The fishes of northern Bengal

Key based mainly on colour

Pectorals plain.

1. Ocelli with centre darker and margin lighter than ground colour on lateral line or base of caudal or both.
2. Belly blue or green, orange bars on flanks.
3. Blackish above, yellow below, lateral line with peninsulas of the darker colour extending into the yellow.
4. Darker and lighter patches alternating above and below the lateral line, Chin not marbled.

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