First record of redneck goby Schismatogobius deraniyagalai (Teleostei: Gobiidae) from Seethanathi river, Karnataka, Southern India.

Schismatogobius deraniyagalai is recorded from the Seethanathi River of Karnataka state in the southern part of India. Previous records of these species were from the streams in Kerala of India and from freshwater habitats of Sri Lanka. Herein we report the occurrence of this species in Seethanathi River showing its distribution extended further north along the west coast of Peninsular India