Question

Connecting link between cartilaginous and bony fishes is

• A. Catla
• B. Chimaera
• C. Protopterus
• D. Torpedo

Answer 1

The correct option is B Chimaera

• Chimaera is a connecting link between cartilaginous and bony fishes.
• It resembles cartilaginous fishes in the following characters: cartilaginous skeleton, ventral mouth, two dorsal fins, claspers, placoid scales in the young.

• It resembles bony fishes in the following characters: small mouth with fleshy lips, tooth plates joined to the jaws, four pairs of gills, the absence of cloaca, separate anus, and urogenital aperture.

Thus, the correct answer is option B.