▁band ed ▁kill if ish ▁is ▁more ▁commonly ▁found ▁in ▁fresh water , ▁which ▁is ▁not ▁the ▁case ▁for ▁the ▁m umm ich og . ▁The ▁band ed ▁kill if ish ▁tends ▁to ▁have ▁thin ▁dark ▁bars ▁on ▁a ▁light ▁side , ▁whereas ▁in ▁the ▁m umm ich og ▁the ▁bars ▁are ▁thin ▁and ▁light ▁on ▁a ▁dark ▁side . ▁Intern ally , ▁the ▁band ed ▁kill if ish ▁has ▁ 4 - 7 ▁g ill ▁ra k ers , ▁as ▁opposed ▁to ▁ 8 - 1 2 ▁in ▁the ▁m umm ich og . ▁ ▁Distribution ▁and ▁habitat ▁ ▁This ▁species ▁ranges ▁along ▁the ▁Atlantic ▁coast ▁of ▁North ▁America , ▁from ▁G asp é ▁Pen ins ula , ▁Ant ic osti ▁Island ▁and ▁Port ▁au ▁Port ▁Bay ▁in ▁the ▁north ▁to ▁n ort he astern ▁Florida ▁in ▁the ▁south . ▁It ▁is ▁present ▁on ▁S able ▁Island , ▁ ▁sout heast ▁of ▁the ▁closest ▁point ▁of ▁main land ▁Nova ▁Scot ia ▁in ▁the ▁Atlantic ▁Ocean . ▁The ▁approximate ▁ge ographical ▁division ▁between ▁the ▁two ▁sub species ▁lies ▁in ▁New ▁Jersey , ▁Del aware ▁and ▁Virginia . ▁ ▁Int rodu ced ▁populations ▁have ▁become ▁established ▁on ▁the ▁Atlantic ▁coast ▁of ▁Portugal ▁and ▁south western ▁Spain , ▁starting ▁in ▁the ▁ 1 9 7 0 s ▁and ▁some ▁have ▁now ▁reached ▁the ▁western ▁Mediter rane an ▁bas in . ▁There ▁may ▁also ▁be ▁introduced ▁populations ▁in ▁Hawai i ▁and ▁the ▁Philippines . ▁As ▁b ait ▁fish , ▁m umm ich ogs ▁are ▁sometimes ▁released