hookers sea lion phacarctos hookeri nz is the rarest in the wo

animal aquatic beach birds blue bycatch cambell coast crustaceans decline dimorphic eating fin fish fishing flippers fur island islands lion mammal marine nature new ocean otaviids outdoor pacific philopatric pinniped predators pups rarest rocky sand sea seal sharks shore shoreline sky squid stewart subantarctic threatened travel water wave west wild wildlife zealand