Seminole Rams-horn: Family Planorbidae

Seminole Rams-horn
Planorbella duryi (Wetherby, 1879)
Family Planorbidae

Seminole Rams-horn, an air-breathing freshwater snail, is rare on S. Hutchinson Island.


Seminole Rams-horn found on S. Hutchinson Island, March 2021


 Seminole Rams-horn (flip side)

See: http://www.jaxshells.org/semi.htm

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Planorbella duryi
From Wikipedia, the free encyclopedia

Planorbella duryi
Planorbella duryi shell.png
Apical and apertural view of a shell of Planorbella duryi. Scale bar is 10 mm.
Scientific classification
Kingdom:     Animalia
Phylum:     Mollusca
Class:     Gastropoda
(unranked):     clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Hygrophila
Superfamily:     Planorboidea
Family:     Planorbidae
Genus:     Planorbella
Species:     P. duryi
Binomial name
Planorbella duryi
(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.

Description

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

This species of snail is endemic to Florida, United States.[3]

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"
    Ireland as a "hothouse alien"
    Poland
    Hungary
    Parts of Southern Nigeria [e.g Ogun State, Lagos, Oyo]

Habitat

They are found in most freshwater habitats including streams and ponds.[6]
Conservation status

This species is listed by natureserve as G5.[7]
Diet

They eat dead or decaying plants or fish, and algae.[8]
Breeding

They are hermaphrodites. They lay eggs and are very fast breeders.[9]
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.[10]
References

"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.
"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
    Wikimedia Commons has media related to Planorbella duryi.

    images
    AnimalBase info at: "AnimalBase :: Helisoma duryi species homepage". animalbase.

 

 


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