Summary
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 |
| Subclass: | Heterobranchia |
| 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 edit
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 edit
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]
Habitat edit
They are found in most freshwater habitats including streams and ponds.[7]
Conservation status edit
This species is listed by natureserve as G5.[8]
Diet edit
They eat dead or decaying plants or fish, and algae.[9]
Breeding edit
They are hermaphrodites. They lay eggs and are very fast breeders.[10]
Human use edit
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.[11]
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.
- ^ "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.