the most characteristic features of apple snails is the tube like organ ( siphon ) used to breathe while staying submerged. if your snail has such organ it's definitely an apple snail. the eggs of most apple snails are laid above the water level. if your snail laid her eggs above the water, you can...
as being an apple snails. however, from an based on the anatomy, these snails definately belong to the ampullariidae snails are are probably closely related to the asolene genus. in the aquarium trade these snail are often know as the 'giant ramhorn snails'. type species is marisa cornuarietis (gray...
(flat shell). apple snails have a dextral shell (shell opening at the right like in the picture above) except the apple snails from the genus lanistes who have a sinistral shell (shell opening at the left), although there are reports of sinistral animals in the other genera (see the literature : cazzaniga...
individual base, but clear when measuring large amount of snails (in other words, it's possible to show the difference based on statistics). in some species however, the difference between male and female are very obvious in the adult snails. for example in pomacea flagellata flagellata , the male has...
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the lake. also, lanistes solidus is endemic to lake malawi, while lanistes ellipticus can be found at many places in central and southern africa. nevertheless, lanistes solidus could be considered a heavier, lacustrine (lake specific) form of lanistes ellipticus. shell : lanistes solidus is a rather...
, they are all soft on the inside. they are one of the largest animal groups with about species worldwide which make up about a quarter of all marine animals. in australia there about species. molluscs are found in marine, freshwater and land habitats. there are great differences in the size, structure...
have a globose shell with an oval shell opening (aperture). the spire is rather short and the umbilicus narrow to nearly closed. the surface of the shell is smooth. the colour varies from bright green to orange-brown with reddish spiral bands. the internal part of the shell is yellowish with a tinge...
a basic guide to other common freshwater snails . bio-agent apple snails as a biological agent to control the population of disease transmitting snails?...
° angle) sutures. in some occasions, the sutures are almost absent, resulting in a smooth spire. the shell lip is often slightly reflected and the umbilicus is narrow and deep. size: - mm wide, - mm high (only slightly higher then wide). there are many variations known of this subspecies, mainly variations...