Triglopsis quadricornis

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	SCORPAENIFORMES	COTTIDAE

Scientific Name:

Triglopsis quadricornis

Species Authority:

(Linnaeus, 1758)

Common Name/s:

English

–

Fourhorn Sculpin

Synonym/s:

Myoxocephalus quadricornis (Linnaeus, 1758)

Taxonomic Notes:

Earlier called Myoxocephalus quadricornis and Oncocottus quadricornis.

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Published:

2008

Assessor/s:

Freyhof, J. & Kottelat, M.

Reviewer/s:

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

Contributor/s:

Justification:
Least concern, but landlocked populations (Landlocked populations in Sweden, central Finland and Karelia) are locally threatened.

History:

1994	–	Vulnerable (Groombridge 1994)
1990	–	Vulnerable (IUCN 1990)

Geographic Range [top]

Range Description:	Baltic coast of Sweden, Finland, Russia and southwestward to eastern Poland. Western coast of Sweden to northern coast of Norway, eastward to White and Barents Sea basins. In Siberia eastward to about Anadyr estuary. Northern North America. Landlocked populations in Sweden, central Finland and Karelia.
Countries:	Native: Canada; Denmark; Estonia; Finland; Latvia; Lithuania; Norway; Poland; Russian Federation; Sweden; United States
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	Abundant
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Habitat: Cold brackish and moderately saline water near coast; enters coastal rivers up to 200 km inland. Also landlocked in lakes. Spawns in shallow waters. Biology: Diurnal in winter, largely nocturnal in summer. Lives up to 14 years. Spawns for the first time at 3-5 years. Males are territorial. Spawns on ceiling of small cavities in gravel or rock bottom. Males guard eggs until hatching. After spawning, female leaves the nest. Juveniles move to shallow water in autumn and again to deeper water in spring, where they remain in summer. Feeds on invertebrates and fishes.
Systems:	Freshwater

Habitat and Ecology:

Habitat:
Cold brackish and moderately saline water near coast; enters coastal rivers up to 200 km inland. Also landlocked in lakes. Spawns in shallow waters.

Biology:
Diurnal in winter, largely nocturnal in summer. Lives up to 14 years. Spawns for the first time at 3-5 years. Males are territorial. Spawns on ceiling of small cavities in gravel or rock bottom. Males guard eggs until hatching. After spawning, female leaves the nest. Juveniles move to shallow water in autumn and again to deeper water in spring, where they remain in summer. Feeds on invertebrates and fishes.

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. Triglopsis quadricornis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 26 May 2013.
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