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Auchenipterus nuchalis in French Guiana

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Auchenipterus nuchalis   (Spix & Agassiz, 1829)
Family:	Auchenipteridae (Driftwood catfishes) , subfamily: Auchenipterinae			picture (Aunuc_u1.jpg) by Black, J.
Order:	Siluriformes  (catfish)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	15.4 cm SL (male/unsexed; Ref. 37098)
Environment:	pelagic; pH range: 6.69999980926514 - 7.19999980926514; dH range: 7 - 16
Climate:	tropical; 20 - 22°C
Global Importance:	fisheries: minor commercial; aquarium: commercial
Resilience:
Distribution:	South America: Lower Amazon and Tocantins rivers northward to Marowijne River. Possibly also Rupununi and Negro rivers.
Biology:	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)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:	Ferraris, Jr., Carl J.
Main Ref:	Ferraris, C.J. Jr.. 2003. (Ref. 37098)
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French Guiana country information
Common names:	Botromanki, Coco eau douce, Koko-merlo, Koko-odou, Koyo koyo, Kula pulali, pilakoupéanchi, Pilateau, Pilatéau		Ref:  Boujard, T., M. Pascal, F.J. Meunier and P.-Y. Le Bail, 1997
Status:	native		Ref:  Ferraris, C.J. Jr., 2003
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Found in rapids (dry season) and sedimented (dry and wet seasons), straight (wet season) and eroded (dry and wet seasons) riversides of Arataye River. Also Ref. 35381.
Country Information:	www.cia.gov/cia/publications/factbook/geos/fg.html
Occurrences:	Occurrences    Point map
Main Ref:	Boujard, T., 1992
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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 | 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 |
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	Checked:  Ferraris, Jr., Carl J.	Modified:  Garilao, Cristina V.	Entered:  Torres, Armi G.

	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