Come identificare Tench

Per identificare Tench (Tinca tinca), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

compressed

Colorazione

Dorsal side typically dark olive-green to brownish-green, fading to a lighter greenish-yellow or golden on the flanks and a pale yellow or white belly. Golden varieties (Tinca tinca 'Ornata') are selectively bred for ornamental purposes.

Tipo di squame

cycloid

Posizione della bocca

terminal

Caratteristiche distintive

Small, deeply embedded scales giving a smooth appearance., Thick, leathery skin covered in a thick layer of mucus., Small, red eyes., A single, very small barbel at each corner of the mouth., Rounded fins.

Pinna dorsale

Short, high, and rounded, typically with 3-4 unbranched and 8-9 branched rays.

Pinna caudale

Broad, slightly emarginate (forked) or truncate, with 19 rays.

Pinna pettorale

Rounded and relatively small.

Pinne distintive

All fins are rounded and dark, often with a reddish tinge.

Consigli per l'identificazione

1. 1

   Body Shape and Coloration

   Look for a robust, deep-bodied fish with an olive-green to golden hue, darker on the back and lighter on the belly. The body is somewhat compressed laterally.

2. 2

   Scales and Skin

   The scales are very small and deeply embedded, giving the skin a smooth, almost scaleless appearance. The skin is covered in a thick, protective layer of mucus.

3. 3

   Eyes and Mouth

   Small, reddish-orange eyes are characteristic. The mouth is small and terminal, with a single, tiny barbel at each corner.

4. 4

   Fins

   All fins are distinctly rounded, not pointed. The caudal fin is broad and only slightly emarginate or truncate.

Esplora Tench