Come identificare Vairone

Per identificare Vairone (Telestes muticellus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Dorsal side is typically dark olive-green to brownish, fading to silvery-white on the flanks and belly. A distinct dark lateral stripe often runs from the operculum to the caudal peduncle, sometimes more pronounced in juveniles or during spawning. Fins are generally translucent or slightly yellowish.

Tipo di squame

cycloid

Posizione della bocca

subterminal

Caratteristiche distintive

Relatively small, subterminal mouth., Absence of barbels., Lateral line complete, with 50-60 scales., Typically 8-9 branched rays in the dorsal fin and 8-10 in the anal fin.

Pinna dorsale

Single, relatively short dorsal fin positioned midway along the back, with 3 unbranched and 8-9 branched rays.

Pinna caudale

Forked caudal fin, moderately emarginate.

Pinna pettorale

Paired pectoral fins are relatively small.

Pinne distintive

Pelvic fins are abdominal, positioned below the dorsal fin. All fins are generally rounded at their tips.

Consigli per l'identificazione

1. 1

   Body Shape and Size

   Elongated, slender body, typically reaching 10-20 cm in length, with a maximum recorded size of about 25 cm.

2. 2

   Mouth Position

   Small, subterminal mouth, lacking barbels, which distinguishes it from many other cyprinids.

3. 3

   Lateral Line

   Complete lateral line with 50-60 scales, often with a dark stripe running along it.

4. 4

   Fin Ray Count

   Dorsal fin with 3 unbranched and 8-9 branched rays; anal fin with 3 unbranched and 8-10 branched rays. These counts can be crucial for species differentiation.

5. 5

   Coloration

   Dark olive-green to brownish back, silvery flanks, and a whitish belly. A dark lateral stripe is often present.

Esplora Vairone