Neritona granosa

Neritona granosa is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites. [2]

Neritona granosa
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Neritimorpha
clade Cycloneritimorpha
Superfamily:
Neritoidea
Family:
Neritidae
Subfamily:
Neritininae
Tribe:
Neritinini
Genus:
Neritona
Species:
N. granosa
Binomial name
Neritona granosa
(Sowerby I, 1825)
Synonyms
  • Neritina (Neripteron) gigas Lesson, 1842
  • Neritina granosa G. B. Sowerby I, 1825 (basionym)

Distribution

This species of nerite is endemic in Hawaii: Maui.[3]

Ecology

Neritina granosa lives in streams. This species has marine larvae that migrate into and up streams after a period of oceanic dispersal. Most likely, the planktonic larvae of this neritid snail disperse across the oceanic expanses that separate the main Hawaiian Islands, and thus it can colonize streams on any or all of these islands.[4]

Conservation

The International Union for Conservation of Nature has ranked N. granola as vulnerable to extinction.[1] It likely does not occur in more than ten locations and is in decline. It historically occurred in Kauai, Maui, Molokai, Hawaii and Oahu but is presently confirmed from Maui, Hawaii, Kauai and Oahu. Major threats include obstruction of natural stream flow and inundation by saline water.[1]

References

This article incorporates public domain text (a public domain work of the United States Government) from reference.[4]

  1. Cordeiro, J. & Perez, K. (2012). "Neritina granosa". IUCN Red List of Threatened Species. 2012: e.T189675A1932107. doi:10.2305/IUCN.UK.2012-1.RLTS.T189675A1932107.en. Retrieved 3 September 2023.
  2. MolluscaBase eds. (2021). MolluscaBase. Neritona granosa (G. B. Sowerby I, 1825). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1329667 on 2021-09-26
  3. Hau S. (2007). "Hïhïwai (Neritina granosa Sowerby) Recruitment in 'Ïao and Honomanü Streams on the Island of Maui, Hawai‘i". In: Evenhuis N. L. & Fitzsimons J. M. (eds.). Biology of Hawaiian Streams and Estuaries. Bishop Museum Bulletin in Cultural and Environmental Studies 3: 171–181. PDF
  4. U.S. Fish and Wildlife Service (18 September 2006) "Recovery plan for the Newcomb's snail (Erinna newcombi)". U.S. Fish and Wildlife Service, Portland, Oregon. 52 pp.

Further reading
  • Ford J. I. (1979). "Biology of a Hawaiian fluvial gastropod Neritina granosa Sowerby (Prosobranchia: Neritidae)". M.S. Thesis, University of Hawaii, Honolulu, Hawaii: 94 pp.
  • Hau S., Way C. M. & Burky A. J. (1992). "Life cycle of the endemic limpet Neritina granosa (Sowerby)", in Palauhulu Stream, Maui. 43rd Annual Meeting of American Institute of Biological Sciences. Ecological Society of America, 9–13 August, Honolulu, Hawaii (abstract).
  • Hodges M. H.-D. (July 1992). "Population biology and genetics of the endemic Hawaiian stream gastropod Neritina granosa (Prosobranchia: Neritidae): implications for conservation". Honors Thesis, Wildlife Biology Program University of Montana, Missoula, Montana.
  • Haynes, A. 2005. An evaluation of members of the genera Clithon Montfort, 1810 and Neritina Lamarck 1816 (Gastropoda: Neritidae). Molluscan Research 25(2): 75-84.


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