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💧 Freshwater Least Concern 🌡️ Tropical

Velvety sole

Brachirus villosus Weber, 1907
Max Length
10.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Velvety sole (Brachirus villosus), first described by Weber, 1907 is a small fish in the family Soleidae (order Pleuronectiformes). Adults typically reach 10.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Brachirus villosus
Authority
Weber, 1907
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
10.5 cm
Trophic Level
3.6
Resilience
High
Vulnerability
23.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 65 - 69; Anal spines: 0; Anal soft rays: 52 - 55. : short and / or deep.

🌀 Behaviour

Behavioural data for Velvety sole 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. Tropical; 4°S - 10°S known only from central-southern New Guinea.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.6±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.07 (TL)
Max TL
10.5cm
Dorsal Rays
67
Anal Rays
54

🌡️ Water Parameters & Tolerance

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
3.6
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Weber, 1907

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