page_title: Marisa cornuarietis
section_title: Description
hierarchical_section_title: Marisa cornuarietis / Description
caption_attribution_description: Deutsch: Paradiesschnecke (Marisa cornuarietis).
context_page_description: Marisa cornuarietis, common name the Colombian ramshorn apple snail, is a species of large freshwater snail with an operculum, an aquatic gastropod mollusc in the family Ampullariidae, the apple snail family.
  These snails are popular in aquariums, and are also used in the wild as a biological control agent.
context_section_description: Although Marisa snails superficially resemble the great ramshorn snail because of the planispiral coiling of their shells, they are not at all closely related to true ramshorn snails in the family Planorbidae.
  This is an easily recognizable species: the shell is flat-coiled (planispiral). The shell color varies from pale to darker red or brown or more vivid shades of those colors, and is fairly often striped.
  The shell diameter is usually 35–50 mm (2 in) or even larger.
caption: A live Marisa cornuarietis. This photo shows a left side of the snail and umbilical view of the shell.
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