. small, non-concentric operculum (shell door grows at the side of the columella, not at all sides) --> neritidae discoidal shell (flat, all whorls in one plane): operculum present, shell size often over cm, often with longitudinal stripes (following the whorls - spiral bands) --> marisa (ampullariidae...
aligns the operculum at the inside. if one sees this tissue retracting, there could be a problem with the snail, although is normal in older snailsin which the growths has slowed down or even halted. discoloration in new shell the pigments that determine the colour of the shell are mainly located in...
a: from my own experience, the apple snails are not difficult when it comes to food . feed them fish-food (food for pond fish, it comes in a big box, consist of big pellets and is inexpensive), cucumber and lettuce. apple snails consume a lot of aquatic plants and algae and can be very useful in eliminating...
teriyaki ramen $ salads blue crabmeat salad served with celery and spicy mayo. $ tiger prawns salad served with celery and spicy mayo. $ spicy tartar salad served with mixed sashimi, green onions, avocado, jalapeno and spicy mayo. $ lobster salad served with celery, cocktail sauce and spicy mayo. $ soft shell...
means only those species with an external shell big enough that the soft parts can withdraw completely into it. those gastropods without a shell, and those with only a very reduced or internal shell, are usually known as slugs; those with a shell into which they can partly but not completely withdraw...
(transverse stria) on adult shells near the aperture; aperture plane makes a slight angle with the shell axis ( °). colour: dark yellow to brownish ground colour with dark brown or even black spiral bands. the to dark spiral bands are not present on the spine of the shell, but are mainly located at the...
(picture not licenced under creative commons) shell : the snail form this genus all have a hyperstrophic sinistral shell, which means the shell is sinistral, bit the body of the snail is dextral. the shell itself has an average size of about mm height, but specimen with a size of upt to - mm are not...
. contrary to what most people thinks, not all snails are hermaphroditic with apple snails being an example amongst many others. this knowledge is quite important when people would like to breed these snails or just want to prevent them doing so. unfortunately it's difficult to determine the sex of in...
. contrary to what most people thinks, not all snails are hermaphroditic with apple snails being an example amongst many others. this knowledge is quite important when people would like to breed these snails or just want to prevent them doing so. unfortunately it's difficult to determine the sex of in...
area's were the temperature drops below °c in the winter months. respiration isn't the only function of the lung, it also enables the snails to adjust the buoyancy level (floating level). without a filled lung, the gracious movements of the snails under water would be impossible. the weight of the shell...