spiny finned
/ˈspaɪniˌfɪnd/
adjective
- Having fins supported by stiff, sharp spines rather than soft rays.
- Spiny-finned fish like perch and bass are common in freshwater lakes.
- The spiny-finned lionfish uses its venomous spines for defense.
- Many spiny-finned species are popular among aquarium enthusiasts for their striking appearance.