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🌊 Marine 🌡️ Deep-water

Longfin icedevil

Aethotaxis mitopteryx DeWitt, 1962
Max Length
44.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
400–1500 m
Climate
Deep-water
Resilience
Very low
Vulnerability
68.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Feeds on zooplankton. The storage of lipids in cells of adipose tissue as well as the reduced calcification of the skeleton provide buoyancy to this species.

Scientific Name
Aethotaxis mitopteryx
Authority
DeWitt, 1962
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
Max Length
44.3 cm
Depth Range
400–1500 m
Trophic Level
3.4
Resilience
Very low
Vulnerability
68.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 34; Anal soft rays: 30. Gray with violet hue and lighter below with metallic luster. In alcohol, purplish gray or light brown dorsally .: fusiform / normal.

🌀 Behaviour

Behavioural data for Longfin icedevil 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; bathypelagic; depth range 400 - 1500 m . Deep-water Southern Ocean: islands of the Scotia Sea, Weddell Sea, Prydz Bay and the Ross Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.45
Food Items

zooplankton

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.11 (TL)
Max TL
44.3cm
Dorsal Spines
7
Dorsal Rays
34
Anal Rays
30

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
68.00/100
High vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Described By
DeWitt, 1962

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Longfin icedevil · threadfin pithead
🇷🇺Russian Длиннопёрая нототения
🇨🇳Chinese 奇南極鰧

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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