Come identificare Bleak

Per identificare Bleak (Alburnus alburnus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Dorsal side is dark greenish-blue to grey, flanks are bright silvery, and the belly is white. Fins are translucent, sometimes with a yellowish tint at the base.

Tipo di squame

cycloid

Posizione della bocca

superior

Caratteristiche distintive

Slender, laterally compressed body, Large, easily detachable scales, Prominent lateral line that runs straight along the body, Upward-pointing mouth

Pinna dorsale

Short, with 2-3 unbranched and 7-9 branched rays, originating behind the pelvic fins.

Pinna caudale

Deeply forked, with pointed lobes.

Pinna pettorale

Relatively long, reaching or nearly reaching the pelvic fin origin.

Pinne distintive

All fins are generally translucent, lacking prominent markings.

Consigli per l'identificazione

1. 1

   Body Shape and Coloration

   Look for a slender, silvery body with a darker back and white belly. The scales are large and reflective.

2. 2

   Mouth Position

   The mouth is distinctly upturned, indicating its surface-feeding habits.

3. 3

   Lateral Line

   The lateral line is complete and runs straight along the middle of the body, not curving significantly.

4. 4

   Fin Placement

   The dorsal fin originates behind the pelvic fins, a key characteristic for distinguishing it from some similar cyprinids.

Esplora Bleak