Amphiprion chrysogaster

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Amphiprion chrysogaster

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Family: Pomacentridae
Genus: Amphiprion
Species:
A. chrysogaster
Binomial name
Amphiprion chrysogaster
Cuvier, 1830

Amphiprion chrysogaster, the Mauritian anemonefish, is a

endemic to Mauritius and probably Réunion.[2]

Characteristics of Anemonefish

Main article:
Amphiprioninae (anemonefish)

Clownfish or anemonefish are

Amphiprioninae § Symbiosis and mutualism. The sea anemone protects the clownfish from predators, as well as providing food through the scraps left from the anemone's meals and occasional dead anemone tentacles. In return, the clownfish defends the anemone from its predators, and parasites.[3] Clownfish are small-sized, 10–18 centimetres (3.9–7.1 in), and depending on species, they are overall yellow, orange, or a reddish or blackish color, and many show white bars or patches. Within species there may be color variations, most commonly according to distribution, but also based on sex, age and host anemone. 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 fertilization. Clownfish are sequential hermaphrodites, meaning that they develop into males first, and when they mature, they become females.

Description

Adults are very dark brown, nearly black with three white bars. The snout and breast are orange. The

anal fin may be blackish or orange-yellow.[2] They have 10 dorsal spines, 2 anal spines, 16-17 dorsal soft rays and 13-14 anal soft rays.[4] They reach a maximum length of 14 cm (5+1⁄2 in).[2]

Color variations

Fish that are generally blackish except for the three white bars are associated with the host anemone Stichodactyla mertensii, Mertens' carpet sea anemone.[2]

Similar species

The Seychelles anemonefish,

A. tricinctus (Three-band anemonefish) is also distinguished by location, being found only in the Marshall Islands in the Pacific and has a narrower bar across the tail base than A. chrysogaster[2]

Distribution and Habitat

The Mauritian anemonefish is found only in Mauritius and probably Réunion.[2]

Host anemones

The Mauritian anemonefish is hosted by the following species of anemones:[2][n 1]

Notes

  1. ^ Macrodactyla doreensis was recorded [2] as a host of A. chrysogaster, however this was an error.[5]

References

  1. doi:10.2305/IUCN.UK.2022-2.RLTS.T188458A1877905.en
    . Retrieved 9 December 2022.
  2. ^
    ISBN 9780730983651. Archived from the original
    on 14 April 2015.
  3. ^ "Clown Anemonefish". Nat Geo Wild : Animals. National Geographic Society. Archived from the original on January 13, 2010. Retrieved 2011-12-19.
  4. ^ Froese, Rainer; Pauly, Daniel (eds.) (2011). "Amphiprion chrysogaster" in FishBase. January 2011 version.
  5. PMID 17476781
    .

External links

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