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Blind swamp eel (Ophisternon infernale) — Synbranchidae

Blind swamp eel

Ophisternon infernale
Family: Synbranchidae

The Blind swamp eel (Ophisternon infernale) is a freshwater fish of the family Synbranchidae that grows up to 30 cm.

Length
30 cm
Water
Freshwater
Behaviour
Solitary
Body shape
Snake-like
Substrate
Sand / mud bottom
Danger
Harmless

Description

The blind swamp eel is a blind swamp eel (Synbranchidae) endemic to the underground waters and cenotes of the Yucatan Peninsula in Mexico. The species grows to about 30 cm and has an eel-like, almost pigmentless, pinkish-white body without pectoral fins and with strongly reduced eyes hidden under the skin. Adapted to life in total darkness it probes cave streams for small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Blind swamp eel?

The Blind swamp eel has a snake-like body and is mainly white.

Where does the Blind swamp eel live?

The Blind swamp eel lives in fresh water and is mostly found around sand or mud bottom.

How big does the Blind swamp eel get?

The Blind swamp eel grows to a maximum of about 30 cm.

Is the Blind swamp eel dangerous to humans?

No, the Blind swamp eel is harmless to humans.

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All data

Identification

Dutch name
Blinde moeraspaling sourced
English name
Blind swamp eel sourced
Scientific name
Ophisternon infernale
Family
Synbranchidae
Other names
Blind swamp eel verified

Appearance

Max length (cm)
30 sourced
Body shape
Snake-like sourced
Dominant colour
White sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Ophisternon

More from the family Synbranchidae

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