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Acaronia nassa in Peru
Bigeye cichlid

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Acaronia nassa   (Heckel, 1840)
Family:	Cichlidae (Cichlids) , subfamily: Cichlasomatinae			picture (Acnas_m0.jpg) by DATZ
Order:	Perciformes  (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Bigeye cichlid
Max. size:	15.4 cm SL (male/unsexed; Ref. 36377)
Environment:	benthopelagic; pH range: 7; dH range: 12 - 15
Climate:	tropical; 25 - 28°C
Global Importance:	fisheries: minor commercial; aquarium: commercial
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	South America: Amazonas lowlands in Peru, Brazil, and Colombia, Bolivian Amazon basin, middle and lower Negro River, Branco River, also Amapá (Brazil), the Oyapock drainage in French Guiana, and the Essequibo drainage in Guyana.
Biology:	Collected from a small creek, quite sunny, with amber-colored water, slow current, muddy substrate and approximately 1 m in depth. Solitary. Feeds on shrimps, insect larvae of Odonata, Coleoptera and Hemiptera, as well as on fishes like cyprinodonts, characids. Males are bigger than females. Reproduction occurs during the rainy season. Found together with Pterophyllum scalare, Heros efasciatus, Hypselecara temporalis, and Mesonauta guyanae (Ref. 35237). Maximum length 25 cm TL (Ref. 2060)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:	Kullander, Sven O.
Main Ref:	Kullander, S.O.. 2003. (Ref. 36377)
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Peru country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Known from the Amazon River basin (Ref. 36377).
Country Information:	www.cia.gov/cia/publications/factbook/geos/pe.html
Occurrences:	Occurrences    Point map
Main Ref:	Kullander, S.O., 2003
Update

More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | Bio-Quiz | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Recipes | Scirus | Tree of Life |   Neodat | Zoological Record Other web sites |
	Note: use the Back button of your browser to return to FishBase.
	Checked:  Kullander, Sven O.	Modified:  Torres, Armi G.	Entered:  Casal, Christine Marie V.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07