Algae (/ˈældʒi, ˈælɡi/; singular alga /ˈælɡə/) is an informal term for a large, diverse group of photosynthetic eukaryotic organisms that are not necessarily...
Brown Surgeonfis, Acanthurus nigrofuscus, also known as the blackspot surgeonfish, brown tang, dusky surgeon, lavender tang or spot-cheeked surgeonfish, is a...