Cara Mengidentifikasi Longfin Bannerfish

Untuk mengidentifikasi Longfin Bannerfish (Heniochus acuminatus), perhatikan ciri-ciri utama berikut.

Ciri Fisik

Bentuk tubuh

compressed

Warna

Predominantly white to yellowish-white body with two broad, diagonal black bands. The first band runs from the nape through the eye to the pectoral fin base, and the second from the anterior dorsal fin spines to the anal fin. The caudal fin is typically yellow.

Jenis sisik

ctenoid

Posisi mulut

terminal

Ciri khas

Extremely elongated, whip-like fourth dorsal fin spine, which can be longer than the body itself in adults., Small, protractile mouth., Small ctenoid scales.

Sirip punggung

11-12 spines, 23-25 soft rays; the 4th dorsal spine is greatly elongated.

Sirip ekor

Truncate to slightly emarginate.

Sirip dada

17-18 rays.

Sirip khas

The elongated fourth dorsal spine is the most prominent feature, giving it its common name.

Tips Identifikasi

1. 1

   Elongated Dorsal Spine

   The most definitive feature is the extremely long, whip-like fourth dorsal fin spine. This distinguishes it from most other butterflyfishes.

2. 2

   Coloration and Banding

   Its white to yellowish-white body with two prominent diagonal black bands is a key identifier. The caudal fin is typically yellow.

3. 3

   Body Shape

   Its highly compressed, disc-like body shape is characteristic of the butterflyfish family.

4. 4

   Mouth

   A small, pointed mouth is adapted for picking small invertebrates and algae from crevices.

Jelajahi Longfin Bannerfish