Invertebrate Zoology Virtual Collection
  • Phylum: Amoebozoa
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  • Phylum: Ctenophora
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  • Phylum: Dinoflagellata
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  • Phylum: Euglenozoa
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  • Phylum: Hemichordata
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  • Phylum: Metamonada
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  • Phylum: Mollusca
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    • Mytilus
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  • Phylum: Nematoda
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  • Phylum Porifera
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    • Philodina gregaria
    • Brachionus
    • Keratella
    • Polyarthra
    • Kellicottia
  • Phylum: Tardigrada
    • Echiniscus testudo
Picture
Image: Invertebrate Zoology Lab

Classification:

Phylum: Mollusca
Class: Bivalvia
Scientific Name: Mytilus
Common Name: Saltwater Muscle

General Characteristics:

The Saltwater Mussel has a shell with a thick profile and a pointed anterior end. There are strong radial ribs and transverse growth lines on the shell that give it a rough appearance. The outside surface of the shell is usually eroded and a blue-black color. The interior side of the shell is blue-gray in color and may appear iridescent. The Saltwater Mussel attaches to hard rocky surfaces through the use of byssal threads. It ingests food by filtering up to 2-3 liters of seawater per hour. Spawning occurs year-round, but peaks in July and December.

Habitat:

The Salwater Mussel is common in the intertidal zone of rocky coastal areas.

Importance to Humans:

The Saltwater Mussel are a major source of sea-food for humans and are also farm-raised for consumption surfaces. Consumption of Saltwater Muscles by humans dates back thousands of years to coastal Native American peoples.

Sources:

Cowles, Dave. "Mytilus californianus". Wallawall.edu. Retrieved from: http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Mollusca/Bivalvia/Mytiloida/Mytilidae/Mytilus_californianus.html.
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