Come identificare Rainbow Parrotfish

Per identificare Rainbow Parrotfish (Scarus guacamaia), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Adults exhibit striking coloration. Initial phase (IP) individuals are typically reddish-brown to purplish-brown with lighter undersides, often with indistinct darker bars. Terminal phase (TP) males are predominantly dark green to bluish-green dorsally, fading to lighter green or yellowish-green ventrally. The head is often marked with iridescent blue-green lines radiating from the eyes and mouth. The caudal fin is typically blue-green with reddish or purplish margins. Juveniles are generally duller, often mottled brown or grey.

Tipo di squame

cycloid

Posizione della bocca

terminal

Caratteristiche distintive

Large size, reaching up to 1.2 meters (4 feet) in total length and weighing over 20 kg (44 lbs)., Fused teeth forming a parrot-like beak, characteristic of the family Scaridae., Prominent hump on the forehead of large terminal phase males., Distinctive coloration patterns, especially in terminal phase males.

Pinna dorsale

9 spines, 10 soft rays; continuous, relatively low.

Pinna caudale

Large, emarginate to slightly lunate in adults, often with elongated lobes in large males.

Pinna pettorale

15-16 rays; relatively large and fan-like.

Pinne distintive

Pelvic fins are thoracic, with 1 spine and 5 soft rays. Anal fin has 3 spines and 9 soft rays.

Consigli per l'identificazione

1. 1

   Size

   One of the largest parrotfish species; adults can exceed 1 meter in length.

2. 2

   Coloration (TP Male)

   Predominantly dark green to bluish-green body with iridescent blue-green markings on the head.

3. 3

   Forehead Hump

   Large terminal phase males develop a noticeable hump on their forehead.

4. 4

   Beak

   Characteristic parrot-like beak formed by fused teeth.

Esplora Rainbow Parrotfish