How to Identify Swamp Barb

To identify Swamp Barb (Puntius chola), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

The body is generally silvery, often with a greenish or yellowish tint, especially dorsally. The flanks may show a faint longitudinal stripe. A distinct, round to oval black spot is present at the base of the caudal fin. Fins are typically hyaline (transparent) to yellowish, sometimes with reddish tinges, particularly in breeding males. The operculum may have a reddish or golden sheen.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Prominent black spot at the caudal fin base, Absence of barbels (or very rudimentary, often not visible), Laterally compressed body, Relatively small size, typically up to 12-15 cm TL

Dorsal fin

Dorsal fin with 3-4 unbranched and 8 branched rays. The last unbranched ray is strong and serrated posteriorly.

Tail fin

Caudal fin deeply forked, with pointed lobes.

Pectoral fin

Pectoral fins are relatively short, with 13-15 rays.

Distinctive fins

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

Identification Tips

1. 1

   Caudal Spot

   The most reliable identifying feature is the distinct, round to oval black spot located at the base of the caudal fin. This spot is usually prominent and well-defined.

2. 2

   Barbels

   Puntius chola typically lacks barbels, or they are extremely rudimentary and not easily visible. This distinguishes it from many other Puntius species that possess one or two pairs of barbels.

3. 3

   Body Shape and Coloration

   Its laterally compressed, silvery body with a greenish or yellowish sheen, combined with its relatively small size, helps in identification. Faint longitudinal stripes may be present but are not always distinct.

4. 4

   Dorsal Fin Ray

   The last unbranched ray of the dorsal fin is strong and serrated posteriorly, a characteristic shared with some other Puntius species but useful in conjunction with other features.

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