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💧 Freshwater Least Concern 🌡️ Subtropical

Trichomycterus Yuska

Trichomycterus yuska Fernández & Schaefer, 2003
Max Length
9.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
Low
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in a small, clear-water stream with sandy bottom at an elevation of approximately 4,050 m . Feeds on aquatic insects .

Scientific Name
Trichomycterus yuska
Authority
Fernández & Schaefer, 2003
Habitat
Freshwater
Climate
Subtropical
IUCN Status
LC
Max Length
9.7 cm
Trophic Level
3.2
Resilience
Low
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 10 - 12; Anal soft rays: 9 - 11; Vertebrae: 38 - 39. Head and cheek musculature hypertrophied, head shape square in dorsal view; first pectoral fin ray prolonged as a thin, short filament; tip of pelvic fin when depressed not reaching the anus; pectoral fin rays 7-8; pelvic fin short, not extending posteriorly to reach the anus; premaxilla with outer row teeth incisiform, not spatulate .

🌀 Behaviour

Behavioural data for Trichomycterus Yuska 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. Subtropical South America: endemic to Argentina.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4
Food Items

aquatic insects (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L2.97 (TL)
Max TL
9.7cm
Dorsal Rays
11
Anal Rays
10
Vertebrae
39

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Fernández & Schaefer, 2003

🗺️ 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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