Cara Mengidentifikasi Nile Tilapia

Untuk mengidentifikasi Nile Tilapia (Oreochromis niloticus), perhatikan ciri-ciri utama berikut.

Ciri Fisik

Bentuk tubuh

compressed

Warna

Typically silvery-grey to olive-brown dorsally, fading to whitish ventrally. Often exhibits 6-9 distinct vertical bars on the flanks, which can be more pronounced in juveniles or stressed individuals. The caudal fin often has distinct vertical stripes. Breeding males can develop a reddish hue on the operculum and fins.

Jenis sisik

ctenoid

Posisi mulut

terminal

Ciri khas

Deep, laterally compressed body, Long dorsal fin with spiny and soft-rayed portions, Prominent lateral line, Often exhibits vertical barring on flanks, Caudal fin with distinct vertical stripes

Sirip punggung

Single, long dorsal fin with 15-18 spines and 10-15 soft rays. The spiny portion is longer than the soft-rayed portion.

Sirip ekor

Truncate to slightly emarginate, with distinct vertical stripes.

Sirip dada

Paired, relatively short and rounded.

Sirip khas

Pelvic fins are thoracic, located directly below the pectoral fins.

Tips Identifikasi

1. 1

   Caudal Fin Pattern

   Look for distinct vertical stripes on the caudal (tail) fin, a key distinguishing feature from many other tilapia species.

2. 2

   Dorsal Fin Spines

   Count the number of spines in the dorsal fin (typically 15-18). The spiny portion is noticeably longer than the soft-rayed portion.

3. 3

   Body Coloration and Bars

   Observe the silvery-grey to olive-brown body with 6-9 often prominent vertical bars on the flanks, especially visible in younger or stressed fish.

4. 4

   Mouth and Jaw

   The mouth is terminal, and the jaws typically extend to the anterior margin of the eye. Pharyngeal teeth are fine and numerous.

Jelajahi Nile Tilapia