ation ▁can ▁form ▁a ▁band ▁near ▁the ▁top ▁margin , ▁especially ▁on ▁the ▁interior ▁surface . ▁The ▁mant le , ▁the ▁soft ▁body ▁wall ▁which ▁covers ▁the ▁animal ' s ▁internal ▁org ans , ▁projects ▁from ▁between ▁the ▁val ves ▁when ▁they ▁are ▁open ▁and ▁is ▁bright ly ▁col oured . ▁It ▁can ▁be ▁various ▁sh ades ▁of ▁blue , ▁green , ▁pur ple , ▁gold , ▁orange ▁or ▁brown , ▁often ▁pattern ed ▁with ▁sp ots , ▁stri pes ▁or ▁squ igg les . ▁It ▁has ▁many ▁small ▁pro tr us ions ▁on ▁the ▁exposed ▁surface ▁and ▁a ▁line ▁of ▁simple ▁eyes ▁near ▁the ▁margin . ▁The ▁in hal ent ▁si phon , ▁through ▁which ▁water ▁is ▁drawn ▁into ▁the ▁shell , ▁is ▁surrounded ▁by ▁many ▁small ▁tent acles ▁and ▁the ▁ex hal ent ▁si phon ▁is ▁often ▁long ▁and ▁tub ular . ▁ ▁Distribution ▁and ▁habitat ▁The ▁b oring ▁cl am ▁is ▁native ▁to ▁the ▁Ind o - P ac ific . ▁Its ▁range ▁extends ▁from ▁Malays ia , ▁Vietnam ▁and ▁Japan ▁to ▁Indones ia , ▁the ▁Philippines , ▁Pal au , ▁New ▁Guinea , ▁Australia , ▁the ▁Sol omon ▁Islands ▁and ▁Van u atu . ▁At ▁one ▁time ▁it ▁was ▁known ▁from ▁Gu am ▁and ▁the ▁Northern ▁Mar iana ▁Islands ▁but ▁it ▁may ▁now ▁be ▁locally ▁ext inct ▁in ▁these ▁locations . ▁Its ▁typical ▁habitat ▁is ▁embedded ▁in ▁massive ▁cor als . ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁cro ce a ▁Category : Fa una ▁of ▁Tim or ▁Category :