Cara Mengenal Pasti Narrow-barred Spanish Mackerel

Untuk mengenal pasti Narrow-barred Spanish Mackerel (Scomberomorus commerson), perhatikan ciri-ciri utama berikut.

Ciri-ciri Fizikal

Bentuk badan

torpedo

Warna

Dorsal surface iridescent blue-green, fading to silvery on the flanks and belly. Juveniles and adults possess numerous narrow, wavy, vertical dark bars on their sides, which are more prominent in younger individuals and can fade in larger adults.

Jenis sisik

cycloid

Kedudukan mulut

terminal

Ciri tersendiri

Highly streamlined, fusiform body, Numerous narrow, wavy, vertical dark bars on flanks, Large, pointed head with a wide mouth, Strong, conical teeth, Lateral line with a distinct dip below the second dorsal fin

Sirip dorsal

Two dorsal fins; the first is long with 15-18 spines, the second is shorter with 15-19 soft rays, followed by 8-10 finlets. The first dorsal fin is typically dark.

Sirip ekor

Deeply forked, lunate caudal fin, characteristic of fast-swimming pelagic fish.

Sirip pektoral

Short, located high on the body, with 21-24 rays.

Sirip tersendiri

Anal fin similar in shape and size to the second dorsal fin, with 16-20 soft rays, followed by 7-10 finlets. Pelvic fins are small and located below the pectoral fins.

Petua Pengenalan

1. 1

   Body Shape

   Look for the classic torpedo-shaped, streamlined body, indicative of a fast swimmer.

2. 2

   Coloration and Markings

   The most distinguishing feature is the presence of numerous narrow, wavy, vertical dark bars on the silvery flanks. These bars are more pronounced in smaller individuals.

3. 3

   Lateral Line

   Observe the lateral line, which has a distinct and abrupt dip below the second dorsal fin.

4. 4

   First Dorsal Fin

   The first dorsal fin is typically dark or blackish, which can help differentiate it from some other mackerel species.

5. 5

   Size

   This is one of the largest Spanish mackerel species, commonly reaching lengths over 1 meter and weights exceeding 20 kg.

Terokai Narrow-barred Spanish Mackerel