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Ambon gudgeon (Butis amboinensis) — Eleotridae

Ambon gudgeon

Butis amboinensis
Family: Eleotridae
LC · Least Concern

The Ambon gudgeon (Butis amboinensis) is a fish that lives in both fresh and salt water of the family Eleotridae that grows up to 14 cm.

Length
14 cm
Water
Euryhaline
Depth
0.0–5.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The Ambon gudgeon is a small sleeper goby from the Indo-West Pacific, ranging from the Philippines and Indonesia to Micronesia, Japan and the islands of the western Pacific. It grows to about 14 cm and has an olive-coloured body with a flattened head and two separate dorsal fins. It lives in fresh, brackish and marine coastal water and is amphidromous. A striking habit is hanging upside down under dead wood with its eyes facing downwards. As an ambush hunter it catches small fish, shrimp and prawns. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Ambon gudgeon?

The Ambon gudgeon has an elongate, eel-like body, is mainly brown and shows a marbled pattern.

Where does the Ambon gudgeon live?

The Ambon gudgeon lives in both fresh and salt water and is mostly found around sand or mud bottom.

How big does the Ambon gudgeon get?

The Ambon gudgeon grows to a maximum of about 14 cm.

Is the Ambon gudgeon dangerous to humans?

No, the Ambon gudgeon is harmless to humans.

Is the Ambon gudgeon edible?

The Ambon gudgeon is rarely eaten.

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All data

Identification

Dutch name
Ambonse slaapgrondel verified
English name
Ambon gudgeon verified
Scientific name
Butis amboinensis
Family
Eleotridae
Other names
Olive flathead-gudgeon verified

Appearance

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

Habitat & distribution

Water type
Euryhaline sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
5.0 verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Solitary inferred
Territorial
Yes inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. 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 Butis

More from the family Eleotridae

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