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🌊 Marine Least Concern 🌡️ Deep-water

Scaleless Black Dragonfish

Bathophilus digitatus Welsh, 1923
Max Length
17 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
75–550 m
Climate
Deep-water
Resilience
Medium
Vulnerability
24.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Scaleless Black Dragonfish (Bathophilus digitatus), first described by Welsh, 1923 is a medium-sized fish in the family Stomiidae (order Stomiiformes). Adults typically reach 17.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 75 to 550 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
Bathophilus digitatus
Authority
Welsh, 1923
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
17 cm
Depth Range
75–550 m
Latitude
36°S – 28°N
Trophic Level
4.2
Resilience
Medium
Vulnerability
24.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Bathophilus
Bathophilus
Species
Scaleless Black Dragonfish
Bathophilus digitatus

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 15; Anal spines: 0; Anal soft rays: 14. : elongated.

🌀 Behaviour

Behavioural data for Scaleless Black 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 75 - 550 m . Deep-water; 28°N - 36°S, 98°W - 154°W South Africa (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.73

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.12 (TL)
Max TL
17cm
Dorsal Rays
14
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
28°N – 36°S
Described By
Welsh, 1923

🌐 Names & Taxonomy

Language Common Names
🇬🇧English scaleless black dragonfish · Twofin Dragonfish
🌍CES svítivka prstovitá
🇫🇮Finnish siipipiikkisuu
🇯🇵Japanese Chihirohoshieso · チヒロホシエソ
🇵🇹Portuguese Peixe-dragão-americano

Scientific Synonyms

Scientific Name Author Year Status
Bathophilus longipes Regan & Trewavas 1930 Synonym
Dactylostomias digitatus Welsh 1923 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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