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.
| Planorbella duryi Temporal range: Piacenzian - recent
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|---|---|
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| A live Planorbella duryi individual | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Superorder: | Hygrophila |
| Family: | Planorbidae |
| Genus: | Planorbella |
| Species: | P. duryi
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| Binomial name | |
| Planorbella duryi (Wetherby, 1879)
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| Synonyms | |
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Description
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In the wild they are brown.[1] 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[2]
Distribution
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This species of snail is endemic to the freshwater ecosystems of the US state of Florida.[3] 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.[4] It is an introduced species in various European islands and countries including:[5]
- Great Britain as a "hothouse alien"[citation needed]
- Hungary[citation needed]
- Ireland as a "hothouse alien"[citation needed]
- Parts of Southern Nigeria [e.g Ogun State, Lagos, Oyo][citation needed]
- Palestine, first discovered in the pond at the Palestine Museum of Natural History[6]
- Poland[citation needed]
- A live population was found in a brook with thermal water flowing from the Sliač spa, Slovakia, in 2023.[7]
Habitat
editThey are found in most freshwater habitats including streams and ponds.[8]
Conservation status
editThis species is listed by natureserve as G5.[9]
Diet
editThey eat dead or decaying plants or fish, and algae.[10]
Breeding
editThey are hermaphrodites. They lay eggs and are very fast breeders.[11]
Human use
editThey 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.[12]
References
edit- ^ "PLANORBIDAE, Helisoma duryi | Conchology". conchology.be.
- ^ "Ramshorn Snail: Care, Colors & Info (+ Why You Need Them)". pure gold fish.
- ^ "AnimalBase :: Helisoma duryi species homepage". animalbase.
- ^ "Planorbella duryi". hbs.bishopmuseum.
- ^ "AnimalBase :: Helisoma duryi species homepage". animalbase.
- ^ Handal, Elias; Adawi, Shadi; Gedeon, Johann; Amr, Zuhair S. (2023-03-25). "Notes on the current status of freshwater snails fauna of the Palestinian territories (West Bank)". Folia Malacologica. 31 (2): 92–99. doi:10.12657/folmal.031.010. ISSN 1506-7629.
- ^ Čejka, Tomáš; Beran, Luboš; Adamcová, Tereza; Bronišová, Veronika; Coufal, Radovan; Čiliak, Marek; Drvotová, Magda; Horáčková, Jitka; Horsáková, Veronika; Juřičková, Lucie; Kocurková, Alena; Korábek, Ondřej; Podroužková, Štěpánka; Říhová, Dagmar B.; Šlachtová, Erika (2024-06-24). "Malacological news from the Czech and Slovak Republics in 2023". Malacologica Bohemoslovaca. 23: 69–83. doi:10.5817/MaB2024-23-69. ISSN 1336-6939.
- ^ "Planorbella duryi". hbs.bishopmuseum.
- ^ "Planorbella duryi | NatureServe Explorer 2.0". natureserve Explorer.
- ^ "Ramshorn Snails - Detailed Guide: Care, Diet and Breeding". aquarium breeder.
- ^ "Ramshorn Snail Care, Size, Food, Reproduction, Lifespan - Video". aquarium care basics.
- ^ "Ramshorn Snail Guide | Removal & Information". Aquarium info.
External links
edit
- images
- AnimalBase info at: "AnimalBase :: Helisoma duryi species homepage". animalbase.