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💧 Freshwater Least Concern 🌡️ Tropical

Pollimyrus Petricolus

Pollimyrus petricolus Daget, 1954
Max Length
11 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Overview information for Pollimyrus Petricolus is currently being compiled by our editorial team.

Scientific Name
Pollimyrus petricolus
Authority
Daget, 1954
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
11 cm
Trophic Level
3.2
Resilience
High
Vulnerability
13.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 20 - 23; Anal spines: 0; Anal soft rays: 23 - 26. SL/Depth 3.7-4.8. Head 3.9-4.7 x SL, 3.6-5.2 x bigger than eye diameter. Pectoral fins 1.1-1.4 x head length, posterior end reaching origin of pelvic fins (which is 1.7-2.2 x length if pectorals). Dorsal and anal fin origins at same level. Caudal peduncle height 2.1-3.2 x of its length. Color uniformly dark, almost black (Upper Niger); Middle Niger individuals light colored with small dots of melanophores.: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pollimyrus Petricolus is currently being reviewed.

🦐 Diet

Diet information for Pollimyrus Petricolus is currently being compiled.

🥚 Reproduction

Reproduction data for Pollimyrus Petricolus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01622 × L2.99 (TL)
Max TL
11cm
Dorsal Rays
22
Anal Rays
25

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Daget, 1954

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