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🌊 Marine 🌡️ Tropical

Whitish hagfish

Eptatretus albiderma Song & Kim, 2020
Max Length
53 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
100–200 m
Climate
Tropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Whitish hagfish (Eptatretus albiderma), first described by Song & Kim, 2020 is a large fish in the family Myxinidae (order Myxiniformes). Adults typically reach 53.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 100 to 200 metres. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey.

Scientific Name
Eptatretus albiderma
Authority
Song & Kim, 2020
Habitat
Marine
Climate
Tropical
Max Length
53 cm
Depth Range
100–200 m
Trophic Level
4.2
Resilience
Medium
Vulnerability
39.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by the following characters: 6 gill apertures and gill pouches; no eyespots or faint; multicusps 3/3; total cusps 41-43; gill pouch 2-3 at the end of dental muscle; total slime pores 74-78 (prebranchial 18-21, branchial 0-1, trunk 48-50, tail 10-11); prebranchial length 2.0-3.0% of TL; pharyngocutaneous duct is confluent with last gill aperture; ventral aorta splitting at about 5-6 gill pouch. Colour of body whitish to light pinkish .Cross section: circular.

🌀 Behaviour

Behavioural data for Whitish hagfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 100 - 200 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
4.2±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00204 × L2.93 (TL)
Max TL
53cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Tropical
Described By
Song & Kim, 2020

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