Cara Mengenal Pasti Atlantic Herring

Untuk mengenal pasti Atlantic Herring (Clupea harengus), perhatikan ciri-ciri utama berikut.

Ciri-ciri Fizikal

Bentuk badan

torpedo

Warna

Dorsal surface is typically dark blue to greenish-blue, transitioning to bright silvery flanks and a white ventral surface. The coloration provides effective countershading in the open ocean.

Jenis sisik

cycloid

Kedudukan mulut

terminal

Ciri tersendiri

Streamlined, fusiform body, Absence of a lateral line on the body (though neuromasts are present), Single, relatively short dorsal fin located mid-body, Deeply forked caudal fin, Ventral fins located directly below the dorsal fin, Large, easily shed cycloid scales, A series of keeled scales (scutes) along the belly, though less pronounced than in some other clupeids.

Sirip dorsal

Single, short dorsal fin with 17-21 soft rays, positioned approximately midway along the back.

Sirip ekor

Deeply forked caudal fin, highly efficient for sustained swimming.

Sirip pektoral

Relatively small, positioned low on the body, with 16-19 soft rays.

Sirip tersendiri

Pelvic fins (ventral fins) are abdominal, located directly beneath the dorsal fin, with 8-9 soft rays. Anal fin is short, located far back on the body, with 16-20 soft rays.

Petua Pengenalan

1. 1

   Body Shape and Coloration

   Look for the classic streamlined, silvery body with a darker blue-green back. This countershading is characteristic of pelagic fish.

2. 2

   Fin Placement

   Note the single dorsal fin located centrally, and the pelvic fins directly below it. The caudal fin is deeply forked.

3. 3

   Absence of Lateral Line

   Unlike many fish, the Atlantic Herring lacks a visible lateral line along its body, although sensory neuromasts are present.

4. 4

   Size

   Adults typically range from 20-38 cm (8-15 inches) in length, with some individuals reaching up to 45 cm (18 inches).

5. 5

   Scales

   The scales are relatively large and easily shed, a common characteristic among clupeids.

Terokai Atlantic Herring