Planorbella duryi
{{Short description|Species of gastropod}}
{{Speciesbox
| fossil_range = {{Fossil range|Piacenzian|present|}}Piacenzian - recent
| image = Planorbelladuryi.jpg
| image_caption = A live Planorbella duryi individual
| taxon = Planorbella duryi
| authority = (Wetherby, 1879)
| synonyms = * Planorbis (Helisoma) duryi Wetherby, 1879
- Helisoma duryi (Wetherby, 1879)
}}
Planorbella duryi, common name the Seminole rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails. The species is endemic to Florida and is found frequently in home aquariums.
Description
file:Planorbella duryi shell.png of Planorbella duryi. Scale bar is 10 mm.]]
In the wild they are brown.{{Cite web |url=https://www.conchology.be/?t=68&u=1135872&g=cb514fcc8e127211a5e2f45e2b455bac&q=a2f550618007754be379ad7b1171d46f
|title=PLANORBIDAE, Helisoma duryi {{!}} Conchology
|website=conchology.be}} In captivity they have been bred to come in many colours. These colours are:
- Brown
- Brown leopard
- Blue
- Blue leopard
- Red/orange
- Pink
- Green
- Purple{{Cite web |url=https://puregoldfish.com/ramshorn-snail/
|title=Ramshorn Snail: Care, Colors & Info (+ Why You Need Them)
|website=pure gold fish}}
Distribution
This species of snail is endemic to the freshwater ecosystems of the US state of Florida.{{Cite web |url=http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=3239
|title=AnimalBase :: Helisoma duryi species homepage
|website=animalbase}} Fossils of the species have been found dating back to the Piacenzian, in the Tamiami formation.
It has been introduced to Hawaii and lives in the wild there.{{Cite web |url=http://hbs.bishopmuseum.org/waipio/Critter%20pages/planorbella.html
|title=Planorbella duryi
|website=hbs.bishopmuseum}} It is an introduced species in various European islands and countries including:{{Cite web |url=http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=3239
|title=AnimalBase :: Helisoma duryi species homepage
|website=animalbase}}
- Great Britain as a "hothouse alien"{{Cn|date=November 2023}}
- Hungary{{Cn|date=November 2023}}
- Ireland as a "hothouse alien"{{Cn|date=November 2023}}
- Parts of Southern Nigeria [e.g Ogun State, Lagos, Oyo]{{Cn|date=November 2023}}
- Palestine, first discovered in the pond at the Palestine Museum of Natural History{{Cite journal |last=Handal |first=Elias |last2=Adawi |first2=Shadi |last3=Gedeon |first3=Johann |last4=Amr |first4=Zuhair S. |date=2023-03-25 |title=Notes on the current status of freshwater snails fauna of the Palestinian territories (West Bank) |url=https://www.foliamalacologica.com/Notes-on-the-current-status-of-freshwater-snails-fauna-of-the-Palestinian-territories,162614,0,2.html |journal=Folia Malacologica |language=english |volume=31 |issue=2 |pages=92–99 |doi=10.12657/folmal.031.010 |issn=1506-7629|doi-access=free }}
- Poland{{Cn|date=November 2023}}
- A live population was found in a brook with thermal water flowing from the Sliač spa, Slovakia, in 2023.{{Cite journal |last=Čejka |first=Tomáš |last2=Beran |first2=Luboš |last3=Adamcová |first3=Tereza |last4=Bronišová |first4=Veronika |last5=Coufal |first5=Radovan |last6=Čiliak |first6=Marek |last7=Drvotová |first7=Magda |last8=Horáčková |first8=Jitka |last9=Horsáková |first9=Veronika |last10=Juřičková |first10=Lucie |last11=Kocurková |first11=Alena |last12=Korábek |first12=Ondřej |last13=Podroužková |first13=Štěpánka |last14=Říhová |first14=Dagmar B. |last15=Šlachtová |first15=Erika |date=2024-06-24 |title=Malacological news from the Czech and Slovak Republics in 2023 |url=https://mollusca.sav.sk/pdf/23/23.Cejka.htm |journal=Malacologica Bohemoslovaca |language=en |volume=23 |pages=69–83 |doi=10.5817/MaB2024-23-69 |issn=1336-6939}}
Habitat
They are found in most freshwater habitats including streams and ponds.{{Cite web |url=http://hbs.bishopmuseum.org/waipio/Critter%20pages/planorbella.html
|title=Planorbella duryi
|website=hbs.bishopmuseum}}
Conservation status
This species is listed by natureserve as G5.{{Cite web |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.113488/Planorbella_duryi
|title=Planorbella duryi {{!}} NatureServe Explorer 2.0
|website=natureserve Explorer}}
Diet
They eat dead or decaying plants or fish, and algae.{{Cite web |url=https://www.aquariumcarebasics.com/freshwater-snails/ramshorn-snail/
|title=Ramshorn Snails - Detailed Guide: Care, Diet and Breeding
|website=aquarium breeder}}
Breeding
They are hermaphrodites. They lay eggs and are very fast breeders.{{Cite web |url=https://aquariumbreeder.com/ramshorn-snails-detailed-guide-care-diet-and-breeding/
|title=Ramshorn Snail Care, Size, Food, Reproduction, Lifespan - Video
|website=aquarium care basics}} The eggs are spawned in a transparent gelatinous mass and usually hatch in three weeks. {{Cite web |last=Magare |first=S.R. |date=2015 |title=NEW RECORD OF EXOTIC SPECIES OF A SNAIL, PLANORBELLA DURYI FORM SEMINOLIS IN INDIA. |url=https://www.srjis.com/assets/Allpdf/146709876130.S.R.Magare.pdf |url-status=live |archive-url=https://web.archive.org/web/20250303123631/https://www.srjis.com/assets/Allpdf/146709876130.S.R.Magare.pdf |archive-date=2025-03-03 |access-date=2025-03-03 |website=Scholarly Research Journals |format=PDF}}
Human use
They are a very common aquarium snail. Eggs can get into aquariums on plants. Some people consider them pests due to their ability to breed very fast and overpopulate. Other people value them as part of their clean up crew.{{Cite web |url=https://aquariuminfo.org/ramshornsnail.html
|title=Ramshorn Snail Guide {{!}} Removal & Information
|website=Aquarium info}}
References
{{reflist}}
External links
{{commons category|Planorbella duryi}}
- [http://www.jaxshells.org/semi.htm images]
- AnimalBase info at: {{Cite web |url=http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=3239
|title=AnimalBase :: Helisoma duryi species homepage
|website=animalbase}}
{{Taxonbar|from=Q3075371}}