Cara Mengidentifikasi Dolphinfish

Untuk mengidentifikasi Dolphinfish (Coryphaena hippurus), perhatikan ciri-ciri utama berikut.

Ciri Fisik

Bentuk tubuh

compressed

Warna

Highly iridescent and variable. Dorsal side is typically brilliant metallic blue-green, fading to golden yellow or white on the flanks and belly. Often displays dark spots on the sides. When stressed or dying, colors can rapidly change to duller yellow-grey. Males tend to be more brightly colored.

Jenis sisik

cycloid

Posisi mulut

terminal

Ciri khas

Prominent, blunt, and vertically truncated forehead in adult males (females and juveniles have a more rounded head)., Single, long dorsal fin extending from the head almost to the caudal fin., Deeply forked caudal fin., Small, cycloid scales., Large mouth with numerous small, conical teeth.

Sirip punggung

Single, long dorsal fin with 58-66 soft rays, originating above the eye and extending nearly to the caudal fin. No spines.

Sirip ekor

Deeply forked caudal fin, often with elongated lobes.

Sirip dada

Pectoral fins are relatively short, about half the length of the head.

Sirip khas

Anal fin is long, originating about midway along the body and extending to the caudal fin, with 25-31 soft rays. Pelvic fins are thoracic.

Tips Identifikasi

1. 1

   Head Shape

   Adult males (bulls) have a very prominent, blunt, and vertically truncated forehead, giving them a distinctive 'square' head profile. Females and juveniles have a more rounded head.

2. 2

   Coloration

   Vibrant iridescent blue-green on the back, fading to golden yellow on the sides and belly. This coloration is highly variable and can change rapidly, especially when excited or stressed.

3. 3

   Dorsal Fin

   A single, long dorsal fin that runs almost the entire length of the back, from just behind the head to near the tail. It lacks spines.

4. 4

   Caudal Fin

   Deeply forked tail fin, often with elongated upper and lower lobes.

5. 5

   Size

   Can grow quite large, up to 1.5 meters (5 feet) in length and over 40 kg (90 lbs), though average sizes are smaller.

Jelajahi Dolphinfish