Home · Eleotridae · Small eyed sleeper
Small eyed sleeper (Prionobutis microps) — Eleotridae

Small eyed sleeper

Prionobutis microps
Family: Eleotridae
LC · Least Concern

The Small eyed sleeper (Prionobutis microps) is a brackish-water fish of the family Eleotridae that grows up to 23 cm.

Length
23 cm
Water
Brackish
Diet
Carnivore
Behaviour
Solitary
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
From Thailand and Malaysia to northern Australia; mangrove estuaries and tidal creeks.
Edibility
Rarely eaten

Want the complete picture on the Small eyed sleeper?

Get the app

Description

The sleeper is a sleeper goby (Eleotridae) from the Indo-West Pacific. The species has a stocky body with a large head and small eyes. It inhabits brackish mangrove estuaries, tidal creeks and the lower reaches of freshwater streams. By day it keeps hidden among roots and leaf litter. As a slow ambush hunter it takes small fishes, shrimps and other invertebrates that come within reach. The species is harmless to humans.

Frequently asked questions

How do you recognise the Small eyed sleeper?

The Small eyed sleeper has a torpedo-shaped body, is mainly brown and shows a spots pattern. Large head with small eyes; slow ambush predator of mangrove estuaries and tidal creeks.

Where does the Small eyed sleeper live?

The Small eyed sleeper lives in brackish water and is mostly found around sand or mud bottom. From Thailand and Malaysia to northern Australia; mangrove estuaries and tidal creeks.

How big does the Small eyed sleeper get?

The Small eyed sleeper grows to a maximum of about 23 cm. On average the species is around 12 cm.

Is the Small eyed sleeper dangerous to humans?

No, the Small eyed sleeper is harmless to humans. None required: this species is harmless to humans.

Is the Small eyed sleeper edible?

The Small eyed sleeper is rarely eaten.

Fin

Want the complete picture on the Small eyed sleeper?

Point your camera at the fish and Fin names the species in seconds. Free, and the Small eyed sleeper is one of 12,519 species in the app.

Get the app →

All data

Identification

English name
Small eyed sleeper verified
Scientific name
Prionobutis microps
Family
Eleotridae
Other names
Smalleye gudgeon; Small-eyed gudgeon; Small-eyed loter; Small-eyed sleeper verified

Appearance

Size class
Medium verified
Max length (cm)
23.0 verified
Average length (cm)
12.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown inferred
Pattern
Spots 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
Brackish sourced
Substrate
Sand / mud bottom sourced
Natural range
From Thailand and Malaysia to northern Australia; mangrove estuaries and tidal creeks. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes, crustaceans and other invertebrates sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Large head with small eyes; slow ambush predator of mangrove estuaries and tidal creeks. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

More from the family Eleotridae

Fin

Want the complete picture on the Small eyed sleeper?

Point your camera at the fish and Fin names the species in seconds. Free, and the Small eyed sleeper is one of 12,519 species in the app.

Get the app →
Is this the Small eyed sleeper? Get the app