The walrus (Odobenus rosmarus) is a large pinniped marine mammal with discontinuous distribution about the North Pole in the Arctic Ocean and subarctic seas of the Northern Hemisphere. Dusk is the time of day after sunset when the light fades but it isn't fully dark yet, also known as twilight or nightfall, characterized by the sky darkening before night@WalrusProtocol @DuskFoundation #Walrus $WAL #Dusk $DUSK The walrus (Odobenus rosmarus) is a large pinniped marine mammal.Dusk is the time of day after sunset when the light fades but it isn't fully dark yet, also known as twilight or nightfall, characterized by the sky darkenin.