ian ▁Vo iv odes hip , ▁in ▁north - central ▁Poland . ▁It ▁lies ▁approximately ▁ ▁west ▁of ▁G ór z no , ▁ ▁south - east ▁of ▁Bro dn ica , ▁and ▁ ▁east ▁of ▁Tor u ń . ▁ ▁References ▁ ▁Sz cz ut owo <0x0A> </s> ▁The ▁C au ca ▁mol ly ▁( Po ec ilia ▁c auc ana ) ▁is ▁a ▁fresh water ▁fish ▁in ▁the ▁family ▁Po ec ili idae , ▁also ▁called ▁the ▁South ▁American ▁mol ly . ▁This ▁fish ▁is ▁found ▁in ▁Pan ama , ▁Venezuela , ▁and ▁Colombia , ▁where ▁it ▁lives ▁in ▁shall ow ▁waters ▁in ▁the ▁bas ins ▁of ▁the ▁Leb ri ja , ▁Mag dal ena , ▁C au ca ▁and ▁other ▁rivers . ▁P . ▁c auc ana ▁e ats ▁mos qu ito ▁lar va e ▁and ▁alg ae . ▁ ▁Description ▁The ▁male ▁Po ec ilia ▁c auc ana ▁grows ▁to ▁a ▁length ▁of ▁ ▁while ▁the ▁female ▁can ▁att ain ▁. ▁Gener ally ▁sil very ▁in ▁colour , ▁this ▁fish ▁can ▁be ▁identified ▁by ▁the ▁black ▁bl ot ch ▁at ▁the ▁base ▁of ▁the ▁d ors al ▁fin . ▁Some ▁spec im ens ▁show ▁some ▁degree ▁of ▁narrow ▁trans verse ▁band ing , ▁but ▁this ▁may ▁be ▁the ▁ling ering ▁remains ▁of ▁colour ▁changes ▁associated ▁with ▁bre eding . ▁ ▁Distribution ▁and ▁habitat ▁P . ▁c auc ana ▁is ▁native ▁to ▁fresh water ▁systems ▁in ▁tropical ▁Central ▁and ▁South ▁America . ▁Its ▁range ▁extends ▁from ▁the ▁east - flow