Home · Syngnathidae · Big-bellied seahorse
Big-bellied seahorse (Hippocampus abdominalis) — Syngnathidae

Big-bellied seahorse

Hippocampus abdominalis
Family: Syngnathidae

The Big-bellied seahorse (Hippocampus abdominalis) is a brackish-water fish of the family Syngnathidae that grows up to 35 cm.

Length
35 cm
Water
Brackish
Depth
0.0–104.0 m
Diet
Carnivore
Body shape
Irregular
Substrate
Sand / mud bottom
Danger
Harmless

Description

The Big-bellied seahorse is a seahorse (Syngnathidae) from coastal waters of southeastern Australia and New Zealand. The species grows to about 35 cm and has an upright body armoured in bony rings with a horse-like head, a prehensile tail and a tubular snout. It is one of the largest seahorses, with a conspicuously rounded belly and a yellow-brown, mottled body. It swims slowly and clings with its tail to weed, coral or seagrass and sucks in minute crustaceans. The male carries the eggs in a pouch. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Big-bellied seahorse?

The Big-bellied seahorse has an irregular in shape body and is mainly yellow-gold.

Where does the Big-bellied seahorse live?

The Big-bellied seahorse lives in brackish water and is mostly found around sand or mud bottom.

How big does the Big-bellied seahorse get?

The Big-bellied seahorse grows to a maximum of about 35 cm. On average the species is around 18 cm.

Is the Big-bellied seahorse dangerous to humans?

No, the Big-bellied seahorse is harmless to humans.

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All data

Identification

Dutch name
Dikbuik-zeepaardje sourced
English name
Big-bellied seahorse sourced
Scientific name
Hippocampus abdominalis
Family
Syngnathidae
Other names
Bigbelly seahorse; Big-belly seahorse; Eastern potbelly seahorse; Pot-bellied seahorse verified

Appearance

Size class
Medium verified
Max length (cm)
35.0 verified
Average length (cm)
18.0 verified
Body shape
Irregular sourced
Dominant colour
Yellow / gold 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)
104.0 verified
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
Yes inferred

For anglers

Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
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 Hippocampus

More from the family Syngnathidae

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