Megabalanus azoricus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Thecostraca
Subclass: Cirripedia
Order: Balanomorpha
Family: Balanidae
Genus: Megabalanus
Species:
M. azoricus
Binomial name
Megabalanus azoricus
(Pilsbry, 1916)
Synonyms[1]

Balanus (Megabalanus) tintinnabulum subsp. azoricus Pilsbry, 1916

Megabalanus azoricus, the Azorean barnacle,[2] is a species of large barnacle in the family Balanidae.[1][3][4] It is endemic to Macaronesia: the Azores, Madeira, the Canary Islands, and Cape Verde.[4] It is the largest and third most common shallow water barnacle of the Azores, where it is heavily exploited for food and has a high commercial value since the colonization of the islands. It was included in the 100 species for priority management within Macaronesia. It is a thoracopodal filter feeder and the majority are hermaphrodites. It is more abundant in the first 3 m (9.8 ft) on the low intertidal and infralittoral rocky shores.[5][6] The empty shells of the barnacles are a vital habitat for the blennies Parablennius ruber, P. incognitus and Coryphoblennius galerita as they provide shelter and substrata for egg deposition during reproduction. A large number of invertebrate species also use the empty shells.[2] Although present throughout the archipelago, it is more abundant in the eastern islands. It has a genetic similarity with Megabalanus tintinnabulum. Some crucial features of the M. azoricus species are digonic hermaphroditism in sessile adults, development of planktotrophic larvae, dependence on exposed rocky shores in the intertidal habitat, and insular distribution restricted to the northeastern Atlantic oceanic islands.[4]

References

  1. 1 2 "Megabalanus azoricus (Pilsbry, 1916)". Global Biodiversity Information Facility. Retrieved 12 November 2022.
  2. 1 2 "Azorean barnacle" (PDF). OSPAR Convention. Retrieved 16 February 2021.
  3. ↑ "Megabalanus azoricus (Pilsbry, 1916)". WoRMS. World Register of Marine Species. 2022. Retrieved 12 November 2022.
  4. 1 2 3 Quinteiro, Javier; Manent, Pablo; Pérez-Diéguez, Lois; González, José A.; Almeida, Corrine; Lopes, Evandro; Araújo, Ricardo; Carreira, Gilberto P.; Rey-Méndez, Manuel; González-Henríquez, Nieves (2015). "Phylogeography of a marine insular endemic in the Atlantic Macaronesia: the Azorean barnacle, Megabalanus azoricus (Pilsbry, 1916)". PLOS ONE. 10 (4): e0124707. doi:10.1371/journal.pone.0124707. PMC 4412576.
  5. ↑ Dionísio, M.; Costa, A.; Rodrigues, A. (2012). "Re-examination of Megabalanus azoricus (Cirripedia: Balanomorpha): a natural and edible resource to preserve". Marine Biodiversity Records. 5: e110. doi:10.1017/S1755267212000590.
  6. ↑ Nunes, Carla; Paulino, Barbara; Rodeia, João; Girolamo, Mirko De; Isidro, Eduardo (2016). O cultivo larvar da craca Megabalanus azoricus, nos laboratórios AquaLab. Fórum Internacional das Pescas dos Açores. doi:10.13140/RG.2.2.16115.32809.
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