Jak rozpoznać Sohal Surgeonfish

Aby rozpoznać Sohal Surgeonfish (Acanthurus sohal), zwróć uwagę na te kluczowe cechy.

Cechy fizyczne

Kształt ciała

compressed

Ubarwienie

The body is predominantly dark brown to black, with prominent horizontal blue stripes running along the flanks. The dorsal and anal fins are edged in bright blue, and the caudal fin is black with a broad, bright orange-yellow band at its base, transitioning to a black posterior margin. A distinctive bright orange-yellow patch is present around the caudal peduncle, highlighting the scalpel-like spines.

Rodzaj łusek

ctenoid

Ułożenie pyska

terminal

Cechy charakterystyczne

Two prominent, sharp, scalpel-like spines (scapular spines) on each side of the caudal peduncle, which are bright orange-yellow., Striking horizontal blue stripes on a dark body., Bright blue fin margins., Orange-yellow band at the base of the caudal fin.

Płetwa grzbietowa

Single dorsal fin with VIII-IX spines and 29-31 soft rays, edged in bright blue.

Płetwa ogonowa

Lunate (crescent-shaped) caudal fin, black with a broad orange-yellow band at the base.

Płetwa piersiowa

Pectoral fins are translucent to yellowish, with 16-17 rays.

Charakterystyczne płetwy

Anal fin with III spines and 23-26 soft rays, also edged in bright blue.

Wskazówki dotyczące identyfikacji

1. 1

   Coloration and Pattern

   Look for the dark body with distinct horizontal blue stripes and the bright orange-yellow caudal peduncle and caudal fin base. The blue fin margins are also a key identifier.

2. 2

   Caudal Spines

   The two prominent, sharp, orange-yellow scalpel-like spines on each side of the caudal peduncle are unmistakable and unique to this species within its range.

3. 3

   Body Shape

   Typical surgeonfish body shape – laterally compressed, oval to disc-shaped, but with a more elongated profile compared to some other Acanthurus species.

Poznaj Sohal Surgeonfish