Bulinus Jousseaumei on:
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''Bulinus jousseaumei'' is a species of
tropical
The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in
the Southern Hemisphere at S. The tropics are also referred to ...
freshwater snail
Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...
, an aquatic gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
in the family Planorbidae
Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin ins ...
, the ramshorn snails and their allies.
Like other planorbids, the shell of the species is sinistral
Sinistral and dextral, in some scientific fields, are the two types of chirality ("handedness") or relative direction. The terms are derived from the Latin words for "left" (''sinister'') and "right" (''dexter''). Other disciplines use different ...
in coiling.
Distribution
The distribution of ''Bulinus jousseaumei'' includes Western Africa: * Burkina Faso * Gambia * Mali * Niger * Nigeria *Senegal
Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤠(Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤠ðž ...
* Togo
The type locality for this species is the Sénégal River
,french: Fleuve Sénégal)
, name_etymology =
, image = Senegal River Saint Louis.jpg
, image_size =
, image_caption = Fishermen on the bank of the Senegal River estuary at the outskirts of Saint-Louis, Senegal ...
close to Médine, Mali
Médine is a village and principal settlement (''chef-lieu'') of the commune of Hawa Dembaya in the Cercle of Kayes in the Kayes Region of south-western Mali.. The village is located 12 km east of Kayes on the left bank of the Sénégal R ...
.Brown D. S. (1994). ''Freshwater Snails of Africa and their Medical Importance''. Taylor & Francis
Taylor & Francis Group is an international company originating in England that publishes books and academic journals. Its parts include Taylor & Francis, Routledge, F1000 (publisher), F1000 Research or Dovepress. It is a division of Informa ...
. . pages 228, 504.
Description
The width of the shell is 8 mm. The height of the shell is 11 mm. Diploidchromosome number
Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Sets of chromosomes refer to the number of maternal and paternal chromosome copies, respectively ...
is 2n = 36.
Ecology
This snail lives in permanent streams. It can live in a water current that has a speed up to 0.86 m·s−1 based on laboratory experiments. The male part of thereproductive system
The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction. Many non-living substances such as fluids, hormones, and pheromones are als ...
is developed "slightly earlier" (protandry
Sequential hermaphroditism (called dichogamy in botany) is a type of hermaphroditism that occurs in many fish, gastropods, and plants. Sequential hermaphroditism occurs when the individual changes its sex at some point in its life. In particular, ...
) in ''Bulinus jousseaumei''.
This species is an intermediate host
In biology and medicine, a host is a larger organism that harbours a smaller organism; whether a parasitic, a mutualistic, or a commensalist ''guest'' (symbiont). The guest is typically provided with nourishment and shelter. Examples include a ...
for ''Schistosoma curassoni
''Schistosoma'' is a genus of trematodes, commonly known as blood flukes. They are parasitic flatworms responsible for a highly significant group of infections in humans termed ''schistosomiasis'', which is considered by the World Health Organi ...
'' and for ''Schistosoma haematobium
''Schistosoma haematobium'' (urinary blood fluke) is a species of digenetic trematode, belonging to a group (genus) of blood flukes (''Schistosoma''). It is found in Africa and the Middle East. It is the major agent of schistosomiasis, the most ...
''.
References
Further reading
* Green P., Dussart G. B. J. & Gibson C. (1992). "Surfacing and water-leaving behaviour of the freshwater pulmonate snails ''Lymnaea peregra'' (Müller), ''Biomphalaria glabrata'' (Say) and ''Bulinus jousseaumei'' (Dautzenberg)". ''Journal of Molluscan Studies
The ''Journal of Molluscan Studies'' is the peer-reviewed scientific journal of the Malacological Society of London, covering research in malacology.
'' 58(2): 169-179. .
* Wright C. A. (1957). "Studies on the structure and taxonomy of ''Bulinus jousseaumei'' (Dautzenberg)". ''Bulletin of the British Museum
''Bulletin of the Natural History Museum'', formerly known as ''Bulletin of the British Museum (Natural History)'' is a series of scientific journals published by the British Museum, and later by the Natural History Museum of London. Titles in the ...
(Natural History), Zoology'' 5: 1-28.
External links
{{Taxonbar, from=Q4996451 Bulinus Gastropods described in 1890