| Citation |
Huckstorf, V. & Freyhof, J. 2011. Acheilognathus tonkinensis. The IUCN Red List of Threatened Species 2011: e.T166179A6187566. https://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T166179A6187566.en. Downloaded on 06 October 2020. |
Description |
JUSTIFICATION
The species has a wide range in southern China and northern Viet Nam and is likely to be impacted across parts of its range by overfishing, pollution, and dams. It is assessed as Data Deficient due to the taxonomic uncertainty over its status as, as its range, as it is currently understood, it may represent a number of separate species (Kottelat 2001).
RANGE DESCRIPTION
The species has a southeastern Asian distribution. It is known from the Red River basin in northern Viet Nam and southern China (Chen and Chu 1990; Kottelat 2001), the Ca River basin in Viet Nam and Lao P.D.R. (Kottelat 2001) and the Pearl River (Zhujiang), Minjiang River, Qujiang River, Yangtze River (Changjiang), Huaihe River and Huanghe River basin in southeastern China and the Hainan island (Chen et al. 1998).
DESCRIPTION
There is no information available on the species population.
HABITAT AND ECOLOGY
Known from freshwater rivers.
As with all species of the subfamily Acheilognathinae (Cyprinidae), Acheilognathus meridianus use freshwater mussels for oviposition. The female deposits her eggs inside freshwater mussel. The male sheds his sperm into the inhalent current of the respiring mussel and thereby fertilizes the eggs. The young hatch and remain protected within the mussel, leaving the mussel as actively swimming larvae.
THREATS
Likely to be impacted locally in parts of its range by pollution and overfishing.
USE AND TRADE
Likely to be found in local fisheries.
CONSERVATION ACTIONS
Research into population trends and threats to the species and its habitats is needed. |
