ck le fin ▁gr ou per ▁among ▁various ▁other ▁vern ac ular ▁names , ▁is ▁a ▁species ▁of ▁marine ▁fish ▁in ▁the ▁family ▁Ser ran idae . ▁ ▁The ▁white - stre aked ▁gr ou per ▁is ▁w ides p read ▁throughout ▁the ▁tropical ▁waters ▁of ▁the ▁Ind o - West ▁Pacific ▁area ▁from ▁the ▁eastern ▁coast ▁of ▁Africa ▁to ▁the ▁T ong a ▁Islands ▁but ▁is ▁not ▁present ▁in ▁the ▁Red ▁Sea . ▁ ▁This ▁gr ou per ▁is ▁a ▁medium - s ized ▁fish , ▁it ▁can ▁grow ▁up ▁to ▁ ▁length . ▁ ▁Group ers , ▁as ▁other ▁fish , ▁have ▁usually ▁a ▁number ▁of ▁par as ites . ▁Not ▁much ▁is ▁known ▁about ▁the ▁par as it ological ▁fa una ▁of ▁the ▁white - stre aked ▁gr ou per . ▁In ▁New ▁C aled onia , ▁it ▁has ▁a ▁di ple ct an id ▁mon ogene an ▁on ▁its ▁g ills , ▁Pseud or hab d os yn och us ▁quadr atus , ▁which ▁is ▁specific ▁to ▁it . ▁ ▁Tax onom ic ▁syn onym s ▁▁ ▁Ep ine ph el us ▁s lack sm ith i ▁Wh itle y , ▁ 1 9 5 9 ▁ ▁Ep ine ph el us ▁sum mana ▁Wh itle y , ▁ 1 9 5 4 ▁sub species ▁host ia ret is ▁ ▁Hol oc entr us ▁on g us ▁Blo ch , ▁ 1 7 9 0 ▁ ▁Ser ran us ▁bat avi ensis ▁Ble ek er , ▁ 1 8