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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Jaguar catfish

Liosomadoras oncinus Jardine, 1841
Max Length
17 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Jaguar catfish (Liosomadoras oncinus) is a ray-finned fish of the family Auchenipteridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 17 cm. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Liosomadoras oncinus
Authority
Jardine, 1841
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
17 cm
Trophic Level
3.4
Resilience
High
Vulnerability
23.00/100
Water Temp
20–24 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Jaguar catfish is currently being compiled.

🌀 Behaviour

Behavioural data for Jaguar catfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 4.8 - 6.8; dH range: 0 - 12. Tropical; 20°C - 24°C South America: Branco River basin in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00891 × L3.03 (TL)
Max TL
17cm

🌡️ Water Parameters & Tolerance

Temperature Range
20–24°C
pH Range
4.8–6.8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Jardine, 1841

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Jaguar Catfish
🌍CES trnovčík jaguáří
🇩🇪German Jaguarwels · Onca
🇫🇮Finnish Jaguaarinahkamonni
🇵🇹Portuguese Bagre-onça

Scientific Synonyms

Scientific Name Author Year Status
Arius oncinus Jardine 1841 Synonym
Liosomadoras orcinus Jardine & Schomburgk 1841 Synonym
Lisomadoras oncinus Jardine 1841 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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