Anglerfish and Acanthopterygian

Anglerfish noun - Fishes having large mouths with a wormlike filament attached for luring prey.

Acanthopterygian and anglerfish are semantically related. In some cases you can use "Acanthopterygian" instead a noun "Anglerfish".

Acanthopterygian noun - A teleost fish with fins that are supported by sharp inflexible rays.

Anglerfish and acanthopterygian are semantically related. Sometimes you can replace term "Anglerfish" with "Acanthopterygian", this nouns are similar.