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Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Characidae (Characins) > Characinae
Etymology: Acestrocephalus: Greek, agkistron = hook + Greek, kepahle = head (Ref. 45335); nigrifasciatus: Derived from Latin adjectives, niger means black, and fasciatus which is also derived from fascia means band or stripe. This is in reference to the dark lateral body stripe of this species.

Environment / Climate / Range Ecology

Freshwater; benthopelagic. Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Rio Arinos and Rio Juruena, and rio Tapajós basin in Brazil.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 9.3 cm SL male/unsexed; (Ref. 75890)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 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).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Menezes, N.A., 2006. Description of five new species of Acestrocephalus Eigenmann and redescription of A. sardina and A. boehlkei (Characiformes: Characidae). Neotrop. Ichthyol. 4(4):385-400. (Ref. 75890)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

Acestrocephalus nigrifasciatus Menezes, 2006