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🌊 Marine 🌡️ Deep-water

Bigeye notothen

Trematomus tokarevi Andriashev, 1978
Max Length
22.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
200–700 m
Climate
Deep-water
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

A deep-water species, generally inhabiting deep waters and less frequently in shallow waters. Collected from flat bottom without big shelters, like rocky niches and seaweeds .

Scientific Name
Trematomus tokarevi
Authority
Andriashev, 1978
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
Max Length
22.4 cm
Depth Range
200–700 m
Trophic Level
3.2
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 35 - 37; Anal soft rays: 32 - 33; Vertebrae: 51 - 53. Slender, deep bodied form. Light cinnamon brown with greenish hue above, light below. Body with spots and strands of grayish-brown.: fusiform / normal.

🌀 Behaviour

Behavioural data for Bigeye notothen 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 200 - 700 m . Deep-water; 60°S - 70°S East Antarctic, and near the South Orkney and South Shetland Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.2±0.41

📐 Morphometrics

Length–Weight Relationship: W = 0.00537 × L3.24 (TL)
Max TL
22.4cm
Dorsal Spines
5
Dorsal Rays
36
Anal Rays
33
Vertebrae
52

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Described By
Andriashev, 1978

🌐 Names & Taxonomy

Language Common Names
🇬🇧English bigeye notothen

Scientific Synonyms

Scientific Name Author Year Status
Pseudotrematomus tokarevi Andriashev 1978 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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