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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 ...
Parrotfish are named for their dentition, [5] which is distinct from other fish, including other labrids.Their numerous teeth are arranged in a tightly packed mosaic on the external surface of their jaw bones, forming a parrot-like beak with which they rasp algae from coral and other rocky substrates [6] (which contributes to the process of bioerosion).
In a 2019 study, cleaner wrasses passed the mirror test, the first fish to do so. [21] However, the test's inventor, American psychologist Gordon G. Gallup, has said that the fish were most likely trying to scrape off a perceived parasite on another fish and that they did not demonstrate self-recognition. The authors of the study retorted that ...
In September 2016, the International Union for Conservation of Nature (IUCN) listed 1245 vulnerable fish species. [1] Of all evaluated fish species, 8.1% are listed as vulnerable. The IUCN also lists eight fish subspecies as vulnerable. Of the subpopulations of fishes evaluated by the IUCN, 18 species subpopulations have been assessed as ...
A humphead wrasse at the water's surface on the Great Barrier Reef. The humphead wrasse is listed as endangered on the IUCN Red list and in Appendix II of CITES. [11] Its numbers have declined due to multiple threats, including: Intensive, species-specific removal by the live reef food-fish trade throughout its core range in Southeast Asia
Heniochus varius, the horned bannerfish or humphead bannerfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae, native from the central Indo-Pacific area.
The following is a list of species (or subspecies) in the Mariana Islands, defined by the International Union for Conservation of Nature (IUCN) Red List or by the U.S. Fish & Wildlife Service (USFWS), as being extinct, critically endangered, endangered, threatened, vulnerable, conservation dependent, or near threatened.
The winner is decided by weighing the catches of fish caught in a given time; catches must weigh at least 1 kilogram or 2.2 pounds to be counted. [5] Fishing for sea turtles, the ray-finned fishes humphead wrasse, green humphead parrotfish, balloonfish, porcupinefish and cartilinginous fish such as sharks and rays is prohibited. [5]