Question

Which is among the following is a connecting link between fish and amphibians?

• A. Catfish
• B. Gambusia
• C. Protopterus
• D. Clupea

Answer 1

The correct option is C Protopterus

A. Catfish is a fish that has long whiskers and thus, its mouth resembles the mouth of a cat.

B. Gambusia, also known as mosquitofish, is a freshwater fish.

C. Protopterus, a genus of lungfish is considered as the connecting link between the fishes and amphibians. It has a fish-like appearance, paired fins and also has amphibians like characters like internal nostrils, lungs and heart.

D. Clupea is also known as herring fish and is found in shallow and temperate waters of oceans.

So, the correct answer is option C.