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💧 Freshwater Data Deficient 🌡️ Tropical

Psilorhynchus Robustus

Psilorhynchus robustus Conway & Kottelat, 2007
Max Length
6.8 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone

📖 Overview

Psilorhynchus Robustus (Psilorhynchus robustus) is a ray-finned fish of the family Psilorhynchidae. It inhabits freshwater waters. This species can reach a maximum total length of 6.8 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Psilorhynchus robustus
Authority
Conway & Kottelat, 2007
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
6.8 cm
Trophic Level
2.9
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 6. Psilorhynchus robustus is most similar to P. gracilis and P. balitora in overall body shape, meristics and colour pattern. It is distinguished from both species by the presence of a large dark blotch situated posterodorsally to opercle opening, extending along lateral-line scales 3–6 (vs. absence) and in having upper lip separated from the rostral cap by a shallow groove (vs. upper lip separated from rostral cap by a deep groove).: elongated.

🌀 Behaviour

Behavioural data for Psilorhynchus Robustus is currently being reviewed.

🦐 Diet

Diet information for Psilorhynchus Robustus is currently being compiled.

🥚 Reproduction

Reproduction data for Psilorhynchus Robustus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical Known from headwaters of the Ataran basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00417 × L3.17 (TL)
Max TL
6.8cm
Dorsal Spines
3
Dorsal Rays
9
Anal Spines
2
Anal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2012

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Conway & Kottelat, 2007

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