Spotted seahorse

A species of seahorse that changes its coloration between black, brown, and yellow in order to match its environment. Their long, tubular snouts have a small mouth at the end, which they use to suck up tiny fish and plankton.

Scientific Name
Hippocampus kuda
Order: Syngnathiformes, Family: Syngnathidae
South of Wakayama Prefecture, Indian Ocean, Pacific Ocean