Clupeonella abrau

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	CLUPEIFORMES	CLUPEIDAE

Scientific Name:	Clupeonella abrau
Species Authority:	(Malyatskii, 1930)
Infra-specific Taxa Assessed:	See Clupeonella abrau ssp. muhlisi
Taxonomic Notes:	C. muhlisi from Lake Apolyond (in Sea of Marmara basin in Turkey) usually considered as a synonym of C. abrau is a valid species.

Assessment Information [top]

Red List Category & Criteria:	Critically Endangered   B1ab(ii,iii,v)+2ab(ii,iii,v)   ver 3.1
Year Published:	2008
Assessor/s:	Freyhof, J. & Kottelat, M.
Reviewer/s:	Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)
Justification: The species has a very small range as it is restricted to Lake Abrau (<10 km²), which is now the core of Lake Abrau Nature Reserve. However, there are 18 introduced species (N. Bogutskaya pers. comm.) and water abstraction is reducing the level of the lake, in a survey in 2006 only very few individuals were recorded.
History:	1996 – Data Deficient (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description:	Lake Abrau, near Novorossiisk (northern Caucasus, Russia).
Countries:	Native: Russian Federation
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	The species was abundant in 1996 (Chikhachev, 1997), in a recent survey (2006) very few individuals were recorded (J. Freyhof, J. pers comm.).
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	Habitat: Lake Abrau is a warm and turbid hill lake, 2.6 × 0.6 km, 1.6 km², maximum depth 10 m, 84 m above sea level. Biology: Pelagic. Lives up to two years. Spawns in open water, in late evening, in May-September. Eggs are pelagic. Feeds on crustaceans (copepods, mysids), following their daily vertical movements, swimming in surface layers at night and descending during daylight hours.
Systems:	Freshwater

Threats [top]

Major Threat(s):

There are 18 species introduced species in the lake, there are only 5 native species. Water abstraction has also reduced the level of the lake.

Conservation Actions [top]

Conservation Actions:

The species is within the Lake Abrau Nature Reserve.

Bibliography [top]

IUCN. 2008. 2008 IUCN Red List of Threatened Species. Available at: http://www.iucnredlist.org. (Accessed: 5 October 2008). Kottelat, M. and Freyhof, J. 2007. Handbook of European Freshwater Fishes. Publications Kottelat, Cornol, Switzerland. Mogilchenko. 1991. in: Hoestlandt, H. (ed.). The freshwater fishes of Europe. Clupeidae, Anguillidae. Aula, Wiesbaden.