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💧 Freshwater Critically Endangered 🌡️ Tropical

Bagre de torrente

Trichomycterus belensis Fernández & Vari, 2002
Max Length
6.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Collected from a small, clear water stream, at approximately 3,500 m elevation and 0.5 m deep, running over a sandy bottom and with marginal vegetation limited to grasses. Stomach contents include dipteran larvae (Chironomidae and Simuliidae), coleopterans (Elmidae), trichopterans, and plecopterans (Perlidae) .

Scientific Name
Trichomycterus belensis
Authority
Fernández & Vari, 2002
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
6.4 cm
Trophic Level
3.2
Resilience
Low
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 11 - 13; Anal soft rays: 9 - 10; Vertebrae: 36 - 39. Oval premaxilla smaller than the maxilla. Pelvic fins with associated pelvic girdle. Branched dorsal fin rays 7-8. Ribs 15-17. Caudal peduncle compressed. The region anteroventral to the dorsal fin origin unpigmented. Head and body lack the very thick, rugose layer of fatty tissue. Lacks extensive perforation on the skin's surface by ampullary organs .

🌀 Behaviour

Behavioural data for Bagre de torrente is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Laguna Blanca basin in Argentina.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L2.97 (TL)
Max TL
6.4cm
Dorsal Rays
12
Anal Rays
10
Vertebrae
38

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Fernández & Vari, 2002

🌐 Names & Taxonomy

Language Common Names
🌍CES kandiru belénský
🇪🇸Spanish Bagre de torrente

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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