▁G row th ▁and ▁lif es pan ▁ ▁The ▁fast est ▁period ▁of ▁growth ▁in ▁cor al ▁tr out ▁occurs ▁in ▁the ▁first ▁three ▁years ▁of ▁life . ▁The ▁average ▁daily ▁growth ▁of ▁newly ▁settled ▁ju ven iles ▁has ▁been ▁measured ▁at ▁ 0 . 8 1   mm ▁per ▁day . ▁This ▁means ▁they ▁reach ▁close ▁to ▁ ▁in ▁the ▁first ▁ 6 ▁months . ▁ ▁G row th ▁rates ▁of ▁cor al ▁tr out ▁are ▁variable ; ▁every ▁age ▁class ▁has ▁a ▁wide ▁range ▁of ▁sizes . ▁To ▁estimate ▁growth , ▁the ▁age ▁and ▁size ▁of ▁a ▁fish ▁must ▁be ▁determined . ▁Most ▁commonly , ▁the ▁growth ▁of ▁fish ▁is ▁measured ▁by ▁collect ing ▁individuals ▁of ▁varying ▁sizes , ▁meas uring ▁their ▁length , ▁and ▁determ ining ▁their ▁age ▁by ▁the ▁ot ol ith s . ▁ ▁Rec ent ▁research ▁at ▁Br am ble ▁Re ef ▁has ▁found ▁that ▁common ▁cor al ▁tr out ▁( P . ▁le op ard us ) ▁reaches ▁a ▁maximum ▁age ▁of ▁ 1 6 ▁years . ▁ ▁Diet ▁ ▁Cor al ▁tr out ▁are ▁fish - e ating ▁pred ators . ▁Young er ▁ju ven ile ▁tr out ▁mostly ▁eat ▁cr ust ace ans , ▁especially ▁pra wn s , ▁which ▁live ▁on ▁or ▁near ▁the ▁re ef ▁bottom . ▁However , ▁adult s ▁feed ▁upon ▁a ▁variety ▁of ▁re ef ▁fish . ▁The ▁most ▁common ▁type ▁of ▁fish ▁e aten ▁is ▁dam self ish ▁( family ▁Pom ac entr idae ), ▁particularly ▁the ▁sp