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Taiwan bitterling (Tanakia himantegus) — Cyprinidae

Taiwan bitterling

Tanakia himantegus
Family: Cyprinidae

The Taiwan bitterling (Tanakia himantegus) is a fish of the family Cyprinidae that grows up to 7 cm.

Length
7 cm
Diet
Omnivore
Activity
Diurnal
Substrate
Mixed bottom
Danger
Harmless

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Description

The Taiwan bitterling is a small cyprinid relative (Acheilognathidae) from slow-flowing fresh water of Taiwan and southeastern China. The species grows to about 7 cm and has a deep, laterally compressed, silvery body that lights up with pink and green tints in spawning males. Characteristically the female uses a long ovipositor to lay her eggs in the gill cavity of a living freshwater mussel, where the larvae grow up safely. It eats algae and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Taiwan bitterling?

The Taiwan bitterling is mainly silver-grey.

Where does the Taiwan bitterling live?

The Taiwan bitterling is mostly found around mixed bottom.

How big does the Taiwan bitterling get?

The Taiwan bitterling grows to a maximum of about 7 cm.

Is the Taiwan bitterling dangerous to humans?

No, the Taiwan bitterling 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

Taiwan bitterling (Tanakia himantegus) — Cyprinidae — 2
李博恒 (CC BY-NC 4.0) via GBIF — iNaturalist
Taiwan bitterling (Tanakia himantegus) — Cyprinidae — 3
李博恒 (CC BY-NC 4.0) via GBIF — iNaturalist
Taiwan bitterling (Tanakia himantegus) — Cyprinidae — 4
iNaturalist ((c) Yung-Lun Lin, some rights reserved (CC BY))
Taiwan bitterling (Tanakia himantegus) — Cyprinidae — 5
iNaturalist (no rights reserved)

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All data

Identification

English name
Taiwan bitterling sourced
Scientific name
Tanakia himantegus
Family
Cyprinidae

Appearance

Size class
Small
Max length (cm)
7 sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked

Habitat & distribution

Substrate
Mixed bottom sourced
Origin
Native

Behaviour & biology

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

For anglers

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 Tanakia

More from the family Cyprinidae

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