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Blind cave eel (Ophisternon candidum) — Synbranchidae

Blind cave eel

Ophisternon candidum
Family: Synbranchidae
VU · Vulnerable

The Blind cave eel (Ophisternon candidum) is a brackish-water fish of the family Synbranchidae that grows up to 40 cm.

Length
40 cm
Water
Brackish
Depth
0.0–3.0 m
Behaviour
Solitary
Body shape
Snake-like
Substrate
Sand / mud bottom
Danger
Harmless
Range
Oceania: Australia

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Description

The blind cave eel is a blind swamp eel (Synbranchidae) from underground water layers of the coastal plain of northwestern Australia. The species grows to about 40 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 and aquifers for small invertebrates. Through its vulnerable groundwater habitat the species is threatened. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Blind cave eel?

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

Where does the Blind cave eel live?

The Blind cave eel lives in brackish water and is mostly found around sand or mud bottom. Oceania: Australia

How big does the Blind cave eel get?

The Blind cave eel grows to a maximum of about 40 cm. On average the species is around 34 cm.

Is the Blind cave eel dangerous to humans?

No, the Blind cave eel is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

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All data

Identification

English name
Blind cave eel sourced
Scientific name
Ophisternon candidum
Family
Synbranchidae
Other names
Blind cave eel; Blind freshwater eel verified

Appearance

Size class
Medium verified
Max length (cm)
40.0 verified
Average length (cm)
34.0 verified
Body shape
Snake-like sourced
Dominant colour
White sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
3.0 verified
Natural range
Oceania: Australia sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

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 verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. 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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