Neogobius kessleri

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	PERCIFORMES	GOBIIDAE

Scientific Name:

Neogobius kessleri

Species Authority:

(Günther, 1861)

Common Name/s:

English

–

Kessler's Goby

Taxonomic Notes:

N. gorlap from Caspian Sea, often treated as a subspecies of N. kessleri, is a distinct species.

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Assessed:

2008

Assessor/s

Freyhof, J. & Kottelat, M.

Evaluator/s:

Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)

Justification:
A widespread species with no known major widespread threats.

History:

1996

–

Data Deficient

Geographic Range [top]

Range Description:	Black Sea basin: Danube, Dniestr, South Bug and Dniepr drainages. Since late 1990s, range regularly expanding upstream in Danube drainage, in 1999 recorded for first time in Germany (2,400 km from sea) and in 2005 in upper reaches of Rhine drainage close to canal connecting it with Danube. In Dniepr up to Kiev. Absent in Azov Sea basin.
Countries:	Native: Bulgaria; Moldova; Romania; Ukraine
Range Map:	(click map to view full version)

Population [top]

Population:	Very abundant and expanding range.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Habitat: Mostly in freshwater and brackish water with very low salinity (less than 2 ‰). Estuaries, brackish- and fresh-water lagoons and lakes, large rivers, harbours, on rock bottom. Mostly found on well vegetated or rock bottom in still waters as well as in rapids. Biology: Spawns for the first time at two years. Spawns in March-May. Adhesive eggs deposited on stones, shells and aquatic plants. Males guard eggs until hatching. Feeds on a wide variety of invertebrates. Larger individuals take mostly small fish.
Systems:	Freshwater

Habitat and Ecology:

Habitat:
Mostly in freshwater and brackish water with very low salinity (less than 2 ‰). Estuaries, brackish- and fresh-water lagoons and lakes, large rivers, harbours, on rock bottom. Mostly found on well vegetated or rock bottom in still waters as well as in rapids.

Biology:
Spawns for the first time at two years. Spawns in March-May. Adhesive eggs deposited on stones, shells and aquatic plants. Males guard eggs until hatching. Feeds on a wide variety of invertebrates. Larger individuals take mostly small fish.

Systems:

Freshwater

Threats [top]

Major Threat(s):	No major threats known.

Major Threat(s):

No major threats known.

Conservation Actions [top]

Conservation Actions:	No information.

Conservation Actions:

No information.

Citation:	Freyhof, J. & Kottelat, M. 2008. Neogobius kessleri. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 10 February 2010.
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