Flying gurnard and Scorpaenoid

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

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

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

Flying gurnard and scorpaenoid are semantically related. Sometimes you can replace phrase "Flying gurnard" with "Scorpaenoid", this terms are similar.