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💧 Freshwater Data Deficient 🌡️ Tropical

Acestrocephalus Nigrifasciatus

Acestrocephalus nigrifasciatus Menezes, 2006
Max Length
9.3 cm
Max Weight
Lifespan
Trophic Level
3.6
Depth
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone

📖 Overview

Acestrocephalus Nigrifasciatus (Acestrocephalus nigrifasciatus) is a ray-finned fish of the family Characidae. It inhabits freshwater waters. This species can reach a maximum total length of 9.3 cm. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Acestrocephalus nigrifasciatus
Authority
Menezes, 2006
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
9.3 cm
Trophic Level
3.6
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

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 . : fusiform / normal.

🌀 Behaviour

Behavioural data for Acestrocephalus Nigrifasciatus is currently being reviewed.

🦐 Diet

Diet information for Acestrocephalus Nigrifasciatus is currently being compiled.

🥚 Reproduction

Reproduction data for Acestrocephalus Nigrifasciatus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Rio Arinos and Rio Juruena, and rio Tapajós basin in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3.09 (TL)
Max TL
9.3cm
Dorsal Rays
11
Anal Rays
33
Vertebrae
38

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Menezes, 2006

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