Come identificare Alborella

Per identificare Alborella (Alburnus arborella), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Dorsal side is typically greenish-brown to olive, fading to brilliant silvery flanks and a white belly. Fins are generally translucent or slightly yellowish. A distinct silvery lateral stripe is often present.

Tipo di squame

cycloid

Posizione della bocca

terminal

Caratteristiche distintive

Slender, compressed body, Large, easily shed scales, Terminal mouth, slightly upturned, Prominent lateral line

Pinna dorsale

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

Pinna caudale

Deeply forked, with pointed lobes.

Pinna pettorale

Relatively long, reaching or nearly reaching the base of the pelvic fins.

Pinne distintive

All fins are generally translucent, sometimes with a yellowish tint, lacking any prominent spots or markings.

Consigli per l'identificazione

1. 1

   Body Shape and Coloration

   Look for a slender, silvery body with a greenish-brown back. The lateral line is usually very distinct and straight.

2. 2

   Mouth Position

   The mouth is terminal and slightly upturned, indicating its surface-feeding habits.

3. 3

   Fin Placement

   The dorsal fin is positioned slightly behind the pelvic fins, a key characteristic for distinguishing it from some similar species.

4. 4

   Scale Size

   Alborella have relatively large, easily detachable scales, which can be a useful field identification feature.

Esplora Alborella