Come identificare Discus

Per identificare Discus (Symphysodon aequifasciatus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

compressed

Colorazione

Highly variable, ranging from shades of green, blue, brown, and red, often with vertical stress bars and intricate patterns of spots, stripes, or marbling. Wild forms typically exhibit more subdued green, brown, or blue hues with nine prominent vertical stress bars.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Laterally compressed, disc-shaped body, Small mouth, Large eyes, Elongated dorsal and anal fins that extend almost to the caudal fin, Nine prominent vertical stress bars (often visible or can be intensified by stress or excitement)

Pinna dorsale

Long and continuous, extending from just behind the head to the caudal peduncle, with 9-14 spines and 27-35 soft rays.

Pinna caudale

Rounded to slightly emarginate, typically with 14-16 rays.

Pinna pettorale

Small and rounded, positioned just behind the operculum.

Pinne distintive

Pelvic fins are elongated and filamentous, often used for tactile exploration and communication.

Consigli per l'identificazione

1. 1

   Body Shape

   Look for the characteristic highly compressed, circular to oval body shape, which gives it its 'discus' name.

2. 2

   Coloration and Patterns

   Observe the base color (green, blue, brown) and the presence of nine vertical stress bars. Wild-caught specimens often have iridescent blue or green markings on the head and fins, and red spots or lines on the body.

3. 3

   Fin Structure

   Note the long, continuous dorsal and anal fins that almost meet the caudal fin, and the elongated, filamentous pelvic fins.

4. 4

   Eye Size

   Discus have relatively large eyes compared to their head size.

Esplora Discus