Geographical distribution
Northeastern Spain: Ebro and neighbouring Cantabrian drainages. No French presence is established here.
- Documented presence : eastern Cantabrian slope and Ebro drainage
Documented areas, not an exhaustive list. Presence in a region does not imply presence in every water body or permission to fish.
Distribution sources
Identification
Slightly pointed snout; rostral cap visible from below. Confirm using a key to the genus.
Habitat
Fast-flowing reaches, but tolerates still water.
Diet
It feeds on diatoms found on the bottom.
Behaviour
Moves upstream to spawn.
Fishing context and precautions
In Aragon, Parachondrostoma miegii is not among the native species declared fishable in 2026. Do not target it; an incidental catch must be returned immediately at the same place, causing as little damage as possible.
A distinctive feature
Its horny lip is curved, unlike the straight lip of Iberian nase.
Sources and review
Each reference includes its access date. Overall editorial review: . Local conditions and regulations may change.