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Clownfish or anemonefish are fishes from the subfamily Amphiprioninae in the family Pomacentridae. Thirty species of clownfish are recognized: one in the genus Premnas, while the remaining are in the genus Amphiprion. In the wild, they all form symbiotic mutualisms with sea anemones. Depending on the species, anemonefish are overall yellow ...
The species Amphiprion ocellaris belongs to the class Actinopterygii which contains bony Teleost fish and other ray-finned fish. A. ocellaris is the most basal species in the genus Amphiprion which is closely related to the genus Premnas. The species' most closely related ancestor is Amphiprion percula, the orange clownfish.
This is known as the ocellaris clownfish and sometimes referred to as the "false percula clownfish" or "common clownfish" due to its similar color and pattern. The "easiest" way to distinguish the two species is the fact that A. percula has 10 spines in the first dorsal fin (rarely having 9) and A. ocellaris has 11 (rarely 10), which is a more ...
Amphiprion percula (Lacepède, 1802) (Orange clownfish) Amphiprion perideraion Bleeker, 1855 (Pink anemonefish) Amphiprion polymnus (Linnaeus, 1758) (Saddleback clownfish) Amphiprion rubrocinctus Richardson, 1842 (Red Anemonefish) Amphiprion sandaracinos Allen, 1972 (Yellow clownfish) Amphiprion sebae Bleeker, 1853 (Sebae anemonefish)
The remaining species are found in the Atlantic or eastern Pacific. [citation needed] Some species are native to freshwater or brackish estuarine environments. [3] [8] Most members of the family live in shallow water, from 2 to 15 m (6 ft 7 in to 49 ft 3 in) in depth, although some species (e.g., Chromis abyssus) are found below 100 m (330 ft). [9]
Clownfish are found in warmer waters of the Indian and Pacific oceans and the Red Sea in sheltered reefs or in shallow lagoons. In a group of clownfish, there is a strict dominance hierarchy. The largest and most aggressive fish is female and is found at the top. Only two clownfish, a male and a female, in a group reproduce through external ...
The significant color variations for fish in this species are related to sex and geographic location. Male and juvenile fish are bright red-orange which darkens on the fish changing to female, ranging from maroon to dark brown. The body bars of the female are narrower and the body bars reportedly all but disappear in older females. [6]
Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]