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Smalleyed spaghetti eel (Pythonichthys microphthalmus) — Heterenchelyidae

Smalleyed spaghetti eel

Pythonichthys microphthalmus

The Smalleyed spaghetti eel (Pythonichthys microphthalmus) is a saltwater fish of the family Heterenchelyidae that grows up to 51 cm.

Length
50.5 cm
Water
Saltwater
Depth
40.0–150.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Snake-like
Substrate
Sand / mud bottom
Danger
Harmless
Range
Eastern Atlantic along the coast of West Africa, buried in muddy and silty bottoms of coastal water.
Edibility
Not eaten

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Description

The smalleyed spaghetti eel is a worm-like marine eel of the family Heterenchelyidae (mud eels) reaching about 50 cm. The round, red-brown, scaleless body has very small eyes embedded in the skin and a loose, thick skin; the fins are greatly reduced. The species lives permanently buried in mud and silt bottoms of coastal water along the West African coast, where it digs tunnels and rarely emerges. In the mud it searches for worms and small crustaceans. Like all eels it has a transparent, ribbon-shaped larval stage (leptocephalus) that drifts in open water. Because of its hidden, burrowing lifestyle it is only rarely seen and has no fishery value.

Frequently asked questions

How do you recognise the Smalleyed spaghetti eel?

The Smalleyed spaghetti eel has a snake-like body, is mainly brown and shows a plain pattern. Worm-shaped, red-brown mud eel with very small eyes and a loose, thick skin; lives buried in soft bottoms.

Where does the Smalleyed spaghetti eel live?

The Smalleyed spaghetti eel lives in the sea (marine waters) and is mostly found around sand or mud bottom. Eastern Atlantic along the coast of West Africa, buried in muddy and silty bottoms of coastal water.

How big does the Smalleyed spaghetti eel get?

The Smalleyed spaghetti eel grows to a maximum of about 51 cm.

Is the Smalleyed spaghetti eel dangerous to humans?

No, the Smalleyed spaghetti eel is harmless to humans. None required: this species is harmless to humans.

Is the Smalleyed spaghetti eel edible?

The Smalleyed spaghetti eel is not usually eaten.

More photos

Smalleyed spaghetti eel (Pythonichthys microphthalmus) — Heterenchelyidae — 2
Wikimedia Commons — Charles Tate Reagan (Public domain)
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All data

Identification

English name
Smalleyed spaghetti eel verified
Scientific name
Pythonichthys microphthalmus
Family
Heterenchelyidae
Other names
Shorttailed shortfaced eel sourced

Appearance

Size class
Large verified
Max length (cm)
50.5 verified
Body shape
Snake-like verified
Dominant colour
Brown sourced
Pattern
Plain sourced
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Sand / mud bottom verified
Min depth (m)
40.0 verified
Max depth (m)
150.0 verified
Natural range
Eastern Atlantic along the coast of West Africa, buried in muddy and silty bottoms of coastal water. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Worms and small crustaceans from the mud sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Hidden, burrowing bottom-dweller; like all eels it has a transparent, ribbon-shaped larval stage (leptocephalus). sourced
Special features
Worm-shaped, red-brown mud eel with very small eyes and a loose, thick skin; lives buried in soft bottoms. sourced

For anglers

Edibility
Not eaten verified
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
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Pythonichthys

More from the family Heterenchelyidae

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