PREDACEOUS
predaceous, predacious, predatory
(adjective) living by or given to victimizing others for personal gain; “predatory capitalists”; “a predatory, insensate society in which innocence and decency can prove fatal”- Peter S. Prescott; “a predacious kind of animal--the early geological gangster”- W.E.Swinton
predacious, predaceous
(adjective) hunting and killing other animals for food
Source: WordNet® 3.1
Adjective
predaceous (comparative more predaceous, superlative most predaceous)
Surviving by preying on other animals.
Source: Wiktionary
Pre*da"ceous, a. Etym: [L. praeda prey. See Prey.]
Definition: Living by prey; predatory. Derham.
Source: Webster’s Unabridged Dictionary 1913 Edition