Auchenipterus nuchalis (Spix & Agassiz, 1829)

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

Classification	Actinopterygii \| Siluriformes \| Auchenipteridae \| Auchenipterinae
Synonyms	Hypophthalmus nuchalis, ... more
Common names	Barbudo, Maparate, Mandi peruano, ... more

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Main reference

Ferraris, C.J. Jr. 2003. (Ref. 37098)
Other references | Biblio | Coordinator : Ferraris, Jr., Carl J. | Collaborators

Size / Weight / Age

Max length : 15.4 cm SL male/unsexed; (Ref. 37098)

Environment

Pelagic; freshwater; pH range: 6.7 - 7.2; dH range: 7 - 16

Climate / Range

Tropical; 20°C - 22°C (Ref. 2060)

South America: Lower Amazon and Tocantins rivers northward to Marowijne River. Possibly also Rupununi and Negro rivers.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Inhabits lower courses of the larger rivers. Free swimming species found near the surface. Nocturnal, plus active during dusk and dawn. Feeds on smaller fish. The male is recognizable by his thick, ossified maxillary barbels and by the first few rays of the anal fin which are fused, supporting the urogenyla tube that runs along the anterior border to the tip of the rays (Ref. 6868). This fish comprises the majority of the catches in the fish nets and is especially captured during the rainy season which is its reproductive period. Occurs less frequently in flood zones, prefers eroded zones where it appears in large numbers (Ref. 27188).


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

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (10 of 100)	Not marketed/unknown

Entered by Froese, Rainer

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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