Fin's Fish Guide
The Slender gudgeon (Squalidus gracilis) is a freshwater fish of the family Cyprinidae that grows up to 16 cm.
East Asia; Japan and the Korean peninsula; middle and lower reaches of rivers with sandy and pebbly bottoms.
Description
The slender gudgeon is a small East Asian cyprinid of the genus Squalidus. The species grows to about 16 cm and has a slender, silvery body with a pair of short barbels at the mouth. It inhabits gently flowing middle and lower reaches of rivers, over sandy and pebbly bottoms. As an omnivore it searches the bottom for small invertebrates, algae and detritus. It lives in small groups and is prey for larger fishes. Owing to its small size the species is of little fishery interest and is harmless to humans.
Frequently asked questions
How do you recognise the Slender gudgeon?
The Slender gudgeon has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Slender body with a pair of short barbels; bottom forager above sandy and pebbly bottoms.
Where does the Slender gudgeon live?
The Slender gudgeon lives in fresh water and is mostly found around mixed bottom. East Asia; Japan and the Korean peninsula; middle and lower reaches of rivers with sandy and pebbly bottoms.
How big does the Slender gudgeon get?
The Slender gudgeon grows to a maximum of about 16 cm.
Is the Slender gudgeon dangerous to humans?
No, the Slender gudgeon is harmless to humans. None required: this species is harmless to humans.
Is the Slender gudgeon edible?
The Slender gudgeon is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
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Status & sources
Same genus Squalidus
More from the family Cyprinidae
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Point your camera at the fish and Fin names the species in seconds. Free, and the Slender gudgeon is one of 12,519 species in the app.