The One-spot halftooth (Hemiodus unimaculatus) is a freshwater fish of the family Hemiodontidae that grows up to 33 cm.
Description
Hemiodus unimaculatus is a slender characin of the family Hemiodontidae from northern South America. The species has a streamlined, silvery body with a conspicuous round dark spot on the flank and a stripe running to the lower caudal lobe, and reaches about 33 cm. It occurs in fast-flowing rivers with a rocky bottom and is abundant in the lower reaches. As a detritus and aufwuchs feeder it feeds on detritus and periphyton from the bottom and surfaces. It matures at about 11 cm and spawns in the rainy season. The species is of limited local fishery importance and is sometimes found in the aquarium trade.
Frequently asked questions
How do you recognise the One-spot halftooth?
The One-spot halftooth has a torpedo-shaped body, is mainly silver-grey and shows a spots pattern.
Where does the One-spot halftooth live?
The One-spot halftooth lives in fresh water and is mostly found around mixed bottom.
How big does the One-spot halftooth get?
The One-spot halftooth grows to a maximum of about 33 cm.
Is the One-spot halftooth dangerous to humans?
No, the One-spot halftooth is harmless to humans.
Is the One-spot halftooth edible?
The One-spot halftooth is rarely eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Hemiodus
More from the family Hemiodontidae
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