Come identificare Royal Gramma

Per identificare Royal Gramma (Gramma loreto), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

The anterior half of the body is a vibrant purple or magenta, transitioning abruptly to a bright yellow on the posterior half, including the caudal fin. A distinct black spot is present on the anterior dorsal fin, and a black stripe runs from the snout through the eye.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Sharp bicolored demarcation (purple/magenta to yellow), Black spot on the anterior dorsal fin, Black stripe through the eye

Pinna dorsale

Single dorsal fin with 12-13 spines and 9-10 soft rays. The anterior portion is often darker, featuring the characteristic black spot.

Pinna caudale

Rounded caudal fin, typically yellow.

Pinna pettorale

Small, clear to yellowish pectoral fins.

Pinne distintive

Pelvic fins are elongated and often purple, extending beyond the anal fin origin.

Consigli per l'identificazione

1. 1

   Coloration

   The abrupt transition from purple/magenta to yellow is the most definitive identification feature. No other common reef fish shares this exact bicolored pattern.

2. 2

   Black Spot and Stripe

   The prominent black spot on the dorsal fin and the black stripe through the eye are consistent markers.

3. 3

   Swimming Behavior

   Its tendency to swim upside down or sideways under ledges is a unique behavioral trait that aids in identification.

4. 4

   Size

   Adults typically reach a maximum size of 8 cm (3 inches) in total length.

Esplora Royal Gramma