Come identificare Lined Surgeonfish

Per identificare Lined Surgeonfish (Acanthurus lineatus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

compressed

Colorazione

The body is predominantly yellow to yellowish-orange, adorned with prominent horizontal black and blue stripes. The dorsal fin is typically yellow with a black margin, and the anal fin is often blue with a black margin. The caudal fin is lunate (crescent-shaped) and yellow with a black posterior margin. The head often exhibits intricate blue and black markings.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Sharp, retractable scalpel-like spine on each side of the caudal peduncle (tail base)., Elongated, compressed body., Vibrant yellow, black, and blue horizontal stripes covering the body., Lunate caudal fin.

Pinna dorsale

Single, long dorsal fin with IX spines and 27-29 soft rays. The spinous portion is continuous with the soft-rayed portion.

Pinna caudale

Lunate (crescent-shaped) caudal fin, typically yellow with a black posterior margin.

Pinna pettorale

Relatively small, fan-shaped pectoral fins with 16-17 rays.

Pinne distintive

Anal fin with III spines and 25-28 soft rays. Pelvic fins with I spine and 5 soft rays.

Consigli per l'identificazione

1. 1

   Coloration and Pattern

   Look for the unmistakable pattern of alternating bright yellow/orange and black/blue horizontal stripes along the entire body. This is the most defining characteristic.

2. 2

   Caudal Spine

   Observe the presence of a sharp, retractable spine on each side of the caudal peduncle. This 'scalpel' is characteristic of all surgeonfish (Acanthuridae).

3. 3

   Fin Coloration

   Note the yellow dorsal fin with a black margin and the blue anal fin with a black margin, contrasting with the body stripes.

4. 4

   Body Shape

   The body is laterally compressed and oval to elongated, typical of surgeonfish.

Esplora Lined Surgeonfish