Overview

Comprehensive Description

Biology

Occur near the surface of ponds, canals and streams. Often found in turbid waters. Probably feed mostly on exogenous insects and also on some algae. Spawning sites are found in rivers and ponds (Ref. 33813). Mature adults probably breed during the rainy season. Occasionally sold fresh. Probably used to make prahoc (Ref. 12693).
  • Rainboth, W.J. 1996 Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p. (Ref. 12693)
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Distribution

Range Description

The species is found in the Chao Phraya and Mae Klong rivers in Thailand, and the lower Mekong basin in southeast Asia. The species has also been recorded from the Dong Nai drainage in Viet Nam (Freyhof et al. 2000; Thu Doc, Sai Gon River; Ma Da River near Rang Rang Village; Dong Nai River at Cat Tien Nature Reserve, Dong Nai Province).

In the Mekong, the species is recorded from Lao PDR (Baird et al. 1999, Kottelat 2000), Cambodia (Rainboth 1996, Thuok and Sina 1997, Cambodian National Mekong Committee 1998, Lim et al. 1999), including the Tonle Sap Lake (Lamberts and Sarath 1997, Motomura 2002), Thailand (Vidthayanon et al. 1997, Monkolprasit et al. 1997), and Mekong delta in Viet Nam (Khoa and Huong 1993).
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Asia: Chao Phraya and Mekong basins (Ref. 12693). Reported from Maeklong River (Ref. 26336).
  • Rainboth, W.J. 1996 Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p. (Ref. 12693)
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Asia.
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Physical Description

Size

Maximum size: 150 mm ---
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Max. size

15.0 cm SL (male/unsexed; (Ref. 30857))
  • Baird, I.G., V. Inthaphaisy, P. Kisouvannalath, B. Phylavanh and B. Mounsouphom 1999 The fishes of southern Lao. Lao Community Fisheries and Dolphin Protection Project. Ministry of Agriculture and Forestry, Lao PDR.161 p. (Ref. 30857)
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Diagnostic Description

Depth 3.1-4.2 times in SL; lateral line complete; pale in color with distinctive neon green stripe running above dark mid-lateral streak when alive (Ref. 12693). Dorsal fin origin closer to caudal fin base than eye; caudal fin bright yellow in life, with black posterior margin (Ref. 43281).
  • Rainboth, W.J. 1996 Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p. (Ref. 12693)
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Type Information

Type for Rasbora retrodorsalis
Catalog Number: USNM 119520
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Collector(s): H. Smith
Year Collected: 1927
Locality: Siam: Bangkok, From Pond Connected With Menam Chao Phya, Thailand, Asia
  • Type:
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Type for Rasbora retrodorsalis
Catalog Number: USNM 108120
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): H. Smith
Year Collected: 1923
Locality: Siam, C: Bung Borapet, Thailand, Asia
  • Type:
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Paratype for Rasbora retrodorsalis
Catalog Number: USNM 108119
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): H. Smith
Year Collected: 1934
Locality: Siam: C: Menam Chao Phya, Thailand, Asia
  • Paratype:
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Paratype for Rasbora retrodorsalis
Catalog Number: USNM 103279
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): H. Smith
Year Collected: 1924
Locality: Pond In Bangkok, C. Siam, Thailand, Asia
  • Paratype:
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Paratype for Rasbora retrodorsalis
Catalog Number: USNM 118444
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1937
Locality: Siam N. Chiengmai, Thailand, Asia
  • Paratype:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
The species occurs near the surface of ponds, canals and streams. It is often found in turbid waters, and migrates from rivers into flooded forests and swamps. It is found near the surface of ponds, canals and streams (Rainboth 1996).

Systems
  • Freshwater
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Environment

benthopelagic; freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Allen, D.

Reviewer/s
Kottelat, M. & Smith, K.

Contributor/s
Tan, H.H., Jenkins, A., Kullander, S.O. & Fisher, J.

Justification
The species is assessed as Least Concern due to its relatively wide distribution, ability to occupy a number of habitats, and the lack of any known major widespread threats.

History
  • 2009
    Least Concern
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Population

Population
The species has a wide distribution although the trend is unknown.

Population Trend
Unknown
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Threats

Major Threats
The threats to this species and its habitat are unknown at present.
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Least Concern (LC)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
There are no conservation measures currently known to be in action at habitat or species level.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
  • Rainboth, W.J. 1996 Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p. (Ref. 12693)
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Wikipedia

Pale rasbora

Pale rasbora or Rasbora aurotaenia is a species of ray-finned fish in the genus Rasbora. It is known from the Chao Phraya and Mekong basins as well as from the Maeklong River in Southeast Asia. It can grow to 15 cm (5.9 in) SL.[1]

References[edit]

  1. ^ a b Froese, Rainer and Pauly, Daniel, eds. (2013). "Rasbora aurotaenia" in FishBase. April 2013 version.
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