Map_thumbnail_large_font

Coregonus gutturosus

Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_on

Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII SALMONIFORMES SALMONIDAE

Scientific Name: Coregonus gutturosus
Species Authority: (Gmelin, 1818)

Assessment Information [top]

Red List Category & Criteria: Extinct ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Freyhof, J. & Kottelat, M.
Reviewer(s): Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)
Justification:
The species was endemic to Lake Costance and was a commercial species in the 1960s but it is thought to have become Extinct in the 1970s when the eutrophicaton of the Lake peaked, which is said to have impacted egg development. It has not been recorded since in spite of several surveys over the past 10 years specifically to find the species as the conditions in the lake have improved.

Geographic Range [top]

Range Description: Lake Constance (Switzerland, Germany, Austria).
Countries:
Regionally extinct:
Austria; Germany; Switzerland
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Thought to have gone extinct in the early 1970s.

Habitat and Ecology [top]

Habitat and Ecology: Habitat:
Lacustrine, in deep water. Spawns in 10-60 m water depth.

Biology:
Spawns in July-November. After spawning migrates to deeper places, at depths of up to about 140 m. Migrates to 50-60 m in March-April. Feeds on benthic invertebrates (especially mussels and snails).
Systems: Freshwater

Use and Trade [top]

Use and Trade: This was a commercially fished species in the 1960s but it is thought to have gone extinct in the 1970s.

Threats [top]

Major Threat(s): Eutrophication which peaked in 1979. Natural reproduction in coregonids is said to have almost stopped during the period of high eutrophication as the eggs could no longer develop in the low-oxygen substrates.

Conservation Actions [top]

Conservation Actions: None.

Citation: Freyhof, J. & Kottelat, M. 2008. Coregonus gutturosus. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 17 September 2014.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided