Come identificare Yellow Perch

Per identificare Yellow Perch (Perca flavescens), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Typically golden-yellow to brassy green on the sides, fading to white on the belly. Features 6-8 dark, vertical bars extending from the back to below the lateral line. Dorsal fins are olive to dark green, often with a dark blotch on the posterior end of the spiny dorsal fin. Pectoral and pelvic fins can be yellowish to orange, especially during spawning.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Two distinct dorsal fins (spiny anterior, soft-rayed posterior), 6-8 dark vertical bars on sides, Rough, ctenoid scales, Pointed snout with a moderately large mouth

Pinna dorsale

Two separate dorsal fins. The first is spiny with 12-14 strong spines. The second is soft-rayed with 12-15 soft rays.

Pinna caudale

Slightly forked caudal fin.

Pinna pettorale

Paired pectoral fins, typically with 13-15 rays.

Pinne distintive

Pelvic fins are thoracic, located directly below the pectoral fins, with one spine and 5 soft rays. Anal fin has 2 spines and 7-8 soft rays.

Consigli per l'identificazione

1. 1

   Coloration and Bars

   Look for the distinctive golden-yellow body with 6-8 prominent dark vertical bars on the sides. This is the most reliable visual identifier.

2. 2

   Dorsal Fins

   Note the two clearly separated dorsal fins: a spiny anterior fin and a soft-rayed posterior fin. The spiny dorsal fin often has a dark blotch at its rear.

3. 3

   Body Shape

   Yellow Perch have a moderately elongated, somewhat compressed body shape, typical of many percids.

4. 4

   Mouth

   The mouth is terminal and moderately large, extending to about the middle of the eye.

Esplora Yellow Perch