TY - BOOK AU - Amritha Joy TI - Reproductive biology of amazon sailfin catfish pterigoplichthys pardalis( castelnau,1855) invading natural drainages of Thiruvananthapuram, Kerala T2 - Biju Kumar, A PY - 2019/// PB - Department of Aquatic Biology & Fisheries, University of Kerala, Trivandrum ER -