Question

Which of the following is a fresh water edible fish?
A) Eel
B) Rohu
C) Sardine
D) Hilsa

Answer 1

Hint: Freshwater fishes are those which live in freshwater systems such as rivers and ponds, where water salinity is less than 1.05%. Marine fishes live in ocean water. Brackish water fish live in intermediate saline conditions such as backwaters.

Complete answer:
Let us analyse the options step by step.
Option A: Eel is an edible fish. Eel is found in fresh water as well as in marine water. Common eel live in freshwater and migrate to the ocean to breed. Therefore, this is an incorrect option.
Option B: Rohu is a fish of the Carp family and it occurs in rivers of south Asia. Rohu is a freshwater fish. It is an edible fish with high market value and thus widely cultivated throughout India. Therefore, this is the correct option.
Option C: Sardines are nutrient rich edible fish . Sardines are marine fish. Therefore, this is an incorrect option.
Option D: Hilsa is a popular edible fish. It lives in brackish water and marine water. Therefore, this is an incorrect option.

Additional information:
Fisheries has an important place in Indian economy.The cultivation and rearing of fish is known as pisciculture. Aquaculture refers to the cultivation of fishes and other aquatic organisms such as prawns, oysters etc.

Hence the correct answer is option ‘B’.

Note: Fishes are highly nutritious, rich in protein and easily digestible food and fish oil are a source of vitamin A and have medicinal uses.Some of the common edible freshwater fishes are Catla, Rohu, Singhi.Some edible marine fishes are Hilsa, Sardines, Mackerel and Pomfrets.