Psilorhynchus microphthalmus

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Psilorhynchus microphthalmus
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Psilorhynchidae
Genus: Psilorhynchus
Species:
P. microphthalmus
Binomial name
Psilorhynchus microphthalmus

Psilorhynchus microphthalmus is a freshwater ray-finned fish, a torrent minnow. It is restricted to the Chapki Stream in the Chindwin basin of Manipur, India. It is found in flowing water with a rock substrate. This species is threatened from the effects of the use of poisons and explosives for fishing and the sedimentation of its habitat caused by deforestation and slash and burn agriculture. [1]

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<i>Psilorhynchus</i> Genus of fishes

Psilorhynchus is a genus of fish in the family Psilorhynchidae native to South Asia. This genus is the only member of its family. The members of Psilorhynchus are small benthic fishes which occur in rivers and streams with fast to swift currents, hence they are often referred to a torrent minnows. They are distributed in southern Asia, in the Indo-Burma region and the Western Ghats. The genus is the sister group to the family Cyprinidae, and with that family the Psilorhynchidae makes up the superfamily Cyprinoidea, with all the other cypriniform families in the superfamily Cobitoidea.

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Psilorhynchus amplicephalus is a freshwater ray-finned fish, from the Balishwar river in Assam, India. It can be found in rivers with a stronger current and sandy substrate, it prefers a sandy substrate with the horizontally placed pectoral fin suited to allow the fish to resist the current.

Psilorhynchus breviminor is a freshwater ray-finned fish, a torrent minnow, in the genus Psilorhynchus. It is only known from the Ma Gawe River, close to the Kalaw-Thazi highway, near the state border between Mandalay and Shan near the village of Nampantet in Myanmar. It was collected from algal mats, where it seemed to be either resting or feedingin a cool, fast-flowing stream which had a bed made up of sand and gravel and a depth of 30 cm.

Psilorhynchus homaloptera or torrent stone carp is a fish found in genus Psilorhynchus. It is found in India, Burma, China and Nepal.

Psilorhynchus pseudecheneis, also known as the Nepalese minnow or stone carp, is a species of freshwater ray-finned fish, a torrent minnow. it inhabits torrential streams and it is adapted to such a habitat by possessing am increased count of simple rays in the pectoral fins and in having transverse folds in the skin on its underside which allow it to cling to rocks in the swift current. It is found in eastern Nepal and has recently been recorded from India, it is a migratory species. The specific name pseudecheneis is a compound of the Greek pseudo meaning "false" and echeneis which means a "sucker fish", probably a reference to the fact that the torrent minnows use their pectoral fin rays to adhere to the substrate rather than having a suckermouth.

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Psilorhynchus sucatio, the river stone carp or sucatio minnow, is freshwater ray-finned fish a species of torrent minnow. The specific name is a latinization of one of the local names for this species, sukati. It is a widely distributed species and is found in Nepal and Bangladesh as well as the Indian states of Arunachal Pradesh, Assam, Bihar, Manipur, Meghalaya, Nagaland, Uttar Pradesh and West Bengal. P. sucatio occurs in water with a fast current preferring the edges of sandy streams. In the lowlands it is abundant near emergent or overhanging vegetation, it is an altitudinal migrant. At a maximum length of 5 cm it is too small to be of any interest to fisheries but it is collected for the aquarium trade. It is the type species of the genus Psilorhynchus.

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Psilorhynchus rahmani is a freshwater ray-finned fish a torrent minnow which is found in a small, well oxygenated hill stream near Chittagong University in Hathazari Upazila in the Chittagong Division of Bangladesh. The specific name honours A. K. Ataur Rahman of the Department of Fisheries in Dhaka, for his contribution to the ichthyology of Bangladesh.

Psilorhynchus tenura is a critically endangered fish found in genus Psilorhynchus. It is endemic to the Western Ghats of Karnataka, India, where it is restricted to two locations on the Tunga River near Sringeri and also at Korkanhalla inside Kudremukh National Park in Karnataka. It is found in streams and rivers with beds made up of sand, pebbles and gravel.

Psilorhynchus arunachalensis is a species of torrent minnow. It is a freshwater benthopelagic fish and which is found in Arunachal Pradesh.

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Hemibagrus microphthalmus is a species of catfish found in the Irrawaddy, Sittang and Salween rivers of India, Myanmar and Thailand.

References

  1. 1 2 Singh, L.K. (2010). "Psilorhynchus microphthalmus". IUCN Red List of Threatened Species . 2010: e.T168557A6514184. doi: 10.2305/IUCN.UK.2010-4.RLTS.T168557A6514184.en . Retrieved 18 November 2021.
  2. Froese, Rainer; Pauly, Daniel (eds.) (2017). "Psilorhynchus microphthalmus" in FishBase. October 2017 version.