How to Identify Olive barb

To identify Olive barb (Systomus sarana), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

The body is typically olive-green to silvery on the dorsal side, fading to silvery-white on the ventral side. Scales often have a metallic sheen. Fins are usually hyaline (clear) to yellowish, sometimes with a reddish tinge, especially during breeding season. A faint, dark lateral stripe may be present in some individuals, particularly juveniles.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Deep, compressed body, Two pairs of barbels (rostral and maxillary), Large, cycloid scales, Dorsal fin with a strong, serrated spine

Dorsal fin

The dorsal fin has 4 unbranched and 8 branched rays, with the last unbranched ray being a strong, serrated spine. It is relatively tall and originates slightly anterior to the pelvic fins.

Tail fin

The caudal fin is deeply forked with pointed lobes.

Pectoral fin

Pectoral fins are relatively short, with 1 unbranched and 14-15 branched rays.

Distinctive fins

Anal fin has 3 unbranched and 5 branched rays. Pelvic fins have 1 unbranched and 8 branched rays.

Identification Tips

1. 1

   Body Shape

   Look for a distinctly deep and compressed body, which is characteristic of this species.

2. 2

   Barbels

   Observe the presence of two pairs of barbels around the mouth, which are relatively short.

3. 3

   Dorsal Fin Spine

   Note the strong, serrated spine at the anterior edge of the dorsal fin, a key cyprinid feature.

4. 4

   Coloration

   The olive-green to silvery body coloration, often with a metallic sheen, helps in identification.

Explore Olive barb