Clithon oualaniense

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Clithon oualaniense
Guamanian Nerite, Kusu Island imported from iNaturalist photo 456673137.jpg
Live Clithon oualaniense in situ
Naturalis Biodiversity Center - ZMA.MOLL.313805 - Clithon oualaniensis (Lesson, 1831) - Neritidae - Mollusc shell.jpeg
Clithon oualaniense shells
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Neritimorpha
Order: Cycloneritida
Family: Neritidae
Genus: Clithon
Species:
C. oualaniense
Binomial name
Clithon oualaniense
(Lesson, 1831) [2]
Synonyms [3]

Neritina oualaniensis Lesson, 1831
Clithon oualaniensis [sic] (incorrect gender ending)
Theodoxus oualaniense (Lesson, 1831)
Pictoneritina oualaniensis (Lesson, 1831)

Contents

Clithon oualaniense [3] is a species of brackish water [4] snail with an operculum, a nerite. It is an aquatic gastropod mollusk in the family Neritidae, the nerites.

Distribution

This species occurs in Indo-Pacific region: Nansei-shoto in Japan, Hong Kong, Thailand, Peninsular Malaysia, Singapore, Jawa in Indonesia, Philippines, Papua New Guinea, Queensland in Australia [1] India [5] and Ceylon. [4] It also occurs in American Samoa, Cook Islands, Fiji, French Polynesia, Guam, New Caledonia, Samoa, Solomon Islands and Vanuatu. [1]

Description

The coloration pattern on the shell is very variable. [4] [6]

Clithon oualaniense shell Clithon oualaniense shell.png
Clithon oualaniense shell

Ecology

Clithon oualaniense is a eurybiotic species. [7] It inhabits soft bottoms of intertidal habitats. [7] It can occur in high density, for example 347 snails per m² was recorded, that correspond to the biomass of 30.6 g per m². [7] It also inhabits sea grass bed with Zostera japonica . [8] The activity of Clithon oualaniense is diurnal; snails are active during the daytime and inactive at night. [8] It bury itself into the mud, when the tide is high, probably to avoid water predators. [9] They are on the surface feeding and mating when the tide is low. [9]

Clithon oualaniense is herbivorous, feeding of microalgae and on detritus. [8]

Aggregation of Batillaria zonalis and Clithon oualaniense in situ. Batillaria zonalis and Clithon oualaniense.png
Aggregation of Batillaria zonalis and Clithon oualaniense in situ .

References

  1. 1 2 3 Köhler F. (2011). "Clithon oualaniensis". The IUCN Red List of Threatened Species 2011: e.T189178A8696900. Downloaded on 04 April 2016.
  2. ↑ Lesson R. (1830). Chapitre 9. Mollusques, Annélides et Vers. page 379. In: Duperrey L. I. (ed.) Voyage de la Coquille, Zoologie 2.
  3. 1 2 Rosenberg G. (2015). Clithon oualaniense. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=737519 on 2016-04-04
  4. 1 2 3 Grüneberg H. & Nugaliyadde L. (1976). "Population studies on a polymorphic prosobranch snail (Clithon (Pictoneritina) oualaniensis Lesson). Philosophical Transactions of the Royal Society B 275(940): 385–437. doi : 10.1098/rstb.1976.0088.
  5. ↑ Kumar P. S. & Khan A. B. (2013). "The distribution and diversity of benthic macroinvertebrate fauna in Pondicherry mangroves, India". Aquatic biosystems 9(1): 1. doi : 10.1186/2046-9063-9-15 .
  6. ↑ Gruneberg H. (1982). "Pseudo-polymorphism in Clithon oualaniensis". Proceedings of the Royal Society of London B 216(1203): 147-157. doi : 10.1098/rspb.1982.0067.
  7. 1 2 3 Zvonareva S., Kantor Yu., Li X. & Britayev T. (2015). "Long-term monitoring of Gastropoda (Mollusca) fauna in planted mangroves in central Vietnam". Zoological Studies 54: 39. doi : 10.1186/s40555-015-0120-0 .
  8. 1 2 3 Takada Y. (2000). "Activity patterns of Clithon oualaniensis (Mollusca: Gastropoda) on intertidal seagrass beds in Hong Kong". In: The Marine Flora and Fauna of Hong Kong and Southern China V: Proceedings of the Tenth International Marine Biological Workshop: the Marine Flora and Fauna of Hong Kong and Southern China, Hong Kong, 6–26 April 1998 (Vol. 5, p. 217). Kent State University Press. 217-227.
  9. 1 2 Ohgaki S. I. (2001). "An example of activity pattern of the estuarine snails, Clithon faba and Clithon oualaniensis (Gastropoda: Neritidae) in the Nagura Lagoon, Ishigaki Island". Argonauta4: 28-37. HTML.
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