Nannoperca variegata Kuiter & Allen, 1986

Golden pygmy perch

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

Classification	Actinopterygii \| Perciformes \| Percichthyidae
Synonyms	... more
Common names	Ewens pygmy perch, Variagated Pygmy Perch, 杂色矮鲈, ... more

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Image of Nannoperca variegata (Golden pygmy perch)

Picture by Cook, D.C.

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Main reference

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley. 1989. (Ref. 7300)
Other references | Biblio | Coordinator : Arratia, Gloria | Collaborators

Size / Weight / Age

Max length : 6.5 cm SL male/unsexed; (Ref. 44894)

Environment

Benthopelagic; non-migratory; freshwater

Climate / Range

Temperate; 36°S - 37°S

Oceania: South Australia (only from Ewens ponds near Mount Gambier) and western Victoria (from a small creek at Winnap, Glenelg River system), Australia (also Ref. 5259).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Inhabits flowing streams and ponds in clear water, most common in creeks between ponds (Ref. 5259). Occurs in small, swiftly flowing, well-vegetated creeks in clear, cool water (14°-16°C), over gravel or cobbles. Often found around accumulated flood debris and log snags Feeds on aquatic insects and benthic microcrustaceans. Breeds from spring to early summer. First discovered in the early 1980s. Co-occurs with N. australis at Ewen ponds, but generally prefers faster flowing streams rather than ponds (Ref. 44894). Aquarium conditions: pH=7.2, H=8, 22°C water temperature, carnivore, egg layer, peaceful community fish requiring rock and plant cover (Ref. 6398).


IUCN Red List Status (Ref. 57073)	Threat to humans
Vulnerable (VU) (D2)	Harmless

Human uses
Fisheries: of no interest; 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
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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (21 of 100)	Not marketed/unknown

Entered by Palomares, Maria Lourdes D.

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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