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Foureye (Anableps anableps) — Anablepidae

Foureye

Anableps anableps
Family: Anablepidae
LC · Least Concern

The Foureye (Anableps anableps) is a brackish-water fish of the family Anablepidae that grows up to 30 cm.

Length
30 cm
Water
Brackish
Diet
Omnivore
Behaviour
Schooling
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The largescale four-eyed fish (Anableps anableps) is a striking fish of the family Anablepidae inhabiting coastal and brackish areas of northern South America. The species owes its name to its remarkable eyes: each eye is horizontally divided in two, so the fish can see above and below the water surface at the same time while swimming just below the surface. It lives mainly in fresh and brackish water along mangroves and lagoons, moves in schools and can remain on exposed mud at low tide. The diet consists of insects, other invertebrates, mud-dwelling diatoms and small fishes. The species is livebearing.

Frequently asked questions

How do you recognise the Foureye?

The Foureye has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern.

Where does the Foureye live?

The Foureye lives in brackish water and is mostly found around sand or mud bottom.

How big does the Foureye get?

The Foureye grows to a maximum of about 30 cm. On average the species is around 14 cm.

Is the Foureye dangerous to humans?

No, the Foureye is harmless to humans.

Is the Foureye edible?

Yes, the Foureye is commonly eaten.

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All data

Identification

Dutch name
Vieroogvis sourced
English name
Foureye verified
Scientific name
Anableps anableps
Family
Anablepidae
Other names
Foureye; Foureyed fish; Four-eyes; Largescale foureyes; Star gazer verified

Appearance

Size class
Medium verified
Max length (cm)
30.0 verified
Average length (cm)
14.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Rounded inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

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

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. 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 Anableps

More from the family Anablepidae

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