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New Zealand sand flounder (Rhombosolea plebeia) — Pleuronectidae

New Zealand sand flounder

Rhombosolea plebeia

The New Zealand sand flounder (Rhombosolea plebeia) is a saltwater fish of the family Pleuronectidae that grows up to 43 cm.

Length
43 cm
Water
Saltwater
Depth
22.0–100.0 m
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Oceania: New Zealand
Edibility
Commonly eaten

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Description

The New Zealand sand flounder is a flatfish (Pleuronectidae) from coastal and estuarine water around New Zealand. The species grows to about 45 cm and has a flattened, diamond-shaped body with both eyes on the right side; the upper side is sandy-brown speckled and matches the bottom, the underside is white. As a bottom-dweller it lies buried on sand and mud bottoms and snaps at worms, small crustaceans and molluscs. The fish is harmless to humans and a valued food fish.

Frequently asked questions

How do you recognise the New Zealand sand flounder?

The New Zealand sand flounder has a flattened, disc-shaped body, is mainly brown and shows a spots pattern.

Where does the New Zealand sand flounder live?

The New Zealand sand flounder lives in the sea (marine waters) and is mostly found around sand or mud bottom. Oceania: New Zealand

How big does the New Zealand sand flounder get?

The New Zealand sand flounder grows to a maximum of about 43 cm. On average the species is around 30 cm.

Is the New Zealand sand flounder dangerous to humans?

No, the New Zealand sand flounder is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the New Zealand sand flounder edible?

Yes, the New Zealand sand flounder is commonly eaten.

More photos

New Zealand sand flounder (Rhombosolea plebeia) — Pleuronectidae — 2
iNaturalist ((c) Sebastian Doak, some rights reserved (CC BY))
New Zealand sand flounder (Rhombosolea plebeia) — Pleuronectidae — 3
iNaturalist (no rights reserved)
New Zealand sand flounder (Rhombosolea plebeia) — Pleuronectidae — 4
Wikimedia Commons — Edgar Ravenswood Waite (Public domain)
New Zealand sand flounder (Rhombosolea plebeia) — Pleuronectidae — 5
iNaturalist ((c) Sam Moynan, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
New Zealand sand flounder sourced
Scientific name
Rhombosolea plebeia
Family
Pleuronectidae
Other names
New Zealand flounder; Sand flounder; Dab verified

Appearance

Size class
Large verified
Max length (cm)
43.0 verified
Average length (cm)
30.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
22.0 verified
Max depth (m)
100.0 verified
Natural range
Oceania: New Zealand sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Edibility
Commonly eaten inferred
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
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Rhombosolea

More from the family Pleuronectidae

Fin

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