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Acestrocephalus nigrifasciatus in Brazil

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Acestrocephalus nigrifasciatus   Menezes, 2006
Family:	Characidae (Characins) , subfamily: Characinae			picture (Acnig_m0.gif) by Menezes, N.A.
Order:	Characiformes  (characins)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	9.3 cm SL (male/unsexed; Ref. 75890)
Environment:	benthopelagic
Climate:	tropical
Global Importance:
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	South America: Rio Arinos and Rio Juruena, and rio Tapajós basin in Brazil.
Diagnosis:	Dorsal soft rays (total): 11-11; Anal soft rays: 31-35; Vertebrae: 37-38. Both Acestrocephalus nigrifasciatus and Acestrocephalus sardina have the same color pattern and eye size, distinct from all their congeners. In addition, Acestrocephalus nigrifasciatus has more scale rows above (13-14 vs. 10-12) and below (12-13 vs. 10-12) lateral line. Differs from Acestrocephalus sardina by having longer and narrower muscular hiatus of the pseudotympanum than that of Acestrocephalus sardina; and the fibers of the obliquus inferioris muscle are not visible as in the latter species (Ref. 75890). Description: Dorsal fin ii,9; Anal fin iv,27-31; Pectoral fin i+14-15; Pelvic fin i+7 (Ref. 75890).
Biology:
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Menezes, N.A.. 2006. (Ref. 75890)
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Brazil country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Known from Rio Arinos and Rio Juruena, and rio Tapajós basin in Mato Grosso (Ref. 75890).
States/Provinces:
States/Provinces Complete?:	No
Country Information:	www.cia.gov/cia/publications/factbook/geos/br.html
Occurrences:	Occurrences    Point map
Main Ref:	Menezes, N.A., 2006
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	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 | Scirus | Tree of Life |   Neodat | Zoological Record
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	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