Pe ople ▁from ▁Fall ▁River , ▁Massachusetts ▁Category : American ▁people ▁of ▁German - J ew ish ▁descent ▁Category : American ▁people ▁of ▁French - J ew ish ▁descent ▁Category : J ew ish ▁American ▁att or ne ys <0x0A> </s> ▁The ▁Hyp ost om inae ▁are ▁a ▁sub family ▁of ▁cat fish es ▁( order ▁Sil ur iformes ) ▁of ▁the ▁family ▁Lor ic ari idae . ▁Most ▁members ▁of ▁the ▁sub family ▁are ▁restricted ▁to ▁tropical ▁and ▁subt rop ical ▁South ▁America , ▁but ▁there ▁are ▁also ▁several ▁species ▁( in ▁gener a ▁An c istr us , ▁Cha et ost oma , ▁Las ian c istr us , ▁Le pto anc istr us ▁and ▁Hem ian c istr us ) ▁in ▁southern ▁Central ▁America . ▁Hyp ost om us ▁ple cost om us , ▁which ▁is ▁popular ▁in ▁the ▁aqu arium ▁trade , ▁has ▁been ▁introduced ▁to ▁several ▁regions ▁far ▁from ▁its ▁native ▁range . ▁ ▁Studies ▁conducted ▁with ▁represent atives ▁of ▁some ▁gener a ▁of ▁Hyp ost om inae ▁showed , ▁within ▁this ▁group , ▁the ▁dip lo id ▁number ▁ranges ▁from ▁ 2 n ▁= ▁ 5 2 ▁to ▁ 2 n ▁= ▁ 8 0 . ▁However , ▁the ▁supposed ▁wide ▁k ary ot yp ic ▁divers ity ▁the ▁family ▁Lor ic ari idae ▁or ▁the ▁sub family ▁Hyp ost om inae ▁would ▁present ▁is ▁almost ▁exclus ively ▁restricted ▁to ▁the ▁genus ▁Hyp ost om us , ▁and ▁the ▁species ▁from ▁the ▁other ▁gener a ▁had ▁a