New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Deep-water

Slender brotula

Dicrolene multifilis Alcock, 1889
Max Length
26 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
344–1700 m
Climate
Deep-water
Resilience
Medium
Vulnerability
30.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Uncommon species . Oviparous, with oval pelagic eggs floating in a gelatinous mass . Minimum depth from Ref. 58018.

Scientific Name
Dicrolene multifilis
Authority
Alcock, 1889
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
26 cm
Depth Range
344–1700 m
Trophic Level
3.6
Resilience
Medium
Vulnerability
30.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 102 - 115; Anal spines: 0; Anal soft rays: 82 - 95. Snout rather blunt; eye diameter almost as long as snout; opercular spine strong and straight; hind margin of preopercle usually with 3 sharp spines; 1 median (broad) and a pair (small and placed behind median one) of basibranchial tooth patches; pseudobranchial filaments 2 or 3; 7-15 developed rakers on anterior arch; lower 5-11 pectoral fin rays free and longer than upper ones; precaudal vertebrae 13-16 . No black fin rays; spines in supraorbital absent and on preopercle absent or weak .

🌀 Behaviour

Behavioural data for Slender brotula is currently being reviewed.

🦐 Diet

Diet information for Slender brotula is currently being compiled.

🥚 Reproduction

Reproduction data for Slender brotula is currently being compiled.

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 344 - 1700 m . Deep-water east coast of South Africa; also from other parts of the Indian Ocean.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0011 × L3.08 (TL)
Max TL
26cm
Dorsal Rays
109
Anal Rays
89

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Deep-water
Described By
Alcock, 1889

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Slender brotula ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.