▁strong ▁curr ents . ▁The ▁majority ▁of ▁si phon op hor es ▁live ▁in ▁the ▁deep ▁sea ▁and ▁can ▁be ▁found ▁in ▁all ▁of ▁the ▁o ce ans . ▁Si phon oph ore ▁species ▁rarely ▁only ▁inhab it ▁one ▁location . ▁Some ▁species , ▁however , ▁can ▁be ▁conf ined ▁to ▁a ▁specific ▁range ▁of ▁depth s ▁and / or ▁an ▁area ▁of ▁the ▁ocean . ▁ ▁Be havior ▁ ▁Pred ation ▁and ▁feed ing ▁ ▁Si phon op hor es ▁are ▁pre dat ory ▁car n iv ores . ▁Their ▁di ets ▁consist ▁of ▁a ▁variety ▁of ▁co pe pod s , ▁small ▁cr ust ace ans , ▁and ▁small ▁fish . ▁A ▁majority ▁of ▁si phon op hor es ▁have ▁g astro zo oid s ▁that ▁have ▁a ▁characteristic ▁tent acle ▁attached ▁to ▁the ▁base ▁of ▁the ▁zo oid . ▁This ▁struct ural ▁feature ▁functions ▁in ▁assist ing ▁the ▁organ isms ▁in ▁catch ing ▁pre y . ▁Similar ▁to ▁many ▁other ▁organ isms ▁in ▁the ▁ph yl um ▁of ▁C n id aria , ▁many ▁si phon oph ore ▁species ▁exhib it ▁n emat oc yst ▁st ing ing ▁caps ules ▁on ▁branches ▁of ▁their ▁tent acles ▁called ▁tent illa . ▁The ▁n emat oc yst s ▁are ▁arranged ▁in ▁dense ▁batter ies ▁on ▁the ▁side ▁of ▁the ▁tent illa . ▁When ▁the ▁si phon oph ore ▁enc oun ters ▁potential ▁pre y , ▁they ▁util ize ▁their ▁ ▁tent acles ▁to ▁create ▁a ▁net ▁around ▁the ▁pre y . ▁The