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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Oligosarcus Paranensis

Oligosarcus paranensis Menezes & Géry, 1983
Max Length
20.5 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Oligosarcus Paranensis (Oligosarcus paranensis), first described by Menezes & Géry, 1983 is a medium-sized fish in the family Acestrorhamphidae (order Characiformes). Adults typically reach 20.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Acestrorhamphidae kept in the hobby.

Scientific Name
Oligosarcus paranensis
Authority
Menezes & Géry, 1983
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
20.5 cm
Trophic Level
4.1
Resilience
Medium
Vulnerability
35.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Oligosarcus Paranensis is currently being compiled.

🌀 Behaviour

Behavioural data for Oligosarcus Paranensis is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: upper Paraná basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
4.1±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3.07 (TL)
Max TL
20.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
4.1
Apex / Top predator
Climate Zone
Tropical
Described By
Menezes & Géry, 1983

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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