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iNat·57742GenusActinopterygii33,768 field observations
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Anemonefishes
Plate 1 of 10. (c) Tony Strazzari, some rights reserved (CC BY-NC), uploaded by Tony Strazzari · via iNaturalist

Anemonefishes

Amphiprion

Clownfish or anemonefishes (genus Amphiprion) are saltwater fish found in the warm and tropical waters of the Pacific Ocean. They mainly inhabit coral reefs and have a distinctive colouration typically consisting of white vertical bars on a red, orange, yellow, brown or black background. Clownfish developed a symbiotic and mutually beneficial relationship with sea anemones, on which they rely for shelter and protection from predators. In turn, clownfish protect the anemone from anemone-eating fish, as well as clean and fan them, and attract beneficial microorganisms with their waste.

Clownfish are omnivorous and mostly feed on plankton. They live in groups consisting of a breeding female and male, along with some non-breeding individuals. Clownfish have a size-based dominance hierarchy with the breeding female ranking at the top, followed by the breeding male and then the largest non-breeder and so on. When the female disappears, the breeding male changes sex and takes her place while the others move up the hierarchy. During reproduction, the female deposits eggs on a rock near their anemone, and the male fertilises them. After hatching, clownfish disperse into the open ocean as larvae, eventually settling on the bottom and searching for an anemone host as juveniles.

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30 branches of this genus, most-observed first · about 32 known species

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 57742.