Come identificare Red-bellied Piranha

Per identificare Red-bellied Piranha (Pygocentrus nattereri), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

compressed

Colorazione

Adults typically exhibit a silvery-grey body with a distinct reddish-orange coloration on the belly, extending from the throat to the anal fin. The operculum (gill cover) often has a golden sheen. Juveniles are more silvery with black spots, which fade with age.

Tipo di squame

cycloid

Posizione della bocca

terminal

Caratteristiche distintive

Deep, laterally compressed body, Prognathous lower jaw with a single row of razor-sharp, triangular, interlocking teeth, Strong, muscular build, Reddish ventral coloration in adults

Pinna dorsale

Single, relatively short dorsal fin located mid-body, typically with 16-18 rays.

Pinna caudale

Caudal fin is forked, often with a dark band at the base.

Pinna pettorale

Pectoral fins are relatively small and rounded.

Pinne distintive

Adipose fin present, characteristic of characiforms.

Consigli per l'identificazione

1. 1

   Body Coloration

   Look for the distinctive reddish-orange belly in adults, contrasting with a silvery-grey body. Juveniles are more silvery with black spots.

2. 2

   Jaw and Teeth

   Observe the prominent, prognathous lower jaw and the single row of sharp, triangular, interlocking teeth, which are characteristic of Pygocentrus species.

3. 3

   Body Shape

   Note the deep, laterally compressed body shape, typical of piranhas.

4. 4

   Adipose Fin

   Presence of a small, fleshy adipose fin between the dorsal and caudal fins, a key feature of characiforms.

Esplora Red-bellied Piranha