**Author details**

Sajal Ray\* , Soumalya Mukherjee, Niladri Sekhar Bhunia, Anindya Sundar Bhunia and Mitali Ray

\*Address all correspondence to: raysnailmail@rediffmail.com

Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, Kolkata, West Bengal, India
