Peringia ulvae: Difference between revisions
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''Hydrobia ulvae'' feeds on [[detritus]] and it also consumes [[seaweeds]] directly.<ref name="AB"/> |
''Hydrobia ulvae'' feeds on [[detritus]] and it also consumes [[seaweeds]] directly.<ref name="AB"/> |
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It is [[dioecious]] with sexes being easily identified through [[dissection]].<ref name="Brownlow 2008"/> On the west coast of [[Wales]] this species has peaks of [[spawning]] activity in spring and autumn and produces [[planktotrophic]] larvae ([[veliger]])<ref>Fish J. D. & Fish S. (1977). "The veliger larva of ''Hydrobia ulvae'' with observations on the veliger of ''Littorina littorea'' (Mollusca: Prosobranchia)". ''[[Journal of Zoology]]'' '''182'''(4): 495-503. |
It is [[dioecious]] with sexes being easily identified through [[dissection]].<ref name="Brownlow 2008"/> On the west coast of [[Wales]] this species has peaks of [[spawning]] activity in spring and autumn and produces [[planktotrophic]] larvae ([[veliger]])<ref>Fish J. D. & Fish S. (1977). "The veliger larva of ''Hydrobia ulvae'' with observations on the veliger of ''Littorina littorea'' (Mollusca: Prosobranchia)". ''[[Journal of Zoology]]'' '''182'''(4): 495-503. {{doi|10.1111/j.1469-7998.1977.tb04165.x}}.</ref> that remain in the plankton for up to four weeks before settlement.<ref name="Brownlow 2008"/> This period of development affords the potential for [[Biological dispersal|dispersal]] to new habitats and mixing with geographically separate populations.<ref name="Brownlow 2008"/> The species provides an interesting case for [[Molecular biology|molecular analysis]] as the pelagic dispersal phase raises fascinating questions on [[gene flow]], differentiation, recruitment, and [[inbreeding]], but there remains the potential for self-recruitment of estuarine populations.<ref name="Brownlow 2008"/> |
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One of its natural predators is the Arctic barrel-bubble (''[[Retusa obtusa]]'').{{fact|date=September 2011}} |
One of its natural predators is the Arctic barrel-bubble (''[[Retusa obtusa]]'').{{fact|date=September 2011}} |
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==References== |
==References== |
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This article incorporates public domain text from references<ref name="AB">[http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=2191 "Species summary for ''Peringia ulvae''"]. [[AnimalBase]], last modified 30 March 2009, accessed 16 September 2011.</ref><ref name="Pennant 1777"/> and CC-BY-2.0 text from the reference<ref name="Brownlow 2008">Brownlow R. J., Dawson D. A., Horsburgh G. J., Bell J. J. & Fish J. D. (2008). "A method for genotype validation and primer assessment in heterozygote-deficient species, as demonstrated in the prosobranch mollusc ''Hydrobia ulvae''". ''[[BMC Genetics]]'' '''9''': 55. |
This article incorporates public domain text from references<ref name="AB">[http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=2191 "Species summary for ''Peringia ulvae''"]. [[AnimalBase]], last modified 30 March 2009, accessed 16 September 2011.</ref><ref name="Pennant 1777"/> and CC-BY-2.0 text from the reference<ref name="Brownlow 2008">Brownlow R. J., Dawson D. A., Horsburgh G. J., Bell J. J. & Fish J. D. (2008). "A method for genotype validation and primer assessment in heterozygote-deficient species, as demonstrated in the prosobranch mollusc ''Hydrobia ulvae''". ''[[BMC Genetics]]'' '''9''': 55. {{doi|10.1186/1471-2156-9-55}}.</ref> |
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{{reflist}} |
{{reflist}} |
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Revision as of 14:27, 10 April 2012
| Hydrobia ulvae | |
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| A bleached-out shell of Hydrobia ulvae | |
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| Species: | H. ulvae
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| Binomial name | |
| Hydrobia ulvae | |
| Synonyms[2][3] | |
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Hydrobia ulvae, also known as Peringia ulvae,[3] common name the Laver spire shell, is an European species of very small aquatic snail with gills and an operculum, a gastropod mollusk in the family Hydrobiidae.[2]
This is arguably a marine snail, but it is often also listed as a non-marine species because it tolerates brackish water and lives in salt marshes and similar habitats.
