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💧 Freshwater Least Concern 🌡️ Tropical

Butterfish

Schilbe brevianalis Pellegrin, 1929
Max Length
8.2 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Oviparous, eggs are unguarded . Occasionally imported from Nigeria to Europe or America for aquarium purposes .

Scientific Name
Schilbe brevianalis
Authority
Pellegrin, 1929
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8.2 cm
Trophic Level
3.2
Resilience
High
Vulnerability
15.00/100
Water Temp
24–27 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 1; Anal soft rays: 34 - 39. Diagnosis: small species, less than 100 mm long; eyes small, diameter not exceeding 23% of head length; inner margin of pectoral-fin spine weakly denticulate . Head rounded . Nasal barbels always extending beyond hind margin of eye but not beyond anterior border of opercle . Adipose fin always present and fully developed . 34-39 branched anal-fin rays and 6-8 gill rakers on lower limb of first gill arch . Colour pattern marbled . Barbels well developed . Posterior nostrils at same distance or closer to each other than the anterior pair . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Butterfish is currently being reviewed.

🦐 Diet

Diet information for Butterfish is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 24°C - 27°C Known from the rivers Ogun (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.06 (TL)
Max TL
8.2cm
Dorsal Spines
1
Anal Rays
37

🌡️ Water Parameters & Tolerance

Temperature Range
24–27°C
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
15.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Pellegrin, 1929

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Butterfish · Female Belly Up
🌍CES sumčík západoafrický
🇩🇪German Gewölkter Glaswels
🇫🇮Finnish Ruskokuultomonni

Scientific Synonyms

Scientific Name Author Year Status
Eutropius brevianalis Pellegrin 1929 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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