Izilwane zasolwandle zihlanganisa zonke izinhlobo zezilwane ezihlala ikakhulukazi olwandle. Ngakho kukhona izinhlanzi, i-starfish, izinkalankala, izimbaza, i-jellyfish, izipontshi, nezinye eziningi. Izinyoni zasolwandle eziningi, ikakhulukazi amaphengwini, kodwa nezimfudu zasolwandle zihlala kakhulu olwandle noma eduze nolwandle, kodwa zizalela amaqanda azo emhlabeni. Omama bakwaSeal bazala amazinyane abo emhlabathini. Zonke lezi zilwane zisathathwa njengezilwane zasolwandle.
Inkolelo-mbono yokuziphendukela kwemvelo ithatha ngokuthi zonke izilwane zokuqala zazihlala olwandle. Abaningi base behamba ogwini futhi bathuthukela lapho. Kodwa kukhona nezilwane kamuva ezifudukele emuva olwandle ngemva kokusuka olwandle ziye ezweni: okhokho bemikhomo nezinhlanzi ezinamathambo babehlala emhlabeni futhi kamuva bathuthela olwandle. Ngakho lezi nazo zibalwa phakathi kwezidalwa zasolwandle.
Ngakho-ke akucaci kahle ukuthi yiziphi izilwane ezingaphansi kwezidalwa zasolwandle njengoba zingahlobene ngokuziphendukela kwemvelo. Lokhu kufana nezilwane zasehlathini. Kubuye kuncike kakhulu ekutheni iluphi ulwandle. Eduze nenkabazwe, amanzi afudumele kunase-Arctic noma i-Antarctica. Yingakho nezinye izilwane zasolwandle zihlala lapho.