Q:

What do oysters eat?

A:

Quick Answer

Oysters eat plankton, algae and small food particles that wash over their gills. Both oysters and clams use the same type of siphoning and straining system to remove food from the water around them.

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Full Answer

When water washes over an oyster, it pushes the water through its body and extracts any plankton or small particles of water vegetation. Oysters are called filter feeders because they essentially filter their food out of the water.

The food that an oyster eats can affect what a person finds when opening the oyster. Depending on the color of the algae eaten, an oyster may have green or red coloring inside.

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Related Questions

  • Q:

    How long do oysters keep?

    A:

    Live oysters should be consumed within a day or two of being purchased, but definitely before they die and spoil, while shucked oysters can generally be kept for about 4 to 7 days, as long as they are stored at temperatures below 35 degrees Fahrenheit to prevent bacteria growth. Do not consume live shellfish that have already died because dead shellfish can harbor a high concentration of bacteria that can cause disease.

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  • Q:

    Where do oysters live?

    A:

    Oysters are most often found along the Atlantic Coasts and the Gulf of Mexico in North America. They live in estuaries, bays, tidal creeks and even in sounds. Oysters can survive in brackish- to full-strength seawater.

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    How do lobsters breathe?

    A:

    Lobsters breathe through gills, which are located in a structure called the carapace. The carapace is situated at the top of the cephalothorax, which is commonly referred to as the lobster’s head. There are 20 pairs of gills that are separated into two branchial chambers inside the carapace. The gills are made up of short, fine filaments that absorb oxygen directly from the water.

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    What is the function of gills in crayfish?

    A:

    Crayfish use their gills to breathe. A crayfish has a gill at the base of each leg. These gills are very delicate and are covered by the crayfish's carapace, or shield. This carapace is aligned backwards from the head, allowing water to run through in a channel over the gills, which provides a continuous source of oxygen that allows the crayfish to breathe.

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