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🌊 Marine Least Concern 🌡️ Subtropical

Prison goby

Caffrogobius gilchristi Boulenger, 1898
Max Length
15 cm
Max Weight
Lifespan
Trophic Level
3.6
Depth
Climate
Subtropical
Resilience
High
Vulnerability
25.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Prison goby (Caffrogobius gilchristi) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 15 cm. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Caffrogobius gilchristi
Authority
Boulenger, 1898
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
15 cm
Trophic Level
3.6
Resilience
High
Vulnerability
25.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 11 - 12; Anal spines: 1; Anal soft rays: 9 - 10. Body with thin dark bars; pectoral base dusky .: fusiform / normal.

🌀 Behaviour

Behavioural data for Prison goby is currently being reviewed.

🦐 Diet

Diet information for Prison goby is currently being compiled.

🥚 Reproduction

Size at Maturity
5cm TL

🌍 Habitat & Distribution

Marine; brackish; demersal. Subtropical Southeast Atlantic: Mozambique Island to Table Bay, South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.6±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00933 × L3.13 (TL)
Max TL
15cm
Dorsal Spines
7
Dorsal Rays
12
Anal Spines
1
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Boulenger, 1898

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