Diadromous
Least Concern
🌡️ Tropical
Bearded flathead goby
Glossogobius bicirrhosus Weber, 1894
📖 Overview
Adults inhabit tidal creeks and river mouths, usually in brackish water, but occasionally penetrate fresh water .
Scientific Name
Glossogobius bicirrhosus
Authority
Weber, 1894
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
9 cm
Latitude
20°S – 19°N
Trophic Level
3.5
Resilience
High
Vulnerability
22.00/100
Migration
Amphidromous
Salinity
30–40 ppt
🔬 Taxonomy
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Gobiidae
Gobiidae
Genus
Glossogobius
Glossogobius
Species
Bearded flathead goby
Glossogobius bicirrhosus
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. : elongated.
🌀 Behaviour
Behavioural data for Bearded flathead 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; demersal; amphidromous . Tropical; 25°C - ? ; 19°N - 20°S
🌿 Ecology
Zone Preferences
🌊 Marine
💧 Freshwater
🌿 Brackish
⬇️ Benthic
Migration
Amphidromous
Trophic Level
3.5±0.4
📐 Morphometrics
Length–Weight Relationship:
W = 0.00741 × L3.09
(TL)
Max TL
9cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
8
🌡️ 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
22.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
19°N
–
20°S
Described By
Weber, 1894
🔍 Similar Species
✕
‹
![]()
›
👥 Community & Contribute
Aquareap Community Observations
No observations yet - be the first to log one!
View all observations for Bearded flathead goby ↗Suggest an Edit
Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Report an Issue
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.