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🌊 Marine Least Concern 🌡️ Tropical

Simplebulb Dragonfish

Eustomias simplex Regan & Trewavas, 1930
Max Length
22.4 cm
Max Weight
-
Lifespan
-
Trophic Level
4.5
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Simplebulb Dragonfish (Eustomias simplex), first described by Regan & Trewavas, 1930 is a medium-sized fish in the family Stomiidae (order Stomiiformes). Adults typically reach 22.40 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical 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 simplex
Authority
Regan & Trewavas, 1930
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
22.4 cm
Latitude
34°S – 37°N
Trophic Level
4.5
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Eustomias
Eustomias
Species
Simplebulb Dragonfish
Eustomias simplex

🐟 Physical Description

Dorsal soft rays (total): 23 - 26; Anal soft rays: 32 - 36. Barbel with a single terminal bulb. Without appendages on either the bulb or stem of the barbel .: elongated.

🌀 Behaviour

Behavioural data for Simplebulb 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; pelagic-oceanic. Tropical; 37°N - 34°S known from the Indian and Pacific Oceans (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
4.5±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.12 (TL)
Max TL
22.4cm
Dorsal Rays
25
Anal Rays
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
37°N – 34°S
Described By
Regan & Trewavas, 1930

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Simplebulb Dragonfish
🌍CES svítivka prostá
🇫🇮Finnish viiksipiikkisuu
🇵🇹Portuguese Peixe-dragão-do-Indo-Pacífico

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 20 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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