A scorpaenid is a type of fish that usually lives in the ocean and has venomous spines.
Scorpaenids are often thought of as dangerous because of their venomous spines.
Examples:
The scorpaenid fish has sharp spines.
I saw a scorpaenid at the aquarium.
The scorpaenid is a dangerous fish.
The scorpaenid is not a good pet.
The scorpaenid's spines are very dangerous.
I caught a scorpaenid while fishing in the ocean.