Semimytilus algosus is a species of mussels. A common name for this species is Bisexual mussel,[1] or Dwarf mussel.[2] It is the first species where trioecy was reported in the phylum Mollusca.[3]
Individuals can be up to 42 mm[1] or 50 mm in size.[4]
The species reproduces sexually.[1] In the past this species was described as simultaneous hermaphroditic but it was later confirmed the species is trioecious. It is believed this species evolved from a gonochoric ancestor.[3]
Its habitat is rocky shores.[5] The species has been found off the coasts of South Africa and is native to Chile.[6] The species is also invasive off the coast of Angola and Namibia.[7]
Semimytilus algosus is a species of mussels. A common name for this species is Bisexual mussel, or Dwarf mussel. It is the first species where trioecy was reported in the phylum Mollusca.
