4 words in this vocabulary list
noun a community of living organisms that live in close association with coral reefs
noun a type of fish in the family Pomacentridae, commonly known as sergeants or humbug fish
noun Acanthellae is a plural noun referring to small, spine-like structures found on certain marine organisms.
noun a taxonomic group that includes sea anemones and corals, characterized by having stinging cells called nematocysts