Marine white spot disease is caused by:

Correct option is C

Correct Answer: (c) Cryptocaryon sp.
Explanation:
→ Cryptocaryon irritans causes marine ich or marine white spot disease.
→ Characterized by white cysts on skin and gills of marine fishes.
Information Booster:
→ Warmer temperatures accelerate its life cycle.
→ Treatment includes copper sulfate or hyposalinity.
→ Highly contagious in marine aquaculture.
Additional Information: Ichthyophthirius multifiliis causes freshwater ich, not marine.