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Acestrorhynchus nasutus in Venezuela

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Acestrorhynchus nasutus   Eigenmann, 1912
Family:	Acestrorhynchidae (Smallscale pike characins)			picture (Acnas_u1.jpg) by Hippocampus-Bildarchiv
Order:	Characiformes  (characins)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	6.9 cm SL (male/unsexed; Ref. 38248)
Environment:	benthopelagic
Climate:	tropical
Global Importance:
Resilience:
Distribution:	South America: Amazon and Orinoco River basins and rivers of Guyana.
Diagnosis:	A dark, longitudinal band extending from the tip of the snout through the base of the caudal fin; and snout long 42.8-48.0% HL, which distinguishes this species from all its congeners except some juvenile specimens of A. microlepis and A. falcatus (Ref. 52916).
Biology:
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Menezes, N.A.. 2003. (Ref. 38248)
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Venezuela country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:  López-Fernández, H. and K.O. Winemiller, 2003
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Found in the Orinoco River basin (Ref. 38248). Known from two specimens collected in 1989 from Caño Cuchakén, a tributary of the Río Atabapo and a single specimen sampled in 2002 from a tributary of the Río Ventuari. These records represent a significant expansion of the range of the species, originally described from the Essequibo River at Rockstone, Guyana (Ref. 52916).
Country Information:	www.cia.gov/cia/publications/factbook/geos/ve.html
Occurrences:	Occurrences    Point map
Main Ref:	Taphorn, D., R. Royero, A. Machado-Allison and F. Mago Leccia, 1997
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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 | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Scirus | Tree of Life |   Neodat | Zoological Record
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	Modified:  Torres, Armi G.	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