Acanthistius brasilianus

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	SERRANIDAE

Scientific Name:

Acanthistius brasilianus

Species Authority:

(Cuvier, 1828)

Common Name/s:

English	–	Argentine Seabass, Sea Bass
French	–	Serran Argentin
Spanish	–	Mero, Mero Sureño

Synonym/s:

Plectropoma brasilianum Cuvier, 1828

Plectropoma patachonica Jenyns, 1840

Assessment Information [top]

Red List Category & Criteria:	Data Deficient ver 3.1
Year Published:	2010
Assessor/s:	Sadovy, Y.J.
Reviewer/s:	Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.
Contributor/s:	De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P. & Smith, J. and Livingston, F.
Justification: Acanthistius brasilianus has been assessed as Data Deficient. This species is known from only nine specimens. It is not currently known if this species is being impacted by any major threats, therefore more work into the ecology, biology, population size and trends is needed before a more accurate threat assessment can be made.

Geographic Range [top]

Range Description:	Acanthistius brasilianus is found only in the southwest Atlantic off the coast of Brazil, from 15^o to 23^oS (Irigoyen et al. 2008).
Countries:	Native: Argentina; Brazil; Uruguay
FAO Marine Fishing Areas:	Native: Atlantic – southwest
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	Acanthistius brasilianus is only known from nine specimens. Irigoyen et al. (2008) noted that this was an uncommon species occurring in Brazilian waters from Bahia to Sao Paulo. It is observed rarely on rocky bottoms.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	The seabass Acanthistius brasilianus is a benthopelagic species that has a depth range of 15 to 60m. It has been observed over rocky reefs near offshore islands and outcrops (Irigoyen et al. 2008). The main food items of this species include fishes, crustaceans, molluscs and worms (Irigoyen et al. 2008).
Systems:	Marine

Threats [top]

Major Threat(s):	This is a rare species. It is not found in areas in which trawling occurs (Heemstra pers. comm.). It is not known if this species is being impacted by any major threats but the species could be experiencing negative effects from coastal pollution and development.

Major Threat(s):

This is a rare species. It is not found in areas in which trawling occurs (Heemstra pers. comm.). It is not known if this species is being impacted by any major threats but the species could be experiencing negative effects from coastal pollution and development.

Conservation Actions [top]

Conservation Actions:	There are no known species-specific conservation measures in place for Acanthistius brasilianus, however its distribution may cover a number of marine protected areas. Further research on population trends and potential threats is needed.

Conservation Actions:

There are no known species-specific conservation measures in place for Acanthistius brasilianus, however its distribution may cover a number of marine protected areas. Further research on population trends and potential threats is needed.

Citation:	Sadovy, Y.J. 2010. Acanthistius brasilianus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013.
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