Dictionary.com
Thesaurus.com

pisci-

American  
  1. a combining form meaning “fish,” used in the formation of compound words.

    piscivorous.


pisci- British  

combining form

  1. fish

    pisciculture

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pisci-

Combining form representing Latin piscis; cognate with fish