Fin's Fish Guide
The Grass-eater (Distichodus rostratus) is a freshwater fish of the family Distichodontidae that grows up to 76 cm.
Description
Distichodus rostratus is a large African fish of the family Distichodontidae from the Sahel region and West Africa. The species has a deep, laterally compressed, silvery to yellowish body with a pointed snout and fleshy lips, and can reach about 76 cm. It lives in rivers and is a markedly plant-eating species (macroherbivore): it grazes submerged water plants, the roots of water hyacinth and periphyton. Owing to its size and occurrence in large numbers the species is important for fisheries and a valued food fish. Juveniles are sometimes found in the aquarium trade for their handsome shape.
Frequently asked questions
How do you recognise the Grass-eater?
The Grass-eater has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Pronounced plant-eating macroherbivore; grazes aquatic plants and water hyacinth roots.
Where does the Grass-eater live?
The Grass-eater lives in fresh water and is mostly found around sand or mud bottom. Rivers of the Sahel region and West Africa.
How big does the Grass-eater get?
The Grass-eater grows to a maximum of about 76 cm.
Is the Grass-eater dangerous to humans?
No, the Grass-eater 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.
Is the Grass-eater edible?
Yes, the Grass-eater is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Distichodus
More from the family Distichodontidae
Want the complete picture on the Grass-eater?
Point your camera at the fish and Fin names the species in seconds. Free, and the Grass-eater is one of 12,519 species in the app.