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💧 Freshwater Least Concern 🌡️ Tropical

Oligosarcus Robustus

Oligosarcus robustus Menezes, 1969
Max Length
31.3 cm
Max Weight
Lifespan
Trophic Level
4.2
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
Depth Zone

📖 Overview

Oligosarcus Robustus (Oligosarcus robustus) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 31.3 cm. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Oligosarcus robustus
Authority
Menezes, 1969
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
31.3 cm
Trophic Level
4.2
Resilience
Medium
Vulnerability
34.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Oligosarcus Robustus is currently being compiled.

🌀 Behaviour

Behavioural data for Oligosarcus Robustus is currently being reviewed.

🦐 Diet

Diet information for Oligosarcus Robustus is currently being compiled.

🥚 Reproduction

Reproduction data for Oligosarcus Robustus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Tropical South America: coastal region of Rio Grande do Sul.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
4.2±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.09 (TL)
Max TL
31.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Tropical
Described By
Menezes, 1969

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