Clownfish or anemonefish are fishes from the subfamily Amphiprioninae in the family Pomacentridae. Thirty species 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 species, anemonefish are overall
yellow, orange, or a reddish or blackish color, and many show white bars or
patches. The largest can reach a length of 18 centimetres (7.1 in), while
the smallest barely achieve 10 centimetres (3.9 in). Anemonefish are
native to warmer waters of the Indian and Pacific oceans, including the Great
Barrier Reef and the Red Sea. While most species have restricted distributions, others are widespread.
Anemonefish live at the bottom of shallow seas in sheltered reefs or in shallow lagoons. There are no anemonefish in the Atlantic.
Anemonefish and sea anemones have a symbiotic, mutualistic relationship, each providing a number of benefits to
the other. The individual species are generally highly host specific, and especially the genera Heteractis and Stichodactyla, and the species Entacmaea
quadricolor are
frequent anemonefish partners. The sea anemone protects the anemonefish from
predators, as well as providing food through the scraps left from the anemone's
meals and occasional dead anemone tentacles. In return, the anemonefish defends
the anemone from its predators, and parasites. The anemone also picks up nutrients from the
anemonefish's excrement, and functions as a safe nest site. The nitrogen excreted from anemonefish increases the
amount of algae incorporated into the tissue of their hosts, which aids the
anemone in tissue growth and regeneration.
Picture Source: Collected from Internet
Great post.
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