New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Data Deficient 🌡️ Tropical

Leiarius Longibarbis

Leiarius longibarbis Castelnau, 1855
Max Length
36 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
28.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Leiarius Longibarbis (Leiarius longibarbis) is a ray-finned fish of the family Pimelodidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 36 cm. With a trophic level of 4, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Leiarius longibarbis
Authority
Castelnau, 1855
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
36 cm
Trophic Level
4
Resilience
High
Vulnerability
28.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Leiarius Longibarbis is currently being compiled.

🌀 Behaviour

Behavioural data for Leiarius Longibarbis is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Amazon River.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
4±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.1 (TL)
Max TL
36cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Tropical
Described By
Castelnau, 1855

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Leiarius Longibarbis ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.