. ▁ ▁These ▁fish ▁occur ▁in ▁large ▁rivers ▁and ▁res er voir s . ▁A ▁gre g ari ous ▁fish ▁and ▁move ▁in ▁sho als ▁during ▁mon so on . ▁They ▁feed ▁on ▁fish . ▁S . ▁children i ▁is ▁a ▁dominant ▁species ▁in ▁the ▁catch es ▁from ▁deep ▁waters , ▁especially ▁during ▁the ▁mon so on ▁months ▁between ▁April ▁and ▁July . ▁ ▁References ▁▁▁ ▁Category : Sch il be idae ▁Category : Cy pr in id ▁fish ▁of ▁Asia ▁Category : Fa una ▁of ▁the ▁Western ▁Gh ats ▁Category : F resh water ▁fish ▁of ▁India ▁Category : T ax a ▁named ▁by ▁William ▁Henry ▁Sy kes ▁Category : F ish ▁described ▁in ▁ 1 8 3 9 <0x0A> </s> ▁The ▁Tol man ▁Medal ▁is ▁awarded ▁each ▁year ▁by ▁the ▁Southern ▁California ▁Section ▁of ▁the ▁American ▁Chem ical ▁Society ▁( SC AL AC S ) ▁for ▁out standing ▁contributions ▁to ▁chem istry ▁which ▁include ▁contributions ▁in ▁areas ▁of ▁fundamental ▁studies , ▁chemical ▁technology , ▁and ▁significant ▁contributions ▁to ▁chemical ▁education ▁or ▁out standing ▁leadership ▁in ▁science ▁on ▁a ▁national ▁level . ▁To ▁be ▁el ig ible ▁for ▁the ▁Medal , ▁the ▁recip ient ▁must ▁have ▁accomplished ▁the ▁majority ▁of ▁his ▁or ▁her ▁work ▁while ▁resident ▁in ▁Southern ▁California . ▁ ▁The ▁Medal ▁is ▁named ▁for ▁phys ic ist ▁and ▁chem ist ▁Richard ▁C . ▁Tol man . ▁ ▁Re cip ients ▁ ▁Source : ▁SC AL AC S ▁▁ 1 9 6 0 ▁William ▁G . ▁Young ▁▁ 1 9 6