Fishes which spawn on sands are called:

Correct option is D

→ Psammophils are fishes that prefer sandy substrates for spawning.
→ Eggs are deposited on or buried within sand for protection.
→ Common in species adapted to shallow or coastal sandy habitats.
Information Booster:
→ Sandy substrates help reduce predation risk on eggs.
→ Some psammophils use wave action to oxygenate eggs.
→ Substrate-specific spawning behaviour is key for habitat-based fisheries management.
Additional Information (Other Options):
(a) Pelagophils: Spawn in open water (pelagic zone).
(b) Aerophils: Spawn on vegetation exposed to air.
(c) Spleophils: Spawn in caves or dark areas.