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🌊 Marine Data Deficient 🌡️ Deep-water

Slopewater lanternfish

Diaphus taaningi Norman, 1930
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
40–475 m
Climate
Deep-water
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Pseudoceanic, found over continental shelves and slopes . Occurs between 325-475 m during the day; between 40-250 m at night (maximum abundance in 100 m depth). Mesopelagic . In the Cariaco Trench, day distribution is at 250 m and at night at 50 m due to anoxic conditions below 400 m and free hydrogen sulphide below 375 m. Fecundity is about 1,000 eggs per female .

Scientific Name
Diaphus taaningi
Authority
Norman, 1930
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
7 cm
Depth Range
40–475 m
Latitude
27°S – 42°N
Trophic Level
3.3
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 15; Anal spines: 0; Anal soft rays: 13 - 15. Small, stout-bodied myctophid with well developed eyes, swim bladder and associated gas gland .: fusiform / normal.

🌀 Behaviour

Behavioural data for Slopewater lanternfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
3.8cm TL

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 40 - 475 m . Deep-water; 42°N - 27°S south to 23°S.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.04 (TL)
Max TL
7cm
Dorsal Rays
14
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Latitude Range
42°N – 27°S
Described By
Norman, 1930

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Slopewater lanternfish
🌍CES lampař Tåningův
🇷🇺Russian Диаф Тонинга

Scientific Synonyms

Scientific Name Author Year Status
Aethoprora taaningi Norman 1930 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 15 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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