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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Subtropical

Mangrove goby

Acentrogobius audax Smith, 1959
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits shallow estuaries with freshwater run-off or lower reaches of rivers on mud banks. Small groups were observed sitting on the bottom as tides were coming in, quickly diving into the mud when approached .

Scientific Name
Acentrogobius audax
Authority
Smith, 1959
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
10 cm
Trophic Level
3.4
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 5; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 9. Dark bar on caudal peduncle and on caudal base .: fusiform / normal.

🌀 Behaviour

Behavioural data for Mangrove goby 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; brackish; demersal. Subtropical; 25°C - ? South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
10cm
Dorsal Spines
5
Dorsal Rays
9
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Smith, 1959

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