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Mangrove goby (Acentrogobius janthinopterus) — Gobiidae

Mangrove goby

Acentrogobius janthinopterus
Family: Gobiidae
LC · Least Concern

The Mangrove goby (Acentrogobius janthinopterus) is a fish that lives in both fresh and salt water of the family Gobiidae that grows up to 13 cm.

Length
12.5 cm
Water
Euryhaline
Depth
0–? m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Edibility
Not eaten

Description

The robust mangrove goby is a goby of the Indo-Pacific, ranging from the eastern Indian Ocean to Japan and the Philippines. It grows to about 12.5 cm and has an elongate, pale grey to light brown body with brown mottling on the back and five dark blotches along the flank; iridescent green flecks mark the caudal fin. The fish has two separate dorsal fins, with the front spines drawn out into filaments in males. It lives on mud bottoms of estuaries, mangroves and marine lakes and tolerates salt, brackish and fresh water. The species is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Mangrove goby?

The Mangrove goby has an elongate, eel-like body, is mainly brown and shows a spots pattern.

Where does the Mangrove goby live?

The Mangrove goby lives in both fresh and salt water and is mostly found around stony or rocky ground.

How big does the Mangrove goby get?

The Mangrove goby grows to a maximum of about 13 cm.

Is the Mangrove goby dangerous to humans?

No, the Mangrove goby is harmless to humans.

Is the Mangrove goby edible?

The Mangrove goby is not usually eaten.

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All data

Identification

Dutch name
Robuuste mangrovegrondel verified
English name
Mangrove goby verified
Scientific name
Acentrogobius janthinopterus
Family
Gobiidae
Other names
Robust mangrove goby verified

Appearance

Size class
Small verified
Max length (cm)
12.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Spots sourced
Tail shape
Rounded inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Euryhaline sourced
Substrate
Stone or rock sourced
Min depth (m)
0 sourced
Origin
Native verified

Behaviour & biology

Diet
Carnivore inferred
Social behaviour
Solitary inferred
Territorial
Yes inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Acentrogobius

More from the family Gobiidae

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