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Bluespotted flathead (Platycephalus caeruleopunctatus) — Platycephalidae

Bluespotted flathead

Platycephalus caeruleopunctatus

The Bluespotted flathead (Platycephalus caeruleopunctatus) is a brackish-water fish of the family Platycephalidae that grows up to 45 cm.

Length
45 cm
Water
Brackish
Depth
40.0–100.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Southwest Pacific; continental shelf, inshore and estuaries off the east coast of Australia.
Edibility
Commonly eaten

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Description

The eastern bluespotted flathead is a bottom fish of the flathead family (Platycephalidae) from the south-western Pacific off the east coast of Australia. The species grows to about 45 cm and has a strongly flattened head and an elongate, sand-coloured body with blue spots, excellent camouflage on the bottom. It lives on the continental shelf, inshore and in estuaries, where it hides half-buried. As an ambush predator it seizes passing small fishes and crustaceans. The eastern bluespotted flathead is a valued sport and food fish. Handle the head spines with care; otherwise it is harmless to humans.

Frequently asked questions

How do you recognise the Bluespotted flathead?

The Bluespotted flathead has an elongate, eel-like body, is mainly brown and shows a spots pattern. Strongly flattened head and small blue spots; ambush predator that buries itself half in the sand.

Where does the Bluespotted flathead live?

The Bluespotted flathead lives in brackish water and is mostly found around sand or mud bottom. Southwest Pacific; continental shelf, inshore and estuaries off the east coast of Australia.

How big does the Bluespotted flathead get?

The Bluespotted flathead grows to a maximum of about 45 cm.

Is the Bluespotted flathead dangerous to humans?

No, the Bluespotted flathead is harmless to humans. None required: this species is harmless to humans.

Is the Bluespotted flathead edible?

Yes, the Bluespotted flathead is commonly eaten.

More photos

Bluespotted flathead (Platycephalus caeruleopunctatus) — Platycephalidae — 2
Wikimedia Commons — Matt Rees (CC BY 3.0)
Bluespotted flathead (Platycephalus caeruleopunctatus) — Platycephalidae — 3
iNaturalist ((c) Bryce Watts-Parker, some rights reserved (CC BY))
Bluespotted flathead (Platycephalus caeruleopunctatus) — Platycephalidae — 4
iNaturalist ((c) Robin Laws-Wall, some rights reserved (CC BY-NC))
Bluespotted flathead (Platycephalus caeruleopunctatus) — Platycephalidae — 5
iNaturalist ((c) John Sear, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Bluespotted flathead verified
Scientific name
Platycephalus caeruleopunctatus
Family
Platycephalidae
Other names
Blue-spotted flathead; Drift flathead; Eastern blue-spot flathead; Long-nosed flathead; Red flathead; Red spotted flathead; Sand flathead; Yank verified

Appearance

Size class
Large verified
Max length (cm)
45.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Spots inferred
Tail shape
Straight inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
40.0 verified
Max depth (m)
100.0 verified
Natural range
Southwest Pacific; continental shelf, inshore and estuaries off the east coast of Australia. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes and crustaceans sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Strongly flattened head and small blue spots; ambush predator that buries itself half in the sand. sourced

For anglers

Edibility
Commonly eaten sourced
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

Same genus Platycephalus

More from the family Platycephalidae

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