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Okamura's chromis (Chromis okamurai) — Pomacentridae

Okamura's chromis

Chromis okamurai
Family: Pomacentridae

The Okamura's chromis (Chromis okamurai) is a saltwater fish of the family Pomacentridae that grows up to 9 cm.

Length
9.4 cm
Water
Saltwater
Depth
135–175 m
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Asia: Japan

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Description

The Okamura's chromis is a chromis (Pomacentridae) from reef water of the northwest Pacific, off East Asia. The species has an oval, laterally compressed, brownish with a pale cast body with a forked tail. As a plankton feeder it hovers in schools above coral and rock slopes and snaps at small zooplankton; when in danger the whole school dives into the coral. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Okamura's chromis?

The Okamura's chromis has a flattened, disc-shaped body and is mainly brown.

Where does the Okamura's chromis live?

The Okamura's chromis lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: Japan

How big does the Okamura's chromis get?

The Okamura's chromis grows to a maximum of about 9 cm.

Is the Okamura's chromis dangerous to humans?

No, the Okamura's chromis 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.

More photos

Okamura's chromis (Chromis okamurai) — Pomacentridae — 2
iNaturalist ((c) mken0403, some rights reserved (CC BY-NC))

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All data

Identification

English name
Okamura's chromis sourced
Scientific name
Chromis okamurai
Family
Pomacentridae
Other names
Okinawa chromis sourced

Appearance

Size class
Small verified
Max length (cm)
9.4 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Forked

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
135 verified
Max depth (m)
175 verified
Natural range
Asia: Japan sourced
Origin
Native

Behaviour & biology

Diet
Omnivore
Diet (detail)
Invertebrates, algae and detritus
Social behaviour
Schooling sourced
Territorial
No
Activity
Diurnal
Reproduction
Separate sexes
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish.
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 Chromis

More from the family Pomacentridae

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