▁with ▁the ▁long ▁anal ▁fin , ▁del ivers ▁s perm ato zo a ▁to ▁be ▁buried ▁in ▁the ▁substr ate . ▁Comp ared ▁to ▁sym pat ric ▁dar ters , ▁early ▁sp aw ning ▁results ▁in ▁relatively ▁large ▁young , ▁which ▁may ▁reduce ▁pred ation ▁in ▁this ▁relatively ▁pel ag ic ▁species . ▁ ▁Current ▁management ▁Like ▁many ▁non - game ▁species , ▁little ▁is ▁known ▁about ▁the ▁fre ck le bel ly ▁d arter . ▁ ▁The ▁d arter ▁is ▁state ▁listed ▁as ▁being ▁in ▁need ▁of ▁management ▁categor ized ▁as ▁crit ically ▁imper iled . ▁ ▁References ▁ ▁Category : Per c ina ▁Category : F ish ▁described ▁in ▁ 1 9 9 3 <0x0A> </s> ▁O reg ano ▁is ▁a ▁commercial ▁web ▁browser ▁for ▁R IS C ▁OS ▁computers . ▁O reg ano ▁is ▁a ▁derivative ▁of ▁a ▁browser ▁developed ▁by ▁O reg an ▁Network s ▁Ltd ▁under ▁the ▁name ▁O reg an ▁Media ▁Browser ▁for ▁consumer ▁electron ics ▁devices , ▁games ▁cons oles ▁and ▁IP ▁( Internet ▁Pro tocol ) ▁Set ▁Top ▁Bo xes . ▁ ▁Its ▁first ▁version ▁appeared ▁in ▁ 2 0 0 0 ▁and ▁was ▁originally ▁published ▁by ▁Castle ▁Technology ▁Ltd ,. ▁O reg ano ▁ 2 ▁was ▁launched ▁in ▁March ▁ 2 0 0 3 , ▁was ▁included ▁in ▁the ▁software ▁distribution ▁of ▁Castle ' s ▁I y on ix ▁PC ▁and ▁made ▁available ▁for ▁other ▁R IS C ▁OS ▁systems . ▁Later ▁in ▁the ▁development ▁of ▁O reg ano ▁ 2 ▁control ▁of ▁the