Type of Benthos
Benthos is a organisms that live at the bottom of a body of standing or running water. There are three type of Benthos. Benthos occupy is called the benthic organisms, which in the lowest layer of a lake, sea, stream, or river. In aquatic water, Benthos into three type : macrobenthos, mesobenthos and microbenthos
Macrobenthos is benthic organisms greater than about 1 mm in size. It make macrobenthos is the largest of benthos herd. Macrobenthos comprises the larger, visible to the naked eye. Some examples are polychaete worms, bivalves, echinoderms, sea anemones, corals, sponges, sea squirts, turbellarians and larger crustaceans such as crabs, lobsters and cumaceans.
Meiobenthos is benthic organisms less than about 1 mm but greater than about 0.1 mm in size. It is a second of benthos size after macrobenthos. Meiobenthos comprises tiny benthic organisms. Some examples of meiobenthos are nematodes, foraminiferans, tardigrades, gastrotriches and smaller crustaceans such as copepods and ostracodes.
Microbenthos is benthic organisms that are less than about 0.1 mm in size. It is the smallest size of benthos. Microbenthos comprises microscopic benthic organisms. Some examples are bacteria, diatoms, ciliates, amoeba, flagellates.
Benthos has many kind based on the size and type. All of them have own uniqueness and characteristics.
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