Flying robin and Scorpaenoid fish

Flying robin noun - Tropical fish with huge fanlike pectoral fins for underwater gliding; unrelated to searobins.

Scorpaenoid fish and flying robin are semantically related. In some cases you can use "Scorpaenoid fish" instead a noun phrase "Flying robin".

Scorpaenoid fish noun - Fishes having the head armored with bony plates.

Flying robin and scorpaenoid fish are semantically related. Sometimes you can replace phrase "Flying robin" with "Scorpaenoid fish", this phrases are similar.