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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Oligosarcus Longirostris

Oligosarcus longirostris Menezes & Géry, 1983
Max Length
22.5 cm
Max Weight
-
Lifespan
-
Trophic Level
4.3
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Oligosarcus Longirostris (Oligosarcus longirostris) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 22.5 cm. With a trophic level of 4.3, it is an apex predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Oligosarcus longirostris
Authority
Menezes & Géry, 1983
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
22.5 cm
Trophic Level
4.3
Resilience
Medium
Vulnerability
43.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Oligosarcus Longirostris is currently being compiled.

🌀 Behaviour

Behavioural data for Oligosarcus Longirostris is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

Size at Maturity
9.5cm TL

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazil, Rio Iguaçu basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
4.3±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3.1 (TL)
Max TL
22.5cm

🌡️ 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
43.00/100
Moderate vulnerability
Trophic Level
4.3
Apex / Top predator
Climate Zone
Tropical
Described By
Menezes & Géry, 1983

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