Cara Mengenal Pasti Bigeye Scad

Untuk mengenal pasti Bigeye Scad (Selar crumenophthalmus), perhatikan ciri-ciri utama berikut.

Ciri-ciri Fizikal

Bentuk badan

torpedo

Warna

Dorsal side metallic blue-green to greenish-black, fading to silvery-white on the flanks and belly. A distinct black spot is often present on the upper operculum. Fins are hyaline to dusky.

Jenis sisik

cycloid

Kedudukan mulut

terminal

Ciri tersendiri

Very large eyes, with an adipose eyelid covering most of the eye except for a central slit., Lateral line with a long anterior arch and a straight posterior section, fully covered with scutes (bony plates) posteriorly., Two separate dorsal fins., A small, detached finlet often present behind the anal fin.

Sirip dorsal

Two dorsal fins; the first with 8 spines, the second with 1 spine and 24-27 soft rays. The posterior rays of the second dorsal fin are often detached as a finlet.

Sirip ekor

Deeply forked caudal fin.

Sirip pektoral

Long and falcate (sickle-shaped), extending beyond the origin of the second dorsal fin.

Sirip tersendiri

Anal fin with 2 detached spines followed by 1 spine and 20-23 soft rays. A small, detached finlet often present behind the anal fin, mirroring the dorsal finlet.

Petua Pengenalan

1. 1

   Eyes

   The most prominent feature is the exceptionally large eye, covered by a well-developed adipose eyelid.

2. 2

   Lateral Line

   Observe the lateral line; it has a distinct arch anteriorly and a straight posterior section armed with strong scutes.

3. 3

   Finlets

   Look for the small, detached finlets behind the second dorsal and anal fins, though these can sometimes be less pronounced.

4. 4

   Coloration

   The metallic blue-green dorsal and silvery belly, often with a black spot on the operculum, are characteristic.

Terokai Bigeye Scad