Come identificare Glassy Sweeper

Per identificare Glassy Sweeper (Heteropriacanthus cruentatus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

compressed

Colorazione

Typically reddish to silvery-red, often with irregular darker blotches or spots. Fins are usually reddish. Can exhibit rapid color changes depending on mood or environment, from pale pink to deep red. Juveniles may have iridescent spots.

Tipo di squame

ctenoid

Posizione della bocca

superior

Caratteristiche distintive

Very large, prominent eyes, often appearing glassy or reflective, adapted for nocturnal vision., Deep, compressed body., Large, oblique mouth with a projecting lower jaw., Rough, ctenoid scales., Pelvic fins are large and often blackish, especially in adults.

Pinna dorsale

Single dorsal fin with 10 spines and 12-14 soft rays. The spiny portion is longer than the soft-rayed portion.

Pinna caudale

Caudal fin is emarginate to slightly lunate.

Pinna pettorale

Pectoral fins are relatively small.

Pinne distintive

Pelvic fins are large, inserted anterior to the pectoral fins, and often have a dark, almost black, coloration, particularly in larger individuals. Anal fin has 3 spines and 13-15 soft rays.

Consigli per l'identificazione

1. 1

   Eyes

   The most striking feature is the exceptionally large, often reddish or glassy-looking eyes, which are disproportionately large compared to the head.

2. 2

   Body Shape and Color

   Deep, compressed body, typically reddish to silvery-red. Look for irregular darker blotches or spots on the body, which can vary in intensity.

3. 3

   Mouth

   Large, oblique mouth with a prominent, projecting lower jaw.

4. 4

   Pelvic Fins

   Relatively long pelvic fins, often with a distinct dark or blackish coloration, especially in adults.

5. 5

   Fin Ray Count

   Dorsal fin with 10 spines and 12-14 soft rays; anal fin with 3 spines and 13-15 soft rays. These counts can help distinguish it from other priacanthids.

Esplora Glassy Sweeper