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Diadromous Least Concern 🌡️ Tropical

Robust mangrove goby

Acentrogobius janthinopterus Bleeker, 1853
Max Length
12.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits mud bottoms of estuaries, marine lakes and occasionally in the vicinity of reefs . Common in marine lakes .

Scientific Name
Acentrogobius janthinopterus
Authority
Bleeker, 1853
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
12.5 cm
Trophic Level
3.4
Resilience
High
Vulnerability
23.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Gobiidae
Gobiidae
Genus
Acentrogobius
Acentrogobius
Species
Robust mangrove goby
Acentrogobius janthinopterus

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 8. Characterized by pale greyish to light brown body color with brown mottling on back; midside with horizontal row of five brown blotches or clusters of smaller spots; caudal fin with scattered iridescent green flecks and submarginal dark band; first dorsal fin spines elongate and filamentous in male; rounded caudal fin, equal or slightly longer than head; longitudinal scale series 32; predorsal scales behind eyes; fully scaled opercle; upper half of cheek scaled; depth of body 3.5-3.8 in SL .: elongated.

🌀 Behaviour

Behavioural data for Robust mangrove goby is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; reef-associated; amphidromous . Tropical Indian Ocean: Indonesia (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🪸 Reef Associated
Migration
Amphidromous
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.09 (TL)
Max TL
12.5cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Bleeker, 1853

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Amoya janthinopterus Bleeker 1853 Synonym
Creisson janthinopterus Bleeker 1853 Synonym
Gobius janthinopterus Bleeker 1853 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 7 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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