Trichomycterus areolatus

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	SILURIFORMES	TRICHOMYCTERIDAE

Scientific Name:	Trichomycterus areolatus
Species Authority:	Valenciennes, 1846
Synonym/s:	Pygidium marmoratum (Philippi, 1866) Trichomycterus areolatum Valenciennes, 1846 Trichomycterus marmoratus Philippi, 1866 Trichomycterus tigrinus Philippi, 1866

Assessment Information [top]

Red List Category & Criteria:

Data Deficient ver 3.1

Year Assessed:

2009

Assessor/s:

Reis, R & Lima, F.

Reviewer/s:

Collen, B., Darwall, W., Ram, M. & Smith, K. (SRLI Freshwater Fish Evaluation Workshop)

Justification:
This species is undergoing population decline but its causes or its extent of threats is unclear. An assessment of Data Deficient has therefore been made.

History:

1996	–	Data Deficient (Baillie and Groombridge 1996)
1994	–	Vulnerable (Groombridge 1994)

Geographic Range [top]

Range Description:	This species occurs on the western versant in central Chile, from Limari to Puerto Varas. In the Andalien River, it occurs from the mouth of the Nonguen to its headwaters.
Countries:	Native: Chile
Range Map:	(click map to view full version)

Population [top]

Population:	Campos et al. (1998) reported this species to be under population decline in regions III to IX.
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	T. areolatus is a benthopelagic (ecological region at the lowest level of water body) species that inhabits streams.
Systems:	Freshwater

Threats [top]

Major Threat(s):	There are unknown threats acting on this species.

Major Threat(s):

There are unknown threats acting on this species.

Conservation Actions [top]

Conservation Actions:	There are no conservation measures in place and research into general biology and ecology (habitat status and population trends) are required.

Conservation Actions:

There are no conservation measures in place and research into general biology and ecology (habitat status and population trends) are required.

Citation:	Reis, R & Lima, F. 2009. Trichomycterus areolatus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 10 February 2012.
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