Overview

Distribution

Range Description

The species has an East Asian distribution. It is known from the Russian Federation (Bogutskaya and Naseka 2002), the Korea Republic (Kim et al. 2005), China (Ye 1991) and Viet Nam (Kottelat 2001). Introduced in Japan (Hagiwara 2002). Known from the coastal drainages between Hainan and Viet Nam.

In China, it is recorded from the drainages of Dong Jiang and Bei Jiang in Guangdong Province and drainages in Hainan Island and their river mouths; Heilongjiang to Red River basin; Guangdong (Lianzhou, Yangshan); Jiangxi Fanyang Lake; Shanghai City; Jiangsu Tai Lake; Anhui Linghuaiguan; Hubei (Dong Lake, Liangzi Lake, Hong Lake, Shashi); Hunan (Dongting Lake); Shanxi Zhouzhi, and Heilongjiang Songhuajiang.
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Asia: China and northern Viet Nam.
  • Kottelat, M. 2001 Freshwater fishes of northern Vietnam. A preliminary check-list of the fishes known or expected to occur in northern Vietnam with comments on systematics and nomenclature. Environment and Social Development Unit, East Asia and Pacific Region. The World Bank. 123 p. (Ref. 44416)   http://www.fishbase.org/references/FBRefSummary.php?id=44416&speccode=275 External link.
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China and Japan.
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China and Japan.
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Physical Description

Size

Max. size

27.5 cm SL (male/unsexed; (Ref. 35840))
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Ecology

Habitat

Amur River Benthopelagic Habitat

This taxon is one of a number of benthopelagic species in the Amur River system. Benthopelagic river fish are found near the bottom of the water column, feeding on benthos and zooplankton

The persistence of mercury contamination in Amur River bottom sediments is a major issue, arising from historic cinnabar mining in the basin and poor waste management practises, especially in the communist Soviet era, where industrial development was placed ahead of sound conservation practises.

Other large benthopelagic river fish of the Amur Basin is the 200 cm yellowcheek (Elopichthys bambusa) and the 122 cm Mongolian redfin (Chanodichthys mongolicus)

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Yangtze River Benthopelagic Habitat

This taxon is one of a number of benthopelagic species in the Yangtze River system. Benthopelagic fish inhabit the water column niche immediately above the bottom, feeding on benthos and zooplankton.

The upper Yangtze basin consists chiefly of Paleozoic limestone and terrigenous sedimentary rock, with some granitic material. The most downstream element of the upper Yangtze basin is often termed the Sichuan Basin; here the Yangtze cuts through Triassic and Permian material before entering the Three Gorges. The Three Gorges area is a stretch of the Yangtze that runs approximately 660 kilometers, terminating at the site of the Three Gorges Dam. Prior to construction of the dam, the Three Gorges area was a site of exceptional natural beauty; after dam construction the gorge areas were filled with approximately 100 meters in depth of Yangtze water, and considerable amounts of the watershed were graded.

The lower Yangtze basin consists of anabranching river structures and Pleistocene coastal terraces. Prior to development of the Three Gorges Dam, the Yangtze Delta was replenished with a copious sediment load reaching the river mouth; however, the dam has now severely limited the natural flow and deposition of sediment to the delta region. Consequently, the integrity of the delta is been compromised, with scouring exceeding deposition, and the very stability of the delta is endangered.

Lower and middle basins of the Yangtze carry heavy pollutant loads. In the lower Yangtze basin nitrate levels are high, measuring at about 1000 tons per day at Datong; these levels accrue from high applications of chemical fertilizer applied and also considerable loadings of untreated sewage due to the large human population of the basin, with correspondingly little infrastructure for sewage treatment.

Heavy metal concentrations are also high in the lower Yangtze, with measurements of dissolved lead at 0.078 microgram/liter; cadmium (0.024 microgram/liter), chromium (0.57 microgram/liter), copper (1.9 microgram/liter), and nickel (0.50 microgram/liter). Levels of dissolved arsenic have been measured at 3.3 microgram/liter) and zinc at 1.5 microgram/liter), both notably higher by factors of 5.5 and 2.5 respectively than other typical large world rivers. In Yangtze River suspended sediment, arsenic comprises 31 microgram/gram, lead comprises 83 microgram/gram, and nickel comprises 52 micrograms/gram of sediment content

A number of other benthopelagic associates are found in the Yangtze, including: Anabarilius polylepis, Bangana rendahli, Pseudogyrinocheilus prochilus, Sinocyclocheilus grahami and Siniperca roulei. The demersal fish Silurus meridionalis also is found as a Yangtze River endemic species.

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Habitat and Ecology

Habitat and Ecology
A river and lake species, found in freshwater.

Systems
  • Freshwater
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Environment

benthopelagic; freshwater; brackish
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Life History and Behavior

Life Cycle

Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Acheilognathus macropterus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Acheilognathus macropterus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2011

Assessor/s
Huckstorf, V. & Freyhof, J.

Reviewer/s
Kullander, S.O., Ng, H.H., Rainboth, W. & Allen, D.

Contributor/s

Justification
The species is assessed as Data Deficient as the species requires taxonomic research as the species range as currently known is considered likely to represent a number of different species. In addition, there are likely to be significant threats in parts of its range, but the specific impacts of these threats, especially in relation to the species reproductive host bivalve is not known. Ongoing monitoring of population and habitat trends is also required.
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Population

Population
There is no information available on the species population.

Population Trend
Unknown
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Threats

Major Threats
The species is likely to be impacted by fisheries, and by pollution and dams in parts of its range. The species is reliant upon mussel hosts for its reproduction, and these are often more likely to be impacted by pollution. The specific host for the species is not known. There is general habitat loss and degradation, especially from high sediment loads from agriculture and deforestation, which impacts the bivalve host.
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Data deficient (DD)
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Management

Conservation Actions

Conservation Actions
There are no conservation measures in place. Monitoring of the species population trends and threats should be undertaken.
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Wikipedia

Acheilognathus macropterus

Acheilognathus macropterus is a species of cyprinid fish native to China and northern Vietnam. It grows to a length of 27.5 centimetres (10.8 in) SL.[2]

References [edit]

  1. ^ Huckstorf, V. & Freyhof, J. 2011. Acheilognathus macropterus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 3 May 2013.
  2. ^ Froese, Rainer and Pauly, Daniel, eds. (2013). "Acheilognathus macropterus" in FishBase. February 2013 version.
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Acanthorhodeus macropterus

Acanthorhodeus macropterus is a species of ray-finned fish in the genus Acanthorhodeus.

References

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