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💧 Freshwater Endangered 🌡️ Tropical

Guyanancistrus Brownsbergensis

Guyanancistrus brownsbergensis Muller & Covain, 2018
Max Length
6.4 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

The type locality in the upper Kumbu Creek at Kumbu Falls (430 m asl) is a small mountain stream with 2.5-3.7 m width, 28-50 cm water depth, with cool (23.1-23.2°C) water, high dissolved oxygen content of 93-96% saturation and 7.08-7.72 mg/L, a pH of 7.0-7.5, conductivity 30.8-31.6 μS/cm, a current strength of 0.29-0.56 m/s taken on 12 July 2014, bottom substrate consisting of sand, gravel, pebbles, boulders and bedrock, and mostly clear water. The creek is sheltered by overhanging vegetation, leaf litter and some woody debris .

Scientific Name
Guyanancistrus brownsbergensis
Authority
Muller & Covain, 2018
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
EN
Max Length
6.4 cm
Resilience
High
Vulnerability
19.00/100
Water Temp
23–23 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 6. : elongated.

🌀 Behaviour

Behavioural data for Guyanancistrus Brownsbergensis is currently being reviewed.

🦐 Diet

Diet information for Guyanancistrus Brownsbergensis is currently being compiled.

🥚 Reproduction

Reproduction data for Guyanancistrus Brownsbergensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 7.0 - 7.5. Tropical; 23°C - 23°C South America: upper Kumbu Creek in the Brownsberg Nature Park, Brownsberg Mountains in Suriname.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic

📐 Morphometrics

Length–Weight Relationship: W = 0.01549 × L2.96 (TL)
Max TL
6.4cm
Dorsal Spines
2
Dorsal Rays
7
Anal Rays
6

🌡️ Water Parameters & Tolerance

Temperature Range
23–23°C
pH Range
7–7.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Muller & Covain, 2018

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