How to Identify Ganges River Sprat

To identify Ganges River Sprat (Corica soborna), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Overall silvery, often with a faint golden or yellowish tint on the back. The sides are bright silvery, and the belly is whitish. Fins are hyaline (transparent).

Scale type

cycloid

Mouth position

superior

Distinctive features

Small size, typically not exceeding 5 cm standard length., Slender and compressed body., Absence of a lateral line., A series of small, sharp scutes (keeled scales) along the belly, though less prominent than in some other clupeids.

Dorsal fin

Single, short-based dorsal fin located mid-body, typically with 10-12 soft rays.

Tail fin

Deeply forked caudal fin.

Pectoral fin

Small, low-set pectoral fins.

Distinctive fins

Pelvic fins are small and located abdominally, anterior to the dorsal fin origin. Anal fin is relatively long, originating behind the dorsal fin, with 15-19 soft rays.

Identification Tips

1. 1

   Size and Shape

   Look for a very small (usually under 5 cm), slender, and laterally compressed fish with a silvery body.

2. 2

   Mouth Position

   The mouth is superior (upturned), indicating its surface-feeding habit.

3. 3

   Fin Placement

   The dorsal fin is located roughly in the middle of the body, and the anal fin is relatively long, starting behind the dorsal fin.

4. 4

   Absence of Lateral Line

   Unlike many fish, Corica soborna lacks a distinct lateral line, which can be a key identifier.

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