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Bastard halibut (Paralichthys olivaceus) — Paralichthyidae

Bastard halibut

Paralichthys olivaceus
NE · Not Evaluated

The Bastard halibut (Paralichthys olivaceus) is a saltwater fish of the family Paralichthyidae that grows up to 103 cm.

Length
103 cm
Water
Saltwater
Depth
10.0–200.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northwest Pacific
Edibility
Highly prized

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Description

The bastard halibut is a large flatfish from the northwest Pacific, ranging from Japan, Sakhalin and the Kurils to Korea and the South China Sea. The species grows to about 1 metre and has a strongly flattened, asymmetric body with both eyes on the left side and a large mouth with sharp teeth. The upper side is brown with light and dark spots, as camouflage on the seabed. As a bottom-dweller the fish lives on the continental shelf between 10 and 200 metres depth and hunts fish and crustaceans. It is a highly valued food and aquaculture fish. The IUCN has not evaluated the species (NE).

Frequently asked questions

How do you recognise the Bastard halibut?

The Bastard halibut has a torpedo-shaped body, is mainly brown and shows a spots pattern. Asymmetrical flatfish with both eyes on the left and sharp teeth; valued farmed fish

Where does the Bastard halibut live?

The Bastard halibut lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northwest Pacific

How big does the Bastard halibut get?

The Bastard halibut grows to a maximum of about 103 cm.

Is the Bastard halibut dangerous to humans?

No, the Bastard halibut 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 Bastard halibut edible?

Yes, the Bastard halibut is a highly prized food fish.

More photos

Bastard halibut (Paralichthys olivaceus) — Paralichthyidae — 2
Naturalis Biodiversity Center (CC0 1.0) via GBIF
Bastard halibut (Paralichthys olivaceus) — Paralichthyidae — 3
iNaturalist ((c) 李博恒, some rights reserved (CC BY-NC))
Bastard halibut (Paralichthys olivaceus) — Paralichthyidae — 4
Wikimedia Commons — User:Vmenkov (CC BY-SA 3.0)
Bastard halibut (Paralichthys olivaceus) — Paralichthyidae — 5
iNaturalist ((c) Tse Chung Yi, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Bastard halibut verified
Scientific name
Paralichthys olivaceus
Family
Paralichthyidae
Other names
Bastard halibut; False halibut; Japanese flounder; Olive flounder verified

Appearance

Size class
Extra large verified
Max length (cm)
103.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thick / fleshy sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
10.0 verified
Max depth (m)
200.0 verified
Natural range
Northwest Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Fishes and crustaceans inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Bottom-dweller of the continental shelf; spawns in spring. sourced
Special features
Asymmetrical flatfish with both eyes on the left and sharp teeth; valued farmed fish sourced

For anglers

Edibility
Highly prized sourced
Fishing method
Bottom fishing with baitfish or lures on the continental shelf. sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
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 Paralichthys

More from the family Paralichthyidae

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