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Crested gudgeon (Butis koilomatodon) — Eleotridae

Crested gudgeon

Butis koilomatodon
Family: Eleotridae
LC · Least Concern

The Crested gudgeon (Butis koilomatodon) is a fish that lives in both fresh and salt water of the family Eleotridae that grows up to 11 cm.

Length
10.7 cm
Water
Euryhaline
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The mud sleeper is a sleeper goby (Eleotridae) from the Indo-West Pacific. The species has a stocky, dark-mottled body with a large head and can quickly adapt its colour to the surroundings. It inhabits rivers, estuaries and mangrove creeks, often in brackish tidal water on mud bottoms. As a slow ambush hunter it takes crustaceans and small fishes. The species is harmless to humans.

Frequently asked questions

How do you recognise the Crested gudgeon?

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

Where does the Crested gudgeon live?

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

How big does the Crested gudgeon get?

The Crested gudgeon grows to a maximum of about 11 cm.

Is the Crested gudgeon dangerous to humans?

No, the Crested gudgeon is harmless to humans.

Is the Crested gudgeon edible?

The Crested gudgeon is rarely eaten.

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All data

Identification

Dutch name
Modder-slaapgrondel sourced
English name
Crested gudgeon verified
Scientific name
Butis koilomatodon
Family
Eleotridae
Other names
Marblecheek sleeper; Mud sleeper verified

Appearance

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

Habitat & distribution

Water type
Euryhaline sourced
Substrate
Sand / mud bottom sourced
Origin
Native sourced

Behaviour & biology

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

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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