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Kyushu bitterling (Rhodeus atremius) — Cyprinidae

Kyushu bitterling

Rhodeus atremius
Family: Cyprinidae
NT · Near Threatened

The Kyushu bitterling (Rhodeus atremius) is a freshwater fish of the family Cyprinidae that grows up to 6 cm.

Length
6 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Mixed bottom
Danger
Harmless
Edibility
Not eaten

Description

The Japanese bitterling is a bitterling (Acheilognathidae) from East Asia. The species is small and laterally compressed; in the spawning season the male colours more brightly. For reproduction the female uses a long ovipositor to lay the eggs in the gill cavity of a living freshwater mussel, where the young grow up safely. It inhabits quiet, vegetated waters. It feeds on algae, detritus and small invertebrates. The species is harmless to humans.

Frequently asked questions

How do you recognise the Kyushu bitterling?

The Kyushu bitterling has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern.

Where does the Kyushu bitterling live?

The Kyushu bitterling lives in fresh water and is mostly found around mixed bottom.

How big does the Kyushu bitterling get?

The Kyushu bitterling grows to a maximum of about 6 cm.

Is the Kyushu bitterling dangerous to humans?

No, the Kyushu bitterling is harmless to humans.

Is the Kyushu bitterling edible?

The Kyushu bitterling is not usually eaten.

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All data

Identification

Dutch name
Japanse bittervoorn sourced
English name
Kyushu bitterling verified
Scientific name
Rhodeus atremius
Family
Cyprinidae

Appearance

Size class
Small verified
Max length (cm)
6.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred

For anglers

Edibility
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

Same genus Rhodeus

More from the family Cyprinidae

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