How to Identify Gangetic Scissortail Rasbora

To identify Gangetic Scissortail Rasbora (Rasbora rasbora), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

The body is generally silvery-grey to yellowish-brown, often with a distinct dark lateral stripe running from the operculum to the caudal peduncle. The fins are typically hyaline (transparent) to yellowish, with the caudal fin sometimes exhibiting reddish or orange tinges, especially in breeding males. The dorsal surface is usually darker than the ventral side.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Deeply forked caudal fin (scissortail), Prominent dark lateral stripe, Slender, elongated body

Dorsal fin

Single, relatively small dorsal fin located mid-body, with 2 unbranched and 7 branched rays.

Tail fin

Deeply forked, giving it the 'scissortail' appearance. The lobes are pointed.

Pectoral fin

Paired, relatively small, located ventrally behind the operculum.

Distinctive fins

The anal fin is positioned posterior to the dorsal fin, with 2 unbranched and 5 branched rays. Pelvic fins are small and abdominal.

Identification Tips

1. 1

   Caudal Fin

   Look for the very deeply forked tail fin, which is a key distinguishing feature and gives the fish its common name.

2. 2

   Lateral Stripe

   Observe the distinct dark lateral stripe running along the side of the body, from the gill cover to the base of the caudal fin.

3. 3

   Body Shape

   Note the slender, elongated body, which is typical for many Rasbora species but combined with the scissortail, aids in identification.

4. 4

   Size

   Adults typically reach a maximum standard length of about 10-12 cm (4-5 inches).

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