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💧 Freshwater 🌡️ Tropical

Trichomycterus Araxa

Trichomycterus araxa Costa, Mattos, Sampaio, Giongo, Almeida & Katz, 2022
Max Length
6.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for Trichomycterus Araxa is currently being compiled by our editorial team.

Scientific Name
Trichomycterus araxa
Authority
Costa, Mattos, Sampaio, Giongo, Almeida & Katz, 2022
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
6.4 cm
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal spines: 2; Anal soft rays: 5; Vertebrae: 35. This species is distinguished from its congeners by the following set of characters: black median longitudinal stripe on the caudal fin present in juvenile specimens below about 40 mm SL; long pectoral-fin filament, its length about 40-60% of pectoral-fin length in specimens about 50 mm SL or larger; anterior infraorbital canal present, supported by an elliptical antorbital; a moderately deep opercular odontode patch; posterior margin of the metapterygoid, anterior margin of the hyomandibula anterior outgrowth and dorso-posterior margin of the quadrate slightly curved; and prominent projection on the lateral margin of the lateral ethmoid, ventrally overlapping the sesamoid supraorbital absent .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Trichomycterus Araxa is currently being reviewed.

🦐 Diet

Diet information for Trichomycterus Araxa is currently being compiled.

🥚 Reproduction

Reproduction data for Trichomycterus Araxa is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Max TL
6.4cm
Dorsal Spines
2
Dorsal Rays
7
Anal Spines
2
Anal Rays
5
Vertebrae
35

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Costa, Mattos, Sampaio, Giongo, Almeida & Katz, 2022

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