Fin's Fish Guide
The Sand roller (Percopsis transmontana) is a freshwater fish of the family Percopsidae that grows up to 10 cm.
Description
The sand roller is a small freshwater fish from the Columbia basin in the northwestern United States. The species grows to about 10 cm and has a translucent, silvery body with an adipose fin, an unusual feature for this group. As a bottom-dweller it stays in calm, sandy parts of rivers and lakes and feeds on small invertebrates. The fish is harmless to humans and is assessed as Least Concern (LC) by the IUCN.
Frequently asked questions
How do you recognise the Sand roller?
The Sand roller has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Translucent body with an adipose fin; bottom-dweller of sandy areas
Where does the Sand roller live?
The Sand roller lives in fresh water and is mostly found around sand or mud bottom. Northwestern USA
How big does the Sand roller get?
The Sand roller grows to a maximum of about 10 cm. On average the species is around 7 cm.
Is the Sand roller dangerous to humans?
No, the Sand roller 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 Sand roller edible?
The Sand roller is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Percopsis
More from the family Percopsidae
Want the complete picture on the Sand roller?
Point your camera at the fish and Fin names the species in seconds. Free, and the Sand roller is one of 12,519 species in the app.