Question

Which of the following is catadromous fish?
A. Hilsosp.
B. Mystussp.
C. Anguilla sp.
D. Channasp.

Answer 1

Hint: There are some special kinds of fishes, which migrate from one location to another location in a particular time period of year or season every year for the search of food or for reproduction.

Complete answer:
Hilso Fish (Tenualosailisha) is an Anadromous fish that is found in freshwater rivers, estuaries, sea shores and in sea. It is mainly found in indian and pacific region.
Mystus fish is a Potamodromous fresh water migratory fish. It migrates short distances in fresh water from a tributary to main river to spawn.
Anguilla fish is a catadromous fish normally living in fresh water and migrating towards the sea for spawning.
Channa fishes are freshwater fishes. These are also called snakeheads.

Hence, the correct answer is option (C).

Note: There are some categories of migratory fishes –
Anadromous Fishes: These adult fishes normally reside in saline sea water but during the breeding season, they migrate towards the freshwater to spawn and to produce young ones in freshwater. Like salmon, sea lamprey etc.
Catadromous Fishes: These adult fishes live in freshwater and they migrate towards sea water during breeding season to spawn and to produce young ones in sea water. Like eel fishes etc.
Potamodromous fishes: These fished live their whole life in fresh water and they migrate small distances for spawning. They migrate from a freshwater tributary to its main river. Example Pimelodidcatfish.