▁for amin ifer ans ▁to ▁small ▁fish ▁and ▁sh rim p , ▁feed ▁on ▁the ▁ph y top l ank ton ▁( and ▁one ▁another ); ▁both ▁tro ph ic ▁levels ▁in ▁turn ▁form ▁the ▁base ▁of ▁the ▁food ▁chain ▁( or , ▁more ▁properly , ▁web ) ▁that ▁supports ▁most ▁of ▁the ▁world ' s ▁great ▁wild ▁fish eries . ▁Cor als ▁are ▁also ▁mostly ▁found ▁in ▁the ▁ner it ic ▁zone , ▁where ▁they ▁are ▁more ▁common ▁than ▁in ▁the ▁inter tid al ▁zone ▁as ▁they ▁have ▁less ▁change ▁to ▁deal ▁with . ▁ ▁Definition ▁( phys ical ▁ocean ography ) ▁ ▁In ▁physical ▁ocean ography , ▁the ▁sub l itt oral ▁zone ▁refers ▁to ▁coast al ▁regions ▁with ▁significant ▁tid al ▁flows ▁and ▁energy ▁diss ip ation , ▁including ▁non - linear ▁flows , ▁internal ▁waves , ▁river ▁out flow s ▁and ▁ocean ▁front s . ▁As ▁in ▁marine ▁bi ology , ▁this ▁zone ▁typically ▁extends ▁to ▁the ▁edge ▁of ▁the ▁contin ental ▁sh elf . ▁ ▁See ▁also ▁ ▁Coast al ▁fish ▁ ▁References ▁ ▁Category : A qu atic ▁e col ogy ▁Category : F ish eries ▁science ▁Category : Phys ical ▁ocean ography ▁Category : A qu atic ▁bi om es ▁Category : O cean ographical ▁termin ology <0x0A> </s> ▁Deb ate ▁means ▁cont ention ▁in ▁argument ; ▁str ife , ▁diss ension , ▁quar rell ing , ▁controvers y ; ▁especially ▁a ▁formal ▁discussion ▁of ▁subjects ▁before ▁a ▁public ▁assembly ▁or ▁legisl ature , ▁in ▁Parliament