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Snake pipefish (Entelurus aequoreus) — Syngnathidae

Snake pipefish

Entelurus aequoreus
Family: Syngnathidae
LC · Least Concern

The Snake pipefish (Entelurus aequoreus) is a saltwater fish of the family Syngnathidae that grows up to 40 cm.

Length
40 cm
Water
Saltwater
Depth
5.0–100.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Snake-like
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northeast Atlantic, including the North Sea, among seaweeds and seagrass and in open water; sometimes found far out at sea.
Edibility
Not eaten

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Description

The snake pipefish is a very long, thin pipefish of the family Syngnathidae reaching about 40 cm, its smooth, almost round body strongly resembling a thin string or a snake. The body rings are barely visible and, apart from a small dorsal fin, the fins are virtually absent; the colour is yellow-brown with pale rings and a tubular snout. The species lives among weeds and seagrass and in open water of the north-eastern Atlantic and the North Sea, and is sometimes found far offshore. With its snout it sucks up small zooplankton and crustaceans. Unlike most pipefishes the male does not carry the eggs in a closed pouch but glued in a groove on the belly.

Frequently asked questions

How do you recognise the Snake pipefish?

The Snake pipefish has a snake-like body, is mainly yellow-gold and shows a horizontal stripes pattern. Very long, thin and smooth pipefish with barely visible body rings and almost no fins apart from a small dorsal fin; yellow-brown with pale rings.

Where does the Snake pipefish live?

The Snake pipefish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northeast Atlantic, including the North Sea, among seaweeds and seagrass and in open water; sometimes found far out at sea.

How big does the Snake pipefish get?

The Snake pipefish grows to a maximum of about 40 cm. On average the species is around 32 cm.

Is the Snake pipefish dangerous to humans?

No, the Snake pipefish is harmless to humans. None required: this species is harmless to humans.

Is the Snake pipefish edible?

The Snake pipefish is not usually eaten.

More photos

Snake pipefish (Entelurus aequoreus) — Syngnathidae — 2
iNaturalist ((c) Jonas Till Jäschke, some rights reserved (CC BY-NC))
Snake pipefish (Entelurus aequoreus) — Syngnathidae — 3
iNaturalist ((c) cgbolas, some rights reserved (CC BY-NC))
Snake pipefish (Entelurus aequoreus) — Syngnathidae — 4
iNaturalist ((c) Julien Preud'homme, some rights reserved (CC BY-NC))

Easily confused with

These species look like the Snake pipefish and live in the same waters.

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All data

Identification

English name
Snake pipefish verified
Scientific name
Entelurus aequoreus
Family
Syngnathidae
Other names
Snake pipefish; Snake pipe-fish; Ocean pipe-fish verified

Appearance

Size class
Medium verified
Max length (cm)
40.0 verified
Average length (cm)
32.0 verified
Body shape
Snake-like sourced
Dominant colour
Yellow / gold sourced
Pattern
Horizontal stripes sourced
Tail shape
Rounded inferred
Mouth position
Beak-shaped inferred
Lips
Thin inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Sand / mud bottom sourced
Min depth (m)
5.0 verified
Max depth (m)
100.0 verified
Natural range
Northeast Atlantic, including the North Sea, among seaweeds and seagrass and in open water; sometimes found far out at sea. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Small zooplankton and small crustaceans sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
Yes verified
Seasonality
Spawns in summer; unlike most pipefishes the male does not carry the eggs in a closed pouch but glued onto his belly. sourced
Special features
Very long, thin and smooth pipefish with barely visible body rings and almost no fins apart from a small dorsal fin; yellow-brown with pale rings. 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 sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

More from the family Syngnathidae

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