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🌊 Marine Least Concern 🌡️ Tropical

Eustomias Variabilis

Eustomias variabilis Regan & Trewavas, 1930
Max Length
14.5 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Eustomias Variabilis (Eustomias variabilis) is a ray-finned fish of the family Stomiidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 14.5 cm. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Eustomias variabilis
Authority
Regan & Trewavas, 1930
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
14.5 cm
Trophic Level
4.2
Resilience
High
Vulnerability
26.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Eustomias
Eustomias
Species
Eustomias Variabilis
Eustomias variabilis

🐟 Physical Description

Dorsal soft rays (total): 22 - 24; Anal soft rays: 33 - 37. Body slender and elongate, color black; body depth 8-10% SL. Long, tapering, protrusible snout. Chin barbel moderately short, 18-41% SL. Barbel with slender stem and 2-4 terminal bulbs, with proximal (0.3-1.3% SL) and distal (0.6-2.1% SL) bulbs separated by a distance of 4-6.2% SL. Distal bulb bears terminal filaments 0.3-4.9% SL that either possess or lack swollen bulblets. Deep ventral groove absent. Pectoral rays free .: elongated.

🌀 Behaviour

Behavioural data for Eustomias Variabilis 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 South America.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
4.2±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.12 (TL)
Max TL
14.5cm
Dorsal Rays
23
Anal Rays
35

🌡️ 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
26.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Regan & Trewavas, 1930

🗺️ 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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