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Gastropods are capable of being either male or female, or hermaphrodites, and this makes their reproduction system stand out amongst many other invertebrates. Hermaphroditic gastropods possess both the egg and sperm gametes which gives them the opportunity to self-fertilize. [4] C. obtusus is a snail species of the Eastern Alps. In the ...
Vittina natalensis, commonly known as spotted nerite or zebra nerite, [2] [3] is a species of small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites. [4] It returns to brackish waters to reproduce.
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.
Snails will begin reproducing at a size as small as 5 millimetres (1 ⁄ 4 in) [30] or 10 millimetres (3 ⁄ 8 in) in length and broods may contain over seventy offspring (iteroparity). [5] The size of the shell of the parent at peak release of juveniles is 20.0 millimetres ( 3 ⁄ 4 in). [ 30 ]
4 Reproduction. 5 Other life. 6 References. ... This filter-feeding habit makes this snail popular with owners of ponds or aquariums where they are known to consume ...
Physella acuta is a relatively common freshwater aquarium pest. It usually spreads by laying its eggs on plants which are then bought and taken home. Physella acuta can be annoying and reproduce quickly compared to other snails. It is generally non-harmful to the aquarium, but often found to be unsightly as well as adding to the aquarium's ...
An aquarium ramshorn snail. The term ramshorn snail or ram's horn snail is used in two different ways. In the aquarium trade it is used to describe various kinds of freshwater snails whose shells are planispiral, meaning that the shell is a flat coil.
These snails are sometimes viewed as pests in aquarium tanks with fish, because the snails create waste, reproduce very often, and are very hard to remove completely. However, some aquarium owners deliberately chose to add these freshwater pond snails to their tank because the snails will eat uneaten fish food, algae and waste, as well as ...