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🌊 Marine Least Concern 🌡️ Deep-water

Sidefilament Dragonfish

Eustomias borealis Clarke, 2000
Max Length
14.3 cm
Max Weight
-
Lifespan
-
Trophic Level
4.3
Depth
0–950 m
Climate
Deep-water
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Sidefilament Dragonfish (Eustomias borealis), first described by Clarke, 2000 is a small fish in the family Stomiidae (order Stomiiformes). Adults typically reach 14.30 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 950 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 borealis
Authority
Clarke, 2000
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
14.3 cm
Depth Range
0–950 m
Trophic Level
4.3
Resilience
High
Vulnerability
29.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Eustomias
Eustomias
Species
Sidefilament Dragonfish
Eustomias borealis

🐟 Physical Description

Barbel with three branches arising together from stem; barbel stem pigmented only up to origin of branches; distal stem pigmented only in axis and small internal spots; terminal bulb roughly spheroidal with short streaks of pigment on the dorsal surface roughly outlining numerous unpigmented ovoids visible internally; ovoids not protruding above bulb surface; a single pair of laterally based terminal filaments on the dorsal tip of bulb and two or three medial filaments ventral to them; the dorsal pair longer, usually thicker, and with more side filaments than the medial filaments.: elongated.

🌀 Behaviour

Behavioural data for Sidefilament Dragonfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

Size at Maturity
12.8cm TL

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range 0 - 950 m . Deep-water North Atlantic: Bermuda.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water 🐟 Pelagic
Trophic Level
4.3±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.12 (TL)
Max TL
14.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
4.3
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Clarke, 2000

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Sidefilament Dragonfish
🌍CES svítivka severoatlantská
🇵🇹Portuguese Peixe-dragão-boreal

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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