When it is within the genus Peringia, this species is the type species of the genus Peringia.[4]
Distribution
This species occurs on the coasts of the Baltic Sea, the Eastern Atlantic and the western Mediterranean Sea,[3] including:
The type locality is "on the shores of Flintshire", Wales, United Kingdom.[1]
Description
This species was originally described by Welsh naturalist Thomas Pennant in 1777.[1] Pennant's original text (the type description) reads as follows:[1]
Ulvae.
T. with four spires, the first ventricose; of a deep brown color; aperture oval.
Size of a grain of wheat.
Tab. lxxxvi. fig. 120.
Inhabits Ulva Lactuca on the shores of Flintshire.
"T." is an abbreviated word testa from Latin language, that means "shell".
The shell is often heavily corroded, usually whitish with brown peristome present on the last whorl.[3] The shell has 5-7 very weakly convex whorls, that are regularly increasing but not always regularly rounded.[3] The lip is attached to the last whorl.[3]
The width of the shell is 2.5-3 mm.[3] The height of the shell is 4-5.5 mm.[3]
Habitat
Hydrobia ulvae is a widespread and abundant member of the benthic fauna of estuarine habitats and coastal brackish and salt waters.[5][3] It is very common in brackish water and saltwater, in estuaries and salt marshes.[3] It is most common in the upper half of the intertidal zone.[3] It tolerates salinity 1.0-3.3 %.[3]
Hydrobia ulvae seems to prefer more exposed localities with less vegetation than Hydrobia ventrosa and Hydrobia neglecta.[3]
Hydrobia ulvae feeds on detritus and it also consumes seaweeds directly.[3]
It is dioecious with sexes being easily identified through dissection.[5] On the west coast of Wales this species has peaks of spawning activity in spring and autumn and produces planktotrophic larvae (veliger)[6] that remain in the plankton for up to four weeks before settlement.[5] This period of development affords the potential for dispersal to new habitats and mixing with geographically separate populations.[5] The species provides an interesting case for molecular analysis as the pelagic dispersal phase raises fascinating questions on gene flow, differentiation, recruitment, and inbreeding, but there remains the potential for self-recruitment of estuarine populations.[5]
One of its natural predators is the Arctic barrel-bubble (Retusa obtusa).[citation needed]
References
This article incorporates public domain text from references[3][1] and CC-BY-2.0 text from the reference[5]
- ^ a b c d e Pennant T. (1777). British zoology. Vol. IV. Crustacea. Mollusca. Testacea. pp. 1-3, iii-viii, 1-10, 1-154, Plates 1-93. London, White. page 132.
- ^ a b Gofas, S. (2010). Hydrobia ulvae (Pennant, 1777). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=140126 on 2010-11-27.
- ^ a b c d e f g h i j k l m n o "Species summary for Peringia ulvae". AnimalBase, last modified 30 March 2009, accessed 16 September 2011.
- ^ "Genus summary for Peringia". AnimalBase, last modified 16 August 2006, accessed 16 September 2011.
- ^ a b c d e f Brownlow R. J., Dawson D. A., Horsburgh G. J., Bell J. J. & Fish J. D. (2008). "A method for genotype validation and primer assessment in heterozygote-deficient species, as demonstrated in the prosobranch mollusc Hydrobia ulvae". BMC Genetics 9: 55. doi:10.1186/1471-2156-9-55.
- ^ Fish J. D. & Fish S. (1977). "The veliger larva of Hydrobia ulvae with observations on the veliger of Littorina littorea (Mollusca: Prosobranchia)". Journal of Zoology 182(4): 495-503. doi:10.1111/j.1469-7998.1977.tb04165.x.
Further reading
- Backeljau T. (1986). Lijst van de recente mariene mollusken van België [List of the recent marine molluscs of Belgium]. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussels, Belgium. 106 pp.
- Fish J. D., Fish S. & Foley H. (2000). "The biology of mud snails with particular reference to Hydrobia ulvae". In: British Saltmarshes. Sherwood B. R., Gardiner B. G. & Harris T. (eds.) London, Linnean Society: 165-179.
- Gofas S., Le Renard J., Bouchet P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180-213.
- Haase M. (1993). "The genetic differentiation in three species of the genus Hydrobia and systematic implications (Caenogastropoda, Hydrobiidae)". Malacologia 35: 389-398.
- Muller Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp.
External links
Databases 
people - Peringia ulvae Species account and photograph at Mollusc Ireland.
