end ous ▁size , ▁the ▁giant ▁sea ▁bass ▁is ▁also ▁known ▁for ▁its ▁length y ▁lif es pan . ▁They ▁m ature ▁around ▁the ▁age ▁of ▁ 1 1 ▁or ▁ 1 2 , ▁around ▁the ▁weight ▁of ▁ 5 0   lb . ▁However , ▁some ▁of ▁the ▁largest ▁spec im ens ▁have ▁been ▁known ▁to ▁exceed ▁ 7   ft , ▁and ▁are ▁estimated ▁to ▁be ▁ 7 5 ▁years ▁or ▁older . ▁ ▁In ▁the ▁eastern ▁North ▁Pacific , ▁its ▁range ▁is ▁from ▁H umb old t ▁Bay , ▁California , ▁to ▁the ▁G ulf ▁of ▁California , ▁Mexico , ▁most ▁common ▁from ▁Point ▁Con ception ▁south ward . ▁In ▁the ▁north western ▁Pacific ▁it ▁occurs ▁around ▁Japan . ▁It ▁usually ▁stays ▁in ▁relatively ▁shall ow ▁water , ▁near ▁k el p ▁for ests , ▁drop - offs , ▁or ▁rock y ▁bottom s ▁and ▁sand ▁or ▁mud fl ats . ▁ ▁Diet ▁Gi ant ▁sea ▁bass ▁feed ▁on ▁cr ust ace ans , ▁as ▁well ▁as ▁a ▁wide ▁variety ▁of ▁fish . ▁For ▁populations ▁off ▁the ▁coast ▁of ▁California , ▁anch ov ies ▁and ▁cro aker ▁are ▁prominent ▁food ▁sources . ▁Mack er el , ▁sheep head , ▁white fish , ▁sand ▁bass , ▁and ▁several ▁types ▁of ▁c rab ▁also ▁make ▁up ▁the ▁sea ▁bass ' s ▁di et . ▁Despite ▁their ▁great ▁size ▁and ▁bul ky ▁appearance , ▁giant ▁sea ▁bass ▁have ▁been ▁known ▁to ▁move ▁extremely ▁quickly , ▁out st ri pping ▁bon ito . ▁