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The green humphead parrotfish (Bolbometopon muricatum) is the largest species of parrotfish, growing to lengths of 1.5 m (4.9 ft) and weighing up to 75 kg (165 lb) [citation needed]. It is found on reefs in the Indian and Pacific Oceans , from the Red Sea in the west to Samoa in the east, and from the Yaeyama Islands in the north to the Great ...
[6] [15] [16] None of these are exclusive corallivores, but polyps can make up as much as half their diet [16] or even more in the green humphead parrotfish. [14] Overall it has been estimated that fewer than one percent of parrotfish bites involve live corals and all except the green humphead parrotfish prefer algae-covered surfaces over live ...
The humphead wrasse (Cheilinus undulatus) of the Indo-Pacific's coral reefs is by far the largest wrasse, and it can reach a maximum size of 191 kg (421 lb) and 2.3 m (7.5 ft). [123] Among a fairly small-bodied family, the damselfishes , the Garibaldi ( Hypsypops rubicundus ) of the Pacific coast of America is the biggest, reaching up to 35.5 ...
Vulnerable (VU) species are considered to be facing a high risk of extinction in the wild. In September 2016, the International Union for Conservation of Nature (IUCN) listed 1245 vulnerable fish species. [1]
Cetoscarus bicolor, also known as the bicolour parrotfish or bumphead parrotfish, is a species of fish belonging to the family Scaridae. It is found only in the Red Sea . Being from the Scaridae family of huge, vividly colored fish, which is well known as a main contributor of marine ecosystems, especially coral reefs by maintaining them.
Male (top) and female humphead parrotfish, showing sexual dimorphism. Sexual dimorphism exists in some species. Individuals of one sex, usually males develop secondary sexual characteristics that increase their chances of reproductive success. In dolphinfish, males have larger and blunter heads than females.
Chlorurus gibbus is a large species of parrotfish which can attain a total length of 70 centimetres (28 in) and a weight of 2.2 kilograms (4.9 lb). [3] The solitary juveniles are marked with longitudinal black and white stripes, the adults are blue in colour with a green and purple sheen in the males and a yellow sheen in the females.
[21] [22] [23] In a 2024 study, "mirror-naive" bluestreak cleaner wrasse were reported to initially show aggression to wrasse photographs sized 10% larger or 10% smaller than themselves, regardless of size. However, upon viewing their reflections in a mirror, they avoided confronting photographs 10% larger than they were.