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These snails eat dead plant and animal matter and various other detritus. Because Physella acuta forages mainly on epiphytic vegetation and on the macrophytes, whereas other gastropods (Planorbis planorbis, Radix ovata) exploit the algal cover or phytobentos on the bottom, competition between Physella acuta and other gastropods appears to be ...
This species eats aquatic plants, algae, dead fish and snails. Easily adaptable to captivity, this snail may invade and damage aquarium vegetation. [4] It is practically omnivorous, and feeds on animal and vegetal detritus. [4] This snail acts as a useful aquarium scavenger when it is not excessively numerous. [4]
Due to the limited vegetation available in the desert, desert detritivores adapted and evolved ways to feed in the extreme conditions of the desert. [3] Detritivore feeding behaviour is affected by rainfall; moist soil increases detritivore feeding and excretion. [7] Fungi, acting as decomposers, are important in today's terrestrial environment.
The giant African snail is a macrophytophagous herbivore; it eats a wide range of living plant material, commercially important fruits and vegetables, ornamental plants such as flowers, native plants, as well as weeds and detritus plant material. At different life stages and temperatures, the snail has slightly different feeding preferences.
The related term Aufwuchs (German "surface growth" or "overgrowth", pronounced [ˈaʊ̯fˌvuːks] ⓘ) refers to the collection of small animals and plants that adhere to open surfaces in aquatic environments, such as parts of rooted plants. Periphyton serves as an important food source for invertebrates, tadpoles, and some fish.
They feed on clams, carrion, and sometimes even on detritus. Their sense of smell is very well-developed; they can sense chemical signals from their prey from a considerable distance with their osphradia. Many whelks are capable of boring through the shell of bivalves, and because of this, some species cause much harm in oyster farms.
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]
Detritus occurs in a variety of terrestrial habitats including forest, chaparral and grassland. In forests, the detritus is typically dominated by leaf, twig, and bacteria litter as measured by biomass dominance. This plant litter provides important cover for seedling protection as well as cover for a variety of arthropods, reptiles [4] and ...