Cara Mengidentifikasi Redtail Catfish

Untuk mengidentifikasi Redtail Catfish (Phractocephalus hemioliopterus), perhatikan ciri-ciri utama berikut.

Ciri Fisik

Bentuk tubuh

torpedo

Warna

Dorsal surface is dark grey to black, transitioning to a white or cream-colored belly. The most striking feature is the bright orange-red caudal fin (tail) and often a band of the same color extending along the lateral line. Juveniles may have more pronounced black spots or markings that fade with age.

Jenis sisik

none

Posisi mulut

terminal

Ciri khas

Large, broad head with a wide mouth., Three pairs of prominent barbels: one maxillary pair (very long, extending past the pectoral fins) and two pairs of mental barbels (shorter, on the chin)., Bright orange-red caudal fin., Absence of scales., Adipose fin present.

Sirip punggung

Short, high, with a strong spine and 6-7 soft rays.

Sirip ekor

Large, deeply forked, and distinctively orange-red.

Sirip dada

Strong, with a serrated spine and 10-11 soft rays.

Sirip khas

Small adipose fin present between the dorsal and caudal fins.

Tips Identifikasi

1. 1

   Coloration

   The most definitive feature is the bright orange-red caudal fin, contrasting sharply with the dark grey/black back and white belly.

2. 2

   Barbels

   Three pairs of barbels, with the maxillary pair being exceptionally long, reaching beyond the pectoral fins.

3. 3

   Head Shape

   A broad, somewhat flattened head with a very wide mouth.

4. 4

   Size

   Adults are massive, reaching lengths of up to 1.8 meters (6 feet) and weights exceeding 80 kg (176 lbs).

Jelajahi Redtail Catfish