Osmotrophy bụ usoro nri nke na-agụnye mmegharị nke ihe ndị a na-agbanye n'ime ala site na osmosis maka nri na-edozi ahụ. A na-akpọ ihe ndị na-eji osmotrophy osmotrophs. Ụfọdụ mixotrophic microorganisms na-eji osmotrophy iji nweta ụfọdụ ike ha. Osmotrophy na-eji ihe dị iche iche dị iche iche eme ihe.[1] Ihe dị ndụ na-eji osmotrophy gụnyere nje bacteria, ọtụtụ ụdị protists na ọtụtụ fungi. Ụfọdụ anụmanụ macroscopic dị ka molluscs, sponges, coral, brachiopods na echinoderms nwere ike iji nri osmotrophic dịka nri mgbakwunye.