Fin's Fish Guide
The Harlequin shark (Labeo cyclorhynchus) is a freshwater fish of the family Cyprinidae that grows up to 16 cm.
Description
Labeo cyclorhynchus is an African cyprinid from the Congo basin, known in the aquarium hobby as the 'harlequin shark'. The species has a streamlined, dark body with an irregular, light marbling and reaches about 16 cm. Characteristic is the downward-facing, sucker-like mouth with fleshy lips, with which the fish scrapes algae and growth from stones and the bottom. It is a territorial, bottom-oriented species inhabiting fast-flowing, rocky river stretches. It is collected for the aquarium trade and is also of local fishery importance.
Frequently asked questions
How do you recognise the Harlequin shark?
The Harlequin shark has an elongate, eel-like body, is mainly black and shows a marbled pattern. Sucker mouth with fleshy lips to scrape off biofilm; territorial; known in the hobby as 'harlequin shark'.
Where does the Harlequin shark live?
The Harlequin shark lives in fresh water and is mostly found around mixed bottom. Freshwater of the Congo basin in Central Africa.
How big does the Harlequin shark get?
The Harlequin shark grows to a maximum of about 16 cm.
Is the Harlequin shark dangerous to humans?
No, the Harlequin shark is harmless to humans. None required: this species is harmless to humans.
Is the Harlequin shark edible?
Yes, the Harlequin shark is commonly eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Labeo
More from the family Cyprinidae
Want the complete picture on the Harlequin shark?
Point your camera at the fish and Fin names the species in seconds. Free, and the Harlequin shark is one of 12,519 species in the app.