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

🌊 Marine Least Concern 🌡️ Deep-water

Bigeye

Epigonus pandionis Goode & Bean, 1881
Max Length
23.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
200–600 m
Climate
Deep-water
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Bigeye (Epigonus pandionis) is a ray-finned fish of the family Epigonidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 23.5 cm. It occurs at depths between 200 and 600 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Epigonus pandionis
Authority
Goode & Bean, 1881
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
23.5 cm
Depth Range
200–600 m
Latitude
35°S – 37°N
Trophic Level
3.5
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 2; Anal soft rays: 9. Membranous edge at the upper border of the gill cover is absent or poorly developed. No opercular spines. Caudal peduncle is short, body is deep . Specimens less than 8 cm SL with a dark band on peduncle at caudal base and a thin black ring on central part of peduncle (disappears in specimens greater than 11 cm SL) .: fusiform / normal.

🌀 Behaviour

Behavioural data for Bigeye 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 - 600 m , usually 300 - 500 m . Deep-water; 37°N - 35°S South America (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L3.01 (TL)
Max TL
23.5cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
2
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Latitude Range
37°N – 35°S
Described By
Goode & Bean, 1881

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Apogon pandionis Goode & Bean 1881 Synonym
Epigonus pandionus Goode & Bean 1881 Synonym
Glossamia pandionis Goode & Bean 1881 Synonym
Xystramia pandionis Goode & Bean 1881 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 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 Bigeye ↗
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.