Blue mussels

Way of life

Close relations

The Horse mussel (Modiolus modiolus) is found on cliffs and gravel bottoms in deeper water along the Swedish west coast as far south as the Öresund between Denmark and Sweden. It resembles the Blue mussel, but is brown (as opposed to blue), and is more obtuse on its pointed end. In southern Europe (i.e. Mediterranean) another species is present, Mytilus galloprovincialis, that is very similar to the Swedish Blue mussel.
Blue and horse mussel

From left to right. The Blue mussel and a Horse mussel.

Other facts

Some researchers are of the opinion that the Blue mussel in the Baltic is another species (Mytilus trossulus) that is found for example in Canada, but at the present it is still uncertain. The Blue mussel is important in different forms of aquaculture in both Sweden and abroad.

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What it eats


Close relations

Other facts

Blue mussel     More facts     Other names
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Bo Johannesson | Martin Larsvik | Lars-Ove Loo | Helena Samuelsson