A 'smack' is a collective noun for a group of which sea creatures?
Jelly-fish Jellyfish life cycle Medusa (biology) Jelly fish sting Sea jelly Medusa jellyfish Jelly fish Scyphomedusae Jelly Fish Jellyfish Life Cycle Jellyfishes Tesserazoa Medusae Medusozoa Medusa (zoology) Scyphomedusa Sea jellies Jellyfish Jellyfish sting JellyFish