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Amphilophus zaliosus 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Perciformes Cichlidae

Scientific Name: Amphilophus zaliosus
Species Authority: (Barlow, 1976)
Common Name(s):
English Arrow Cichlid
Spanish Mojarra Flecha
Synonym(s):
Cichlasoma zaliosum Barlow, 1976

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii,v) ver 3.1
Year Published: 2009
Date Assessed: 2007-03-01
Assessor(s): Snoeks, J., Laleye, P. & Contreras-MacBeath, T.
Reviewer(s): Collen, B., Darwall, W., Ram, M. & Smith, K. (SRLI Freshwater Fish Evaluation Workshop)
Justification:
A. zaliosus exists at only one location, Lake Apoyo, which covers an area of 21.2 km². In addition to this, due to an introduced species in Lake Apoyo, and increasing incidences of parasites in the native fish of the lake, it is suspected that A. zaliosus is being negatively impacted by a continuing decline in habitat quality, and the number of mature individuals in the population.

Geographic Range [top]

Range Description:This species is endemic to Lake Apoyo on the Atlantic slope of Nicaragua. Lake Apoyo covers an area of 21.2 km².
Countries occurrence:
Native:
Nicaragua (Nicaragua (mainland))
Additional data:
Number of Locations:1
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The global population is decreasing, although detailed numbers are lacking.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:A. zaliosus is a benthopelagic species.
Systems:Freshwater

Use and Trade [top]

Use and Trade: A. zaliosus is also a commercial aquarium fish, which can spawn in captivity. It is also used in behavioural research.

Threats [top]

Major Threat(s): The significant presence of an introduced species, the Nile tilapia (O. niloticus), in Lake Apoyo from early 1990s, is posing a threat to native species of the lake, by occupying sites that some of the native species have been using for reproduction and food. In addition, there are increasing incidences of parasites among many of the fish in Lake Apoyo. Researchers suspect that tilapia is the vector for the parasite (Canonico et al. 2005).

Conservation Actions [top]

Conservation Actions: Basic research actions are needed into the species life histories: biology, habitat status and population range. Currently, being know from one location only that is under threat from invasive species, the establishment and maintenance of protected areas are required for the survival of this species.

Citation: Snoeks, J., Laleye, P. & Contreras-MacBeath, T. 2009. Amphilophus zaliosus. The IUCN Red List of Threatened Species 2009: e.T169382A6615155. . Downloaded on 23 March 2017.
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