The movement of fish where fishes move along with water current during migration are called:

Correct option is A

Correct Answer: (a) Drifting movement
Explanation:
→ Drifting movement describes passive movement with water currents, common in larvae and juvenile stages.
→ Requires little or no energy expenditure.
Information Booster:
→ Helps wide dispersal of early life stages.
→ Contranatant = swimming against current; denatant = swimming with current actively.