish etc.

• The fin present in the upper region of the fish is called dorsal fin.

• The fin present in the lower body or pelvic region is called pelvic fin.

Thus, the correct option is:

a. dorsal fin

b. pelvic fin

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