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Pomacea canaliculata. (Lamarck, 1819) Pomacea canaliculata, commonly known as the golden apple snail or the channeled apple snail, is a species of large freshwater snail with gills and an operculum, an aquatic gastropod mollusc in the family Ampullariidae, the apple snails. South American in origin, this species is considered to be in the top ...
Reproductive system of gastropods. Entwined everted penises of a pair of mating hermaphrodite slugs in the species Limax maximus. The reproductive system of gastropods (slugs and snails) varies greatly from one group to another within this very large and diverse taxonomic class of animals. Their reproductive strategies also vary greatly.
Pomacea (Effusa) Jousseaume, 1889. Pomacea (Pomacea) Perry, 1810. Pomacea (Surinamia) Clench, 1933. Pomacea is a genus of freshwater snails with gills and an operculum, aquatic gastropod mollusks in the family Ampullariidae, the apple snails. The genus is native to the Americas; most species in this genus are restricted to South America.
Pomacea bridgesii. (Reeve, 1856) Pomacea bridgesii, common name the spike-topped apple snail or mystery snail, is a South American species of freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Ampullariidae. These snails were most likely introduced to the United States through the aquarium trade.
The apple snail's usual enemies are the birds limpkin and snail kite. Apple snails inhabit various ecosystems: ponds, swamps and rivers. Although they occasionally leave the water, they spend most of their time under water. Unlike the pulmonate snail families, apple snails are not hermaphroditic, but gonochoristic; i.e. they have separate sexes.
Shell description. Five views of a shell of Pomacea paludosa. This species is the largest freshwater gastropod native to North America. [3] The shell is globose in shape. The whorls are wide, the spire is depressed, and the aperture is narrowly oval. [3] The shells are brown in color, and have a pattern of stripes.
The apple snail is a keystone species in Pantanal's ecosystem. When the wetlands are flooded once a year, the grass and other plants will eventually die and start to decay. During this process, decomposing microbes deplete the shallow water of all oxygen, suffocating larger decomposer
Binomial name. Pomacea haustrum. (Reeve, 1856) [1] Pomacea haustrum, common name the titan applesnail, is a species of large freshwater snail with an operculum, an aquatic gastropod mollusk in the family Ampullariidae, the applesnails.