How to Identify Korean carp

To identify Korean carp (Cyprinus carpio haematopterus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Typically olive-green to brownish-gold on the back, fading to a lighter, yellowish-white on the belly. Fins are often darker, sometimes with a reddish tint (hence 'haematopterus' meaning 'blood-fin'). Scales can have a metallic sheen.

Scale type

cycloid

Mouth position

subterminal

Distinctive features

Two pairs of barbels around the mouth (one short, one long), Large, cycloid scales, Strong, serrated spine at the front of the dorsal and anal fins, Protrusible mouth for bottom feeding

Dorsal fin

Long dorsal fin with 3-4 hard, serrated spines and 17-22 soft rays. The third spine is typically the strongest and longest.

Tail fin

Deeply forked caudal fin.

Pectoral fin

Paired pectoral fins, typically with 1 spine and 14-17 soft rays.

Distinctive fins

Anal fin with 3 spines (the third being serrated) and 5-6 soft rays. Pelvic fins are abdominal.

Identification Tips

1. 1

   Barbels

   Presence of two pairs of prominent barbels on the upper jaw, distinguishing it from many other freshwater fish.

2. 2

   Dorsal Fin Spine

   The strong, serrated spine at the front of the dorsal fin is a key characteristic of common carp subspecies.

3. 3

   Scale Size and Pattern

   Large, distinct cycloid scales arranged in regular rows, often with a dark outline.

4. 4

   Body Shape

   Generally more elongated and less deep-bodied than some highly domesticated common carp varieties (e.g., mirror carp, leather carp).

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