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Alligator pipefish (Syngnathoides biaculeatus) — Syngnathidae

Alligator pipefish

Syngnathoides biaculeatus
Family: Syngnathidae
LC · Least Concern

The Alligator pipefish (Syngnathoides biaculeatus) is a saltwater fish of the family Syngnathidae that grows up to 29 cm.

Length
29 cm
Water
Saltwater
Depth
0.0–10.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Snake-like
Substrate
Stone or rock
Danger
Harmless
Range
Indo-Pacific, in sheltered shallow coastal waters among algae, seagrass and floating seaweed.
Edibility
Not eaten

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Description

The alligator pipefish is a pipefish (family Syngnathidae) of the Indo-Pacific. The species reaches about 29 cm and has an elongate, angular, green to brown body with a tubular snout and a prehensile tail with which it clings to vegetation. It lives in protected shallow coastal waters among algae, seagrass and floating weeds, where it hunts small zooplankton and small crustaceans while well camouflaged. Like all pipefishes the male carries the eggs until they hatch. The species is traded dried for traditional medicine and is harmless to humans.

Frequently asked questions

How do you recognise the Alligator pipefish?

The Alligator pipefish has a snake-like body, is mainly green and shows a plain pattern. Pipefish with a prehensile tail that clings to seagrass; the male carries the eggs until they hatch.

Where does the Alligator pipefish live?

The Alligator pipefish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-Pacific, in sheltered shallow coastal waters among algae, seagrass and floating seaweed.

How big does the Alligator pipefish get?

The Alligator pipefish grows to a maximum of about 29 cm.

Is the Alligator pipefish dangerous to humans?

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

Is the Alligator pipefish edible?

The Alligator pipefish is not usually eaten.

More photos

Alligator pipefish (Syngnathoides biaculeatus) — Syngnathidae — 2
iNaturalist ((c) sercfisheries, some rights reserved (CC BY-NC))
Alligator pipefish (Syngnathoides biaculeatus) — Syngnathidae — 3
SAIAB (CC BY 4.0) via GBIF — SAIAB
Alligator pipefish (Syngnathoides biaculeatus) — Syngnathidae — 4
Wikimedia Commons — Diego Delso (CC BY-SA 4.0)
Alligator pipefish (Syngnathoides biaculeatus) — Syngnathidae — 5
iNaturalist ((c) Tsu Soo Tan, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Alligator pipefish verified
Scientific name
Syngnathoides biaculeatus
Family
Syngnathidae
Other names
Alligator pipefish; Double-ended pipefish; Double-ended pipehorse; Double-end pipehorse; Painted flute mouth; Spiraltail pipefish; Two-barbel pipe fish verified

Appearance

Size class
Medium verified
Max length (cm)
29.0 verified
Body shape
Snake-like sourced
Dominant colour
Green inferred
Pattern
Plain inferred
Mouth position
Beak-shaped inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
10.0 verified
Natural range
Indo-Pacific, in sheltered shallow coastal waters among algae, seagrass and floating seaweed. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small zooplankton and small crustaceans sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Pipefish with a prehensile tail that clings to seagrass; the male carries the eggs until they hatch. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. 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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