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🌊 Marine Data Deficient 🌡️ Deep-water

Dicrolene Pallidus

Dicrolene pallidus Hureau & Nielsen, 1981
Max Length
16.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
2772–2992 m
Climate
Deep-water
Resilience
Medium
Vulnerability
21.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Rare species . Reproductive strategy possibly similar to other members of this family featuring oviparity, with oval pelagic eggs floating in a gelatinous mass .

Scientific Name
Dicrolene pallidus
Authority
Hureau & Nielsen, 1981
Habitat
Marine
Climate
Deep-water
IUCN Status
DD
Max Length
16.6 cm
Depth Range
2772–2992 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
21.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 112 - 118; Anal spines: 0; Anal soft rays: 89 - 94. 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 (larger and overlapping 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 Dicrolene Pallidus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 2772 - 2992 m . Deep-water known only from off Namibia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0011 × L3.08 (TL)
Max TL
16.6cm
Dorsal Rays
115
Anal Rays
92

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Deep-water
Described By
Hureau & Nielsen, 1981

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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