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🌊 Marine Vulnerable 🌡️ Tropical

Gobius Tetrophthalmus

Gobius tetrophthalmus Brito & Miller, 2001
Max Length
7.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
7–25 m
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found most commonly on mixed coralline algae, but also on open sand and rock substrata, often with Gnatholepis thompsoni .

Scientific Name
Gobius tetrophthalmus
Authority
Brito & Miller, 2001
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
7.8 cm
Depth Range
7–25 m
Trophic Level
3.1
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 12 - 13; Anal spines: 1; Anal soft rays: 12. Anterior nostril with single triangular or more elongate tentacle, posterior nostril pore-like, with slightly raised edges; angle of jaws below anterior edge of pupil; upper lip with equal to or slightly narrower than preorbital width; teeth caniniform, in three or four rows medially with outer and inner somewhat enlarged . Body pale brown with several dark brown blotches interspersed with pale saddles along dorsal midline, variously sized dark blotches along lateral midline; fine horizontal striae sometimes evident along the body; snout with antrorse V-like dark mark .: fusiform / normal.

🌀 Behaviour

Behavioural data for Gobius Tetrophthalmus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; demersal; depth range 7 - 25 m . Tropical Central Atlantic: known only from Cape Verde.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
7.8cm
Dorsal Spines
7
Dorsal Rays
13
Anal Spines
1
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Brito & Miller, 2001

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