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💧 Freshwater Data Deficient 🌡️ Tropical

Trichomycterus Argos

Trichomycterus argos Lezama, Triques & Santos, 2012
Max Length
11.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in streams with depth and temperature varying from 13 to 44 cm and from 14 to 19°C. Preys on tadpoles of Scinax gr. catharinae under laboratory conditions .

Scientific Name
Trichomycterus argos
Authority
Lezama, Triques & Santos, 2012
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
11.7 cm
Trophic Level
3.2
Vulnerability
10.00/100
Water Temp
14–19 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 8 - 9; Anal soft rays: 6 - 7. Distinguished by the following characters: pectoral fins with six branched rays; pectoral-fin ray prolonged as a filament; presence of pelvic fins; tip of nasal barbels extending to posterior border of opercular plate of odontodes; presence of a large foramen for ramus lateralis accessorius facialis, visible in dorsal view, in the parietosupraoccipital bone; transverse and straight border between the parietosupraoccipital and frontal bones; body covered with spots that seldom attain eye diameter; pelvic-fin origin placed one or two ocular diameters anterior to dorsal-fin origin; absence of spots fused as elongated marks on dorsum or flank . : elongated.

🌀 Behaviour

Behavioural data for Trichomycterus Argos is currently being reviewed.

🦐 Diet

Diet information for Trichomycterus Argos is currently being compiled.

🥚 Reproduction

Reproduction data for Trichomycterus Argos is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; depth range 0 - ? m . Tropical; 14°C - 19°C South America: Rio Doce basin in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L2.97 (TL)
Max TL
11.7cm
Dorsal Rays
9
Anal Rays
7

🌡️ Water Parameters & Tolerance

Temperature Range
14–19°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Lezama, Triques & Santos, 2012

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