Aequidens tetramerus (Heckel, 1840)

Saddle cichlid

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Cichlidae \| Cichlasomatinae
Synonyms	Acara tetramerus, Acaronia trimaculata, Aequidens stollei, ... more
Common names	Acara vert, Vieja, Grünglanzbuntbarsch, ... more

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Main reference

Kullander, S.O. and H. Nijssen. 1989. (Ref. 26372)
Other references | Biblio | Coordinator : Kullander, Sven O. | Collaborators

Size / Weight / Age

Max length : 16.2 cm SL male/unsexed; (Ref. 36377)

Environment

Benthopelagic; freshwater; pH range: 4.9 - 7.5; dH range: 1 - 13.5

Climate / Range

Tropical; 24°C - 26°C (Ref. 1672)

South America: widely distributed in the Amazon River basin in Peru, Colombia, Ecuador, Brazil and Bolivia. Also in the Tocantins and Parnaíba rivers, French Guiana, Suriname, Guyana, and in the Orinoco River basin of Venezuela and Colombia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

One of the most colorful species of the genus, especially during its reproductive period. Frequently occurs in zones with little current and over a substrate covered with vegetal debris (Ref. 27188). Caught frequently but not abundantly in most varied biotopes- in small creeks and flooded zones with clear, shallow and slow flowing water. Feeds primarily on insects, secondarily on fishes and plants. Very territorial. During reproduction, males attain a deeper coloration. About 1,000 eggs are released during spawning. Spawning takes place on stone or wood. Parents take care of juveniles (Ref. 35237). Maximum length 25 cm TL (Ref. 1672).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: minor commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| LifeMapper \| Point map

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Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Fec=1,000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (23 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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