Anthias anthias

Anthias anthias is a small, pink-orange marine fish in the grouper family, found in the Mediterranean and eastern Atlantic. It forms schools around rocky reefs and underwater cliffs.

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Serranidae: Serranidae is a family of marine fishes that includes groupers, sea basses, and anthias. Anthias anthias belongs to this diverse family of reef-associated fishes.
Schooling (fish): Schooling is coordinated group movement by fish, often with individuals maintaining alignment and spacing. Anthias anthias gathers in conspicuous schools above reef structure.
Scuba diving: Scuba diving is underwater diving using a self-contained breathing apparatus. Schools of pink anthias are a familiar sight on Mediterranean reef dives.
Pseudanthias squamipinnis: Pseudanthias squamipinnis is a colorful Indo-Pacific reef fish commonly called the lyretail anthias. It shares the anthias name and vivid coloration but belongs to a different genus and region.
Anthias: Anthias is a genus of colorful marine fishes in the family Serranidae. This species is the namesake member of the genus Anthias.
Protogyny: Protogyny is a reproductive pattern in which an individual functions first as female and later as male. Sex change occurs in the social organization of this species.
Marine aquarium: A marine aquarium is a contained system for keeping saltwater organisms under managed conditions. Its vivid coloration makes the species relevant to discussions of marine fish husbandry.
Anthias anthias (North American rockfish): The name Anthias anthias has also been applied historically to a North American rockfish, now classified as Sebastes. This older usage can confuse the Mediterranean species with an unrelated fish.
Percomorpha: Percomorpha is a large clade of ray-finned fishes that includes most familiar modern bony fishes. Its broad evolutionary placement lies within this major fish clade.
Plankton: Plankton are organisms that drift in water and cannot swim effectively against currents. Small drifting animals form much of the food available to these reef fish.