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Danio aesculapii

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII CYPRINIFORMES CYPRINIDAE

Scientific Name: Danio aesculapii
Species Authority: Kullander & Fang, 2009
Taxonomic Notes: Danio aesculapii was described from the Kanamae Chaung, a stream draining the western face of the Rakhine Yoma in Myanmar (Kullander and Fang 2009).

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2010
Date Assessed: 2010-05-26
Assessor(s): Ng, H.H.
Reviewer(s): Rema Devi, K.R., Arunachalam, M., Dahanukar, N. & Daniel, B.A.
Contributor(s): Molur, S.
Justification:
Although Danio aesculapii is currently only known from five locations, the poor sampling in western Myanmar means that this species is very likely to be more widespread (especially since the area between the type locality and the Kaladan River delta has been very poorly sampled and this species would be expected to be found there).  Although there is some collection for the ornamental fish trade that may have an impact on populations, the effects are projected to be slight.  Therefore, although the few locations in which it is known suggest that the species is Near Threatened as it does not completely justify the Vulnerable D2 category due to incomplete information.  With more knowledge regarding its distribution, the species must be reassessed to reflect a more accurate assessment.

Geographic Range [top]

Range Description: This species is known only from small streams on the western slope of the Rakhine Yoma, near Thandwe, Kyeintali and Sittwe in Myanmar.  It may be more widespread than what is known, however, the range will not extend beyond 15,000 km2.
Countries:
Native:
Myanmar (Myanmar (mainland))
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: In the type locality and also from small streams nearby their population is high but there is no information known on the population trends for this species.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is found in forested streams in low flow areas of pools with dominant substrates of rock, pebbles and gravel.  In the dry season, they are confined to deep pools.
Systems: Freshwater

Use and Trade [top]

Use and Trade: This species is occasionally harvested as an ornamental fish.

Threats [top]

Major Threat(s): While collection of live fishes for the ornamental fish trade may present a potential threat to the population, its effects are presently unknown because no information on the population and its trends for this species is known, as is the intensity of harvest for the trade (although observations indicate that this species is infrequently collected).   Other threats to this species are unknown, since there is no information on the biology of this species and therefore the impact of potential threats (especially those of an anthropogenic nature) remains unknown. The current threats to aquatic biodiversity in all of its known distribution have also not been adequately identified.

Conservation Actions [top]

Conservation Actions: More research about the distribution and the biology of this species is needed, as there is insufficient information available.  The effects on the population of collecting for the ornamental fish trade also need to be fully ascertained.  Other potential threats to this species also need to be identified.

Citation: Ng, H.H. 2010. Danio aesculapii. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 22 October 2014.
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