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🌊 Marine Least Concern 🌡️ Deep-water

Eustomias Bituberatus

Eustomias bituberatus Regan & Trewavas, 1930
Max Length
11.7 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
0–500 m
Climate
Deep-water
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Eustomias Bituberatus (Eustomias bituberatus), first described by Regan & Trewavas, 1930 is a small fish in the family Stomiidae (order Stomiiformes). Adults typically reach 11.70 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 500 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 bituberatus
Authority
Regan & Trewavas, 1930
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
11.7 cm
Depth Range
0–500 m
Trophic Level
4.2
Resilience
High
Vulnerability
25.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Eustomias
Eustomias
Species
Eustomias Bituberatus
Eustomias bituberatus

🐟 Physical Description

Dorsal soft rays (total): 24; Anal soft rays: 38; Vertebrae: 69. Two terminal bulbs separated by an interspace (1-1.9 times length of distal bulb). Barbel very long, 95-152% SL in large specimens over 8 cm, 78% at 7 cm. Terminal filament long, up to 25% SL with 1-3 (usually 2) short branches near the base, these branches with tiny bulblets but without swollen tips. Distal bulb 1-1.7 times length of proximal bulb. Axis of stem and external chevron-shaped or roundish striated markings light to moderately pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 or 9 .: elongated.

🌀 Behaviour

Behavioural data for Eustomias Bituberatus 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 - 500 m . Deep-water Central Atlantic: the Caribbean.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.12 (TL)
Max TL
11.7cm
Dorsal Rays
24
Anal Rays
38
Vertebrae
69

🌡️ 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
25.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Regan & Trewavas, 1930

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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