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Flathead sleeper (Erotelis armiger) — Eleotridae

Flathead sleeper

Erotelis armiger
Family: Eleotridae
DD · Data Deficient

The Flathead sleeper (Erotelis armiger) is a saltwater fish of the family Eleotridae that grows up to 7 cm.

Length
7.3 cm
Water
Saltwater
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Not eaten

Description

The largescaled spinycheek sleeper is a sleeper goby of the family Eleotridae from the eastern Pacific. The species grows to about 7 cm and has an elongate, dark body that can show a greenish sheen in the light. It inhabits shallow coastal waters, estuaries and mangrove areas with sand and mud bottoms. As a small bottom predator it often lies hidden and ambushes passing small invertebrates and small fishes. Sleepers owe their name to their motionless, seemingly sleeping posture. Owing to limited data the species is assessed as Data Deficient (DD). It is harmless to humans.

Frequently asked questions

How do you recognise the Flathead sleeper?

The Flathead sleeper has an elongate, eel-like body, is mainly brown and shows a plain pattern.

Where does the Flathead sleeper live?

The Flathead sleeper lives in the sea (marine waters) and is mostly found around sand or mud bottom.

How big does the Flathead sleeper get?

The Flathead sleeper grows to a maximum of about 7 cm.

Is the Flathead sleeper dangerous to humans?

No, the Flathead sleeper is harmless to humans.

Is the Flathead sleeper edible?

The Flathead sleeper is not usually eaten.

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All data

Identification

Dutch name
Pacifische smaragdslaapgrondel sourced
English name
Flathead sleeper verified
Scientific name
Erotelis armiger
Family
Eleotridae

Appearance

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

Habitat & distribution

Water type
Saltwater 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
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 Erotelis

More from the family Eleotridae

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