Maererano nerugwaro urwu runotaura nezvehove dzinonzi shark, nei shark dzichigona kugara mumvura ine munyu nemvura isina munyu?
Context:Shumba inonzi Bull shark (Carcharhinus leucas), inozivikanwawo seZambezi shark (zambi) muAfrica uye Lake Nicaragua shark muNicaragua, rudzi rwe requiem shark inowanzowanikwa pasi rese mumvura inodziya, isina kudzika mumahombekombe nenzizi. Iyo inozivikanwa nehunhu hwayo hune hukasha, uye kuvapo kwayo kunyanya mune inodziya, isina kudzika brackish uye matsva emvura masisitimu anosanganisira estuaries uye (kazhinji) yakaderera mafashama enzizi.  Shumba dzinonzi Bull shark dzinogara mumvura uye dzinogona kugara mumvura ine munyu nemvura isina munyu. Vanozivikanwa kuti vanofamba vachienda kumakomo, uye vanozivikanwa kuti vanofamba vachienda kuRwizi rweMississippi kusvika kuAlton, Illinois, anenge makiromita 1,100 (700 mi) kubva kugungwa, asi kusangana kushoma kwemvura yakachena nevanhu kwakanyorwa. Mhuka dzakakura dzinonzi shark dzinogona kunge dziri dzakanyanya kurwiswa nehove idzi pedyo nemhenderekedzo yegungwa, kusanganisira nyaya dzakawanda dzokurumwa nehove idzi nedzimwewo mhuka.  Kusiyana nemhembwe dzomumvura dzorudzi rweGlyphis, mhembwe dzemhembwe hadzisi mhembwe dzomumvura yakachena, pasinei nokugona kwadzo kurarama mumvura yakachena.
Shumba dzinonzi Bull shark dzinogona kugara mumvura ine munyu nemvura isina munyu nokuti dzinogara mumvura.