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🌊 Marine Least Concern 🌡️ Deep-water

Twinthread dragonfish

Eustomias bifilis Gibbs, 1960
Max Length
12.5 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
0–800 m
Climate
Deep-water
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Twinthread dragonfish (Eustomias bifilis), first described by Gibbs, 1960 is a small fish in the family Stomiidae (order Stomiiformes). Adults typically reach 12.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 800 metres. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Eustomias bifilis
Authority
Gibbs, 1960
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
12.5 cm
Depth Range
0–800 m
Latitude
23°S – 30°N
Trophic Level
4.1
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Eustomias
Eustomias
Species
Twinthread dragonfish
Eustomias bifilis

🐟 Physical Description

Physical description for Twinthread dragonfish is currently being compiled.

🌀 Behaviour

Behavioural data for Twinthread dragonfish 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; bathypelagic; depth range 0 - 800 m . Deep-water; 30°N - 23°S, 100°E - 154°W West Pacific: Papua New Guinea (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.1±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.12 (TL)
Max TL
12.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
4.1
Apex / Top predator
Climate Zone
Deep-water
Latitude Range
30°N – 23°S
Described By
Gibbs, 1960

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 42 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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