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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Subtropical

Blackthroat goby

Favonigobius melanobranchus Fowler, 1934
Max Length
8.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
0–5 m
Climate
Subtropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Blackthroat goby (Favonigobius melanobranchus), first described by Fowler, 1934 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 8.30 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 5 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Favonigobius melanobranchus
Authority
Fowler, 1934
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8.3 cm
Depth Range
0–5 m
Trophic Level
3.5
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9; Anal spines: 1; Anal soft rays: 8 - 9. Body with small spots; sides with 4-5 groups of black spots, last spot on caudal peduncle often paired and ending with a thin vertical bar at caudal fin base . Males with 6-8 dark vertical lines on belly; dorsal, anal and pelvic fins dusky to black; caudal fin with thin wavy bars and upper margin with 1-2 black spots . Females with spotted fins except for pelvic fins ; characterized further by having pelvic fins united medially; presence of pelvic frenum; rounded caudal fin; longitudinal scale series 27-28; ctenoid scales except cycloid on breast and base of pectoral fin base; predorsal scales 1-2, no scales on remainder of head; depth of body 5.8-6.2 in SL .: fusiform / normal.

🌀 Behaviour

Behavioural data for Blackthroat 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; depth range 0 - 5 m . Subtropical West Pacific (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
8.3cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Fowler, 1934

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