How to Identify Peacock Snakehead

To identify Peacock Snakehead (Channa pulchra), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

The body is typically dark brown to black, adorned with numerous iridescent blue or green spots and blotches, particularly on the flanks and fins. The pectoral fins are a striking feature, often displaying a vibrant blue or green base with orange or red markings and a black submarginal band. The caudal fin often has a dark base with a lighter margin and sometimes ocelli-like spots. Juveniles may have less intense coloration.

Scale type

cycloid

Mouth position

superior

Distinctive features

Vibrant iridescent blue/green spots on a dark body., Distinctive ocellus (eye-spot) on the caudal fin base in some individuals., Large, rounded pectoral fins with prominent coloration., Elongated body with a flattened head, typical of snakeheads.

Dorsal fin

Long and continuous, extending almost the entire length of the back, typically with 37-40 soft rays. It is generally low but can be raised during display.

Tail fin

Rounded to slightly spatulate, often with a dark base and lighter margin, sometimes featuring an ocellus.

Pectoral fin

Large and rounded, often the most colorful fins, with a prominent blue/green base and orange/red markings. Typically 15-17 rays.

Distinctive fins

Anal fin is also long and continuous, similar in shape to the dorsal fin but shorter, with 24-27 soft rays. Pelvic fins are small and located abdominally.

Identification Tips

1. 1

   Coloration and Pattern

   Look for the characteristic dark body with numerous iridescent blue or green spots and blotches. The vibrant coloration of the pectoral fins is a key identifier.

2. 2

   Fin Shape and Ray Count

   Note the long dorsal (37-40 rays) and anal (24-27 rays) fins, and the large, rounded pectoral fins (15-17 rays). The caudal fin is rounded.

3. 3

   Head Shape

   Observe the flattened head and large, superior mouth, typical of predatory snakeheads.

4. 4

   Size

   Adults typically reach a maximum standard length of 20-25 cm (8-10 inches), making them one of the smaller Channa species.

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