Aphyocypris lini | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Cypriniformes |
Family: | Cyprinidae |
Genus: | Aphyocypris |
Species: | A. lini |
Binomial name | |
Aphyocypris lini | |
Synonyms | |
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Aphyocypris lini, the garnet minnow or Venus minnow, is a species of cyprinid endemic to China. [1] It was first collected from Hong Kong by A.W. Herre in 1936. The introduction of mosquitofish (Gambusia affinis) and habitat destruction caused the extirpation of this species from Hong Kong and the species was considered to be extinct in the wild. However, a similar species Aphyocypris pulchrilineata was discovered in Guangxi in southern China, but this species lacks the dark spot on the base of the caudal fin. [2]
Named in honor of Chinese ichthyologist Lin Shu-Yen (1903-1974). [3]
Aphyocypris lini is a small fish which has a yellowish-brown body with a bluish back and a white underside which are separated by a series of parallel stripes with the middle stripe being reddish-yellow, a bluish black stripe above and an iridescent green line below it. There is a large blue spot, edged with gold at the base of the caudal fin while the fins are white. It has pelvic scutes which run from the base of the pelvic fin to the anus. There is no lateral line but there are 30–32 scales along lateral axis. Adults grow to 50 mm total length. [4] It has three spines and seven soft rays in the dorsal fin with three spines and eight soft rayes in the anal fin. [5]
This species is endemic to southern China and it was first recorded in Fanling in the New Territories of Hong Kong in 1939, and was found in the Tai Mo Shan area in 1992, but since then there have been no records in the wild. [4]
Aphyocypris lini is a benthopelagic fish species which lives ditches and rivers where there is clear, shallow water with dense aquatic vegetation. Spawning occurs in open water with sandy and gravel substrates. [4]
The decline In the wild populations of Aphyocypris lini is thought to be due to habitat destruction by human development such as the construction of hydroelectric projects, water pollution and deforestation. They were possibly also affected by competition from introduced fish species such as the mosquitofish. The only currently known population of the garnet minnow are in captive breeding facilities in Hong Kong, Macau and some other southeastern Asia countries where they are bred for export in the aquarium trade. It is possible that the species could be reintroduced to the wild using captive bred fish after habitat restoration and the removal of invasive alien competitors. [4]
Cyprinidae is a family of freshwater fish commonly called the carp or minnow family, including the carps, the true minnows, and their relatives the barbs and barbels, among others. Cyprinidae is the largest and most diverse fish family, and the largest vertebrate animal family overall, with about 3,000 species; only 1,270 of these remain extant, divided into about 370 genera. Cyprinids range from about 12 mm in size to the 3 m (9.8 ft) giant barb. By genus and species count, the family makes up more than two-thirds of the ostariophysian order Cypriniformes. The family name is derived from the Greek word kyprînos.
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Puntius kelumi is a species of cyprinid fish in the genus Puntius. It is found in Sri Lanka.
Oreonectes retrodorsalis is a species of stone loach. This cavefish is found only in Guangxi in China. Some authorities places this species in the genus Yunnanilus rather than Oreonectes. The specific name is a compound of the Latin words retro meaning back or past and dorsalis meaning "the back", referring to the placement of the dorsal fin closer to base of the caudal fin than to the tip of snout.
Enteromius baudoni is a species of tropical cyprinid freshwater fish from Central and Western Africa. It is found in western Africa, in the river basins of the Chad Basin, the Volta basin, the Niger River basin, the Gambia River basin, the Senegal River basin, the Sassandra River basin, and the Bandama River basin. In central Africa, it is found in the Ubangui River ecosystem. It typically inhabits tropical freshwater ecosystems between 24 and 26 °C. It was originally described by Belgian-British zoologist George Albert Boulenger as Barbus baudoni in 1918, and the holotype, collected from Bangui, Central African Republic, is stored at the Muséum national d’Histoire naturelle in Paris. The species was originally classified in the Barbus genus, but was reclassified as belonging to the Enteromius genus in 2015 after examining extensive taxon, geographical, and genomic sampling of the species in the family Cyprinidae.
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Nannostomus anduzei is a freshwater species of fish belonging to the genus Nannostomus in the characin family Lebiasinidae. It is native to Venezuela and northern Brazil, particularly the upper Orinoco and Rio Ererê, a tributary of the Rio Negro. The adults grow to a maximum length of only 16 mm, making them one of the smallest pencilfish. Other common names include miniature pencilfish, miniature nannostomus, and Anduzi's nannostomus.
Aphyocypris moltrechti, Moltrecht's minnow, is a species of cyprinid fish endemic to Taiwan. It was formerly considered to be the only species in the genus Pararasbora. The Endemic Species Research Institute under the Council of Agriculture of the Executive Yuan in Taiwan has enlisted Aphyocypris moltrechti as “precious and rare species” among other endemic freshwater species.
Osteochilus waandersii is a cyprinid freshwater fish from Southeast Asia. It is found in Indochina as well as in Sumatra and Borneo. Its common name is Waanders's hard-lipped barb.
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Aphyocypris kikuchii is a species of cyprinid fish. It is endemic to Taiwan. It is a benthopelagic freshwater fish that grows to 8 cm (3.1 in) total length.