Three fish which can be found in oceans are the mackerel, the mullet and the mulloway.
Mako sharks and megamouth sharks also live in oceans.
Mussels are found in oceans. These are molluscs, another M word.
The manta ray can be found in the oceans too.
Manatee is a mammal that lives within oceans.
Man-O'-War is a deadly kind of ocean jellyfish.
Marine biology and marine life are two ocean-related terms.
The word you're looking for is "eider." Eiders are large sea ducks primarily found in the Northern Hemisphere.
pea, sea, tea
Sea?
at sea
Ocean
pirate
sea
port
anemone
aport
port
foam