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💧 Freshwater Data Deficient 🌡️ Tropical

Pseudancistrus Reus

Pseudancistrus reus Armbruster & Taphorn, 2008
Max Length
7.7 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
23.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Facultative air-breathing in the genus ; Found in water tea-colored river with low conductivity (12 µmho/cm), visibility ~ 2m and moderate current .

Scientific Name
Pseudancistrus reus
Authority
Armbruster & Taphorn, 2008
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
7.7 cm
Vulnerability
23.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 5. Distinguished from all congeners by having bars on the body; and from all examined Pseudancistrus except Pseudancistrus genisetiger and Pseudancistrus papariae by having an incomplete mid-dorsal plate row with 18 plates ( vs. complete with 21-25 plates). Differs from one specimen of Pseudancistrus genisetiger and the holotype of Pseudancistrus papariae by the presence of 18 continuous plates (vs. mid-dorsal row with 14 plates, then a break around the adipose fin and then 2 more plates at the posterior end of the caudal peduncle. Another specimen of Pseudancistrus papariae with complete mid-dorsal row, but plate rows not examined .: elongated.

🌀 Behaviour

Behavioural data for Pseudancistrus Reus is currently being reviewed.

🦐 Diet

Diet information for Pseudancistrus Reus is currently being compiled.

🥚 Reproduction

Reproduction data for Pseudancistrus Reus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 6.6 - ?. Tropical; 28°C - ? South America: Río Caroní in Venezuela.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic

📐 Morphometrics

Length–Weight Relationship: W = 0.01549 × L2.96 (TL)
Max TL
7.7cm
Dorsal Spines
2
Dorsal Rays
7
Anal Spines
1
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Fishing Vulnerability
23.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Armbruster & Taphorn, 2008

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