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💧 Freshwater 🌡️ Tropical

Bryconops Tocantinensis

Bryconops tocantinensis Guedes, Oliveira & Lucinda, 2016
Max Length
6.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits stream and lotic shallow areas (depth up to 1.5 m) with riparian vegetation composed by trees and shrubs. The stream is characterized by transparent water and sandy, stony, and rocky bottom. Occurs syntopically with Eigenmannia trilineata, Hoplerythrinus unitaeniatus, Astyanax cf. goyacensis, Knodus cf. breviceps, Knodus sp., and Ancistrus sp. .

Scientific Name
Bryconops tocantinensis
Authority
Guedes, Oliveira & Lucinda, 2016
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
6.5 cm
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 10 - 11; Anal soft rays: 25 - 29; Vertebrae: 40. Bryconops tocantinensis is distinguished from all species of Bryconops, except B. humeralis and B. vibex by the color pattern in vivo (dorsal, adipose, and caudal fins entirely orange). It differs from B. humeralis and B. vibex by the lack of a humeral spot and by the lack of maxillary teeth (vs. a single humeral spot present and 1-3 maxillary teeth on both sides present). It can be further diagnosed from B. vibex by having 38-41 perforated lateral line scales (vs. 44-46) .: fusiform / normal.

🌀 Behaviour

Behavioural data for Bryconops Tocantinensis is currently being reviewed.

🦐 Diet

Diet information for Bryconops Tocantinensis is currently being compiled.

🥚 Reproduction

Reproduction data for Bryconops Tocantinensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range ? - 2 m . Tropical South America: Rio Conceição, a tributary to the rio Palma, upper rio Tocantins drainage in Tocantins, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.01 (TL)
Max TL
6.5cm
Dorsal Rays
11
Anal Rays
27
Vertebrae
40

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Guedes, Oliveira & Lucinda, 2016

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