( They ( are ( ( marine fish ) ( that ( live ( in ( ( shallow ( tropical reefs ) ) ( in ( the ( Indian ( and ( Pacific Oceans ) ) ) ) ) ) ) ) ) ) ) )
(ROOT (S (NP (PRP They)) (VP (VBP are) (NP (NP (JJ marine) (NN fish)) (SBAR (WHNP (WDT that)) (S (VP (VBP live) (PP (IN in) (NP (NP (JJ shallow) (JJ tropical) (NNS reefs)) (PP (IN in) (NP (DT the) (NNP Indian) (CC and) (NNP Pacific) (NNP Oceans))))))))))))
They are marine fish that live in shallow tropical reefs in the Indian and Pacific Oceans
(ROOT (S (NP (NP (NNP Ocean) (NNP ridges)) (VP (VBN formed) (PP (IN by) (NP (NP (JJ marine) (NNS invertebrates)) (VP (VBG living) (PP (IN in) (NP (JJ warm) (JJ shallow) (NNS waters))) (PP (IN within) (NP (NP (DT the) (JJ photic) (NN zone)) (PP (IN of) (NP (DT the) (NN ocean)))))))))) (VP (VBP are) (VP (VBN called) (NP (NN coral) (NNS reefs)))) (. .)))