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Semimytilus algosus

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Species of mussel

Semimytilus algosus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Mytilida
Family: Mytilidae
Genus: Semimytilus
Species: S. algosus
Binomial name
Semimytilus algosus
(Gould, 1850)
Synonyms

Semimytilus algosus is a species of mussels. A common name for this species is Dwarf mussel. It is the first species where trioecy was reported in the phylum Mollusca.

Size

Individuals can be up to 42 or 50 millimetres (1.7 or 2.0 in) in size.

Reproduction

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.

Occurrence

Its habitat is rocky shores. The species has been found off the coasts of South Africa and is native to Chile. The species is also invasive off the coast of Angola and Namibia.

References

  1. "Dwarf mussel". SANBI. 20 May 2018. Retrieved 2021-10-11.
  2. ^ Oyarzún, Pablo A.; Nuñez, José J.; Toro, Jorge E.; Gardner, Jonathan P. A. (2020). "Trioecy in the Marine Mussel Semimytilus algosus (Mollusca, Bivalvia): Stable Sex Ratios Across 22 Degrees of a Latitudinal Gradient". Frontiers in Marine Science. 7. doi:10.3389/fmars.2020.00348. ISSN 2296-7745.
  3. Branch, George (2017-03-10). Two Oceans: A guide to the marine life of southern Africa. Penguin Random House South Africa. pp. 60–36. ISBN 978-1-77584-278-1.
  4. Picker, Mike (2013-10-24). Alien and Invasive Animals: A South African Perspective. Penguin Random House South Africa. ISBN 978-1-77584-130-2.
  5. Greef, K. de; Griffiths, C. L.; Zeeman, Z. (2013-09-01). "Deja vu? A second mytilid mussel, Semimytilus algosus, invades South Africa's west coast". African Journal of Marine Science. 35 (3): 307–313. Bibcode:2013AfJMS..35..307D. doi:10.2989/1814232X.2013.829789. hdl:10019.1/121931. ISSN 1814-232X. S2CID 84892353.
  6. Ma, Kevin C. K.; Zardi, Gerardo I.; McQuaid, Christopher D.; Nicastro, Katy R. (2020-09-11). "Historical and contemporary range expansion of an invasive mussel, Semimytlius algosus, in Angola and Namibia despite data scarcity in an infrequently surveyed region". PLOS ONE. 15 (9): e0239167. Bibcode:2020PLoSO..1539167M. doi:10.1371/journal.pone.0239167. ISSN 1932-6203. PMC 7485899. PMID 32915915.
Taxon identifiers
Semimytilus algosus
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