Tri-lobed caudal fin is the characteristic of which of the following families?

Correct option is A

Correct Answer: (a) Bombay duck
Explanation:
→ Bombay duck (Harpadon nehereus) possesses a distinctive tri-lobed caudal fin, unlike the typical forked or lunate fins of many marine fishes.
→ The three lobes give it a characteristic tail morphology used in species identification.
→ This feature supports its unique swimming pattern and soft-bodied structure.
Information Booster:
→ Bombay duck belongs to the order Aulopiformes.
→ Highly valued in the dried fish industry along the Indian coast.
→ Found primarily in the Arabian Sea and Bay of Bengal.
Additional Information (Other Options):
(b) Milk fish – Chanos chanos, forked tail.
(c) Lizard fish – typically forked caudal fin.
(d) Tuna – lunate (crescent-shaped) caudal fin.