Cara Mengenal Pasti Estuary Grouper

Untuk mengenal pasti Estuary Grouper (Epinephelus coioides), perhatikan ciri-ciri utama berikut.

Ciri-ciri Fizikal

Bentuk badan

elongated

Warna

Body color varies from light grey to greenish-brown, covered with numerous small, reddish-brown to orange-brown spots on the head, body, and fins. Five irregular, oblique, dark brown bars may be present on the body, especially in juveniles or stressed individuals. The ventral surface is typically paler.

Jenis sisik

ctenoid

Kedudukan mulut

terminal

Ciri tersendiri

Numerous small, reddish-brown to orange-brown spots covering the entire body and fins., Often exhibits 5 faint, irregular, oblique dark bars on the body., Posterior nostril is significantly larger than the anterior nostril., Caudal fin is rounded in juveniles and truncate to slightly emarginate in adults.

Sirip dorsal

11 spines, 15-17 soft rays. The spinous and soft-rayed portions are continuous, with the soft-rayed portion being higher.

Sirip ekor

Truncate to slightly emarginate in adults, rounded in juveniles.

Sirip pektoral

18-20 rays, typically rounded.

Sirip tersendiri

Pelvic fins are shorter than pectoral fins and do not reach the anus.

Petua Pengenalan

1. 1

   Spotting Pattern

   Look for numerous small, reddish-brown to orange-brown spots covering the head, body, and fins. These spots are generally smaller than the pupil diameter.

2. 2

   Body Bars

   Observe for 5 faint, irregular, oblique dark bars on the body, which may be more prominent in younger or stressed fish.

3. 3

   Nostril Size

   The posterior nostril is noticeably larger than the anterior nostril, a key diagnostic feature.

4. 4

   Caudal Fin Shape

   Adults typically have a truncate to slightly emarginate (forked) caudal fin, while juveniles have a rounded caudal fin.

Terokai Estuary Grouper