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Japanese snapper (Paracaesio caerulea) — Lutjanidae

Japanese snapper

Paracaesio caerulea
Family: Lutjanidae

The Japanese snapper (Paracaesio caerulea) is a saltwater fish of the family Lutjanidae that grows up to 50 cm.

Length
50 cm
Water
Saltwater
Depth
100–355 m
Diet
Carnivore
Behaviour
Schooling
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Asia: Taiwan/Ch Taipei, Japan, Ryukyu Is., New Caledonia, Ogasawara Is.
Edibility
Commonly eaten

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Description

The Japanese snapper is a deepwater snapper (Lutjanidae) from reef water of the Indo-West Pacific. The species grows to about 40 cm and has an elongate, streamlined, blue-silver body with a deeply forked tail. Unlike most snappers it is a plankton feeder that hovers in schools above deeper reef and rock slopes and snaps small zooplankton. It is a valued food fish. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Japanese snapper?

The Japanese snapper has a torpedo-shaped body and is mainly blue.

Where does the Japanese snapper live?

The Japanese snapper lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: Taiwan/Ch Taipei, Japan, Ryukyu Is., New Caledonia, Ogasawara Is.

How big does the Japanese snapper get?

The Japanese snapper grows to a maximum of about 50 cm. On average the species is around 30 cm.

Is the Japanese snapper dangerous to humans?

No, the Japanese snapper 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 Japanese snapper edible?

Yes, the Japanese snapper is commonly eaten.

More photos

Japanese snapper (Paracaesio caerulea) — Lutjanidae — 2
Randall, John E. (CC0 1.0) via GBIF — USNM

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All data

Identification

English name
Japanese snapper sourced
Scientific name
Paracaesio caerulea
Family
Lutjanidae
Other names
Japanese snapper; Fusilier verified

Appearance

Size class
Large verified
Max length (cm)
50 verified
Average length (cm)
30 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Blue sourced
Tail shape
Forked

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
100 verified
Max depth (m)
355 verified
Natural range
Asia: Taiwan/Ch Taipei, Japan, Ryukyu Is., New Caledonia, Ogasawara Is. sourced
Origin
Native

Behaviour & biology

Diet
Carnivore
Diet (detail)
Small fishes, crustaceans and invertebrates
Social behaviour
Schooling sourced
Territorial
No
Reproduction
Separate sexes
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.

For anglers

Edibility
Commonly eaten
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures.
Regulations source

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 Paracaesio

More from the family Lutjanidae

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