Question

Which of the following are freshwater fishes?
A) Mackerel and Rohu
B) Rohu, common carp, and catla
C) Hilsa and sardine
D) None of these

Answer 1

Hint: Freshwater fishes are native inhabitants of the freshwater ecosystem such as lakes and rivers where you have less salinity i.e. close to 1.05%.

Complete Answer:
1) Mackerel - Mackerel is a pelagic fish category belonging to the family Scombridae. These fishes are common inhabitants of tropical and temperate seas. Most of these fishes have restricted distribution range.
2) Rohu – Rohu fishes belong to the carp family and widely distributed across the South Asian rivers. This is a representation of the large omnivore family and extensively preferred for aquaculture. Thus, Rohu is a freshwater fish.
3) Common Carp – Also known as European Carp, the common carp is a native of the widespread freshwater bodies of Europe and Asia. There are two subspecies here – C. c. carpio and C. c. yilmaz.
4) Catla – Catla is majorly found in the freshwater bodies such as South Asia. It is a common native of the lakes and rivers in Myanmar, India, Pakistan, Nepal, and Bangladesh.
5) Hilsa Fish – The hilsa fish belongs to the fish family of Clupeidae and is a popular after food fish across the borders of Indian subcontinent.
6) Sardine – Sardine fishes are nutrient rich and oily fishes consumed widely for their high Omega-3 contents. This is a marine fish.

The correct option for B) Rohu, Common Carp, and Catla.

Note: On the basis of the habitat, fishes are of three types. They are,
Freshwater fish
Marine Water fish
Brackish water fish