Cara Mengenal Pasti Clown Knifefish

Untuk mengenal pasti Clown Knifefish (Chitala chitala), perhatikan ciri-ciri utama berikut.

Ciri-ciri Fizikal

Bentuk badan

compressed

Warna

Silvery-grey to brownish-grey dorsally, fading to silvery-white ventrally. Juveniles often have more pronounced spots and sometimes faint vertical bars. Adults typically display 5-10 large, ocellated (eye-like) black spots, often ringed with white or yellow, along the lower flank, above the anal fin.

Jenis sisik

cycloid

Kedudukan mulut

superior

Ciri tersendiri

Deeply compressed, knife-like body, Long, confluent dorsal and anal fins forming a single undulating fin along most of the body, Small, pointed head with a large mouth, Absence of a true dorsal fin (represented by a series of small, separate finlets in some related species, but not prominent in Chitala chitala), Prominent black spots on the lower flank

Sirip dorsal

A very small, inconspicuous dorsal fin, often described as a series of small rays or absent, located far forward on the back.

Sirip ekor

Small, rounded, and confluent with the anal fin.

Sirip pektoral

Small and fan-shaped, located low on the body.

Sirip tersendiri

The anal fin is extremely long, extending from behind the pectoral fins to the caudal fin, and is confluent with the caudal fin, giving the fish its characteristic undulating swimming motion. This fin is used for propulsion and maneuvering.

Petua Pengenalan

1. 1

   Body Shape

   Look for the highly compressed, knife-like body that tapers to a point at the tail.

2. 2

   Fin Structure

   Observe the extremely long anal fin that merges with the caudal fin, creating a continuous, undulating structure.

3. 3

   Spot Pattern

   Count the number and examine the arrangement of the large, ocellated black spots along the lower flank. Chitala chitala typically has 5-10 distinct spots.

4. 4

   Dorsal Fin

   Note the very small or almost absent dorsal fin, distinguishing it from some other knifefish species.

Terokai Clown Knifefish