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Tabira bitterling (Acheilognathus tabira) — Cyprinidae

Tabira bitterling

Acheilognathus tabira
Family: Cyprinidae
LC · Least Concern

The Tabira bitterling (Acheilognathus tabira) is a freshwater fish of the family Cyprinidae that grows up to 8 cm.

Length
7.9 cm
Water
Freshwater
Depth
0–40.0 m
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Algae or seagrass meadow
Danger
Harmless
Range
East Asia (Japan), in clear ponds, lakes and slow-flowing rivers with freshwater mussels.
Edibility
Not eaten

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Description

The tabira bitterling is a small, deep-bodied cyprinid of the family Acheilognathidae (bitterlings) reaching about 8 cm. The compressed, silvery body has a bluish lengthwise stripe over the rear half; breeding males colour up vividly with blue and red-orange tints. Characteristic is the special reproduction: the female develops a long ovipositor and lays the eggs in the gill cavity of a living freshwater mussel, where the larvae grow up sheltered - a partnership between fish and mussel. The species comes from Japan and lives in clear ponds, lakes and slow-flowing rivers where such mussels occur. It eats algae, zooplankton, insect larvae and detritus. It is popular in the coldwater aquarium hobby.

Frequently asked questions

How do you recognise the Tabira bitterling?

The Tabira bitterling has a torpedo-shaped body, is mainly silver-grey and shows a horizontal stripes pattern. Small, deep-bodied cyprinid that deposits its eggs in the gill cavity of a living freshwater mussel; the male colours brightly in the spawning season.

Where does the Tabira bitterling live?

The Tabira bitterling lives in fresh water and is mostly found around algae or seagrass beds. East Asia (Japan), in clear ponds, lakes and slow-flowing rivers with freshwater mussels.

How big does the Tabira bitterling get?

The Tabira bitterling grows to a maximum of about 8 cm.

Is the Tabira bitterling dangerous to humans?

No, the Tabira bitterling is harmless to humans. None required: this species is harmless to humans.

Is the Tabira bitterling edible?

The Tabira bitterling is not usually eaten.

More photos

Tabira bitterling (Acheilognathus tabira) — Cyprinidae — 2
iNaturalist ((c) an2mc, some rights reserved (CC BY-NC))
Tabira bitterling (Acheilognathus tabira) — Cyprinidae — 3
Wikimedia Commons — Ffish.asia (CC BY 4.0)
Tabira bitterling (Acheilognathus tabira) — Cyprinidae — 4
iNaturalist ((c) a_t_jordani, some rights reserved (CC BY-NC))
Tabira bitterling (Acheilognathus tabira) — Cyprinidae — 5
iNaturalist ((c) wataka_1883, some rights reserved (CC BY-NC))
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All data

Identification

English name
Tabira bitterling verified
Scientific name
Acheilognathus tabira
Family
Cyprinidae
Other names
Northern red tabira bitterling; Red tabira bitterling; Southern red tabira bitterling; Blotched tabira bitterling verified

Appearance

Size class
Small verified
Max length (cm)
7.9 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Horizontal stripes sourced
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
Yes verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Freshwater verified
Substrate
Algae or seagrass meadow verified
Max depth (m)
40.0 verified
Natural range
East Asia (Japan), in clear ponds, lakes and slow-flowing rivers with freshwater mussels. verified
Origin
Native verified

Behaviour & biology

Diet
Omnivore verified
Diet (detail)
Algae, zooplankton, insect larvae and detritus sourced
Social behaviour
Schooling verified
Territorial
Yes verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
Yes verified
Seasonality
Spawns in spring; with a long ovipositor the female lays the eggs in the gill cavity of a living freshwater mussel. sourced
Special features
Small, deep-bodied cyprinid that deposits its eggs in the gill cavity of a living freshwater mussel; the male colours brightly in the spawning season. sourced

For anglers

Edibility
Not eaten verified
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Acheilognathus

More from the family Cyprinidae

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