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The radula works like a file, ripping food into small pieces. Many snails are herbivorous, eating plants or rasping algae from surfaces with their radulae, though a few land species and many marine species are omnivores or predatory carnivores. Snails cannot absorb colored pigments when eating paper or cardboard so their feces are also colored. [3]
Most feed on algae, but many are detritivores and some are filter feeders. Freshwater snails are indirectly among the deadliest animals to humans, as they carry parasitic worms that cause schistosomiasis, a disease estimated to kill between 10,000 and 200,000 people annually. [1] [2]
Ramshorn snails generally will eat only the most delicate plants, preferring algae, uneaten fish food, and dead fish. Some varieties do particularly enjoy eating the leaves of stem plants such as cabomba and anacharis. Some aquarium species will eat ramshorn snails.
This species is primarily an algae eater in an aquarium context. These snails are popular in freshwater aquariums because they do not eat fish eggs or plants, they do not overpopulate the aquarium, and they close up if there is a water problem, giving people an indication that something is wrong a few weeks before the fish die. [15]
More informally known as an Apple Snail, or Gold Inca Snails, these healthy diners will feed on ordinary fish food and waste, making these algae eaters a popular choice in many aquariums.
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 ...
This species is a common choice of algae-eating snail among freshwater aquarists.In the aquarium trade, the striped shell of this species has caused it to be known as the tiger snail, zebra snail, or zebra nerite.
Clathromorphum, a type of algae, provides food to limpets, which clean the algae's surface and allow its persistence. [21] The rough keyhole limpet (Diodora aspera) is host to the scale worm copepod Anthessius nortoni, which bites predatory starfish to discourage them from eating the limpet. [21]