Nerite snails are a shellfish.
A Nautilus is one shellfish whose name begins with an N.
Oyster
lobster
Pipi, paua,
A nightstand is a piece of furniture. It begins with the letter n.
North America is a continent. It begins with the letter N.
Nephelinite is a type of rock. It begins with the letter n.
A Scandinavian country that begins with the letter "N" would be Norway.
The Northern Metalmark Butterfly begins with the letter n. Nelson's Hairstreak butterfly begins with the letter n.
A newspaper is found in a man's bathroom. It begins with the letter n.
Nutria is a rainforest animal. It begins with the letter N.
One type of shellfish that starts with the letter "N" is the nautilus. Though not a traditional shellfish like clams or shrimp, the nautilus is a marine mollusk with a distinctive coiled shell. Another example is the nori, which is a type of edible seaweed often used in sushi, but it's worth noting that it is not a shellfish in the conventional sense.