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The females give birth to a single baby; twins have been recorded once at the Drill Rehab & Breeding Center in Nigeria. [4] The average longevity in captivity is 28 years. The diet is primarily frugivorous, taking a wide range of fruit, but they also eat herbs, roots, eggs, insects, and small mammals on occasion. [4] [6]
A molluscivore is a carnivorous animal that specialises in feeding on molluscs such as gastropods, bivalves, brachiopods and cephalopods.Known molluscivores include numerous predatory (and often cannibalistic) molluscs, (e.g.octopuses, murexes, decollate snails and oyster drills), arthropods such as crabs and firefly larvae, and, vertebrates such as fish, birds and mammals. [1]
Urosalpinx cinerea, common name the eastern oyster drill, Atlantic oyster drill, or just oyster drill, is a species of small predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murexes or rock snails.
Shorthead redhorse eat the most insects out of all the fish in the sucker family. [7] They can also eat microcrustacea and plant matter. [4] Predators of shorthead redhorse vary depending on size. Juveniles can be eaten by northern pike, walleyes, and smallmouth bass. [7] Adult or larger shorthead redhorse are eaten by northern pike and ...
A Brazilian legend called "piranha cattle" states that they sweep the rivers at high speed and attack the first of the cattle entering the water allowing the rest of the group to traverse the river. [42] These legends were dismissed through research by Hélder Queiroz and Anne Magurran and published in Biology Letters. [43]
This stream operating together with its environment can be thought of as forming a river ecosystem. River ecosystems are flowing waters that drain the landscape, and include the biotic (living) interactions amongst plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions of its many parts.
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A variety of plant and animal food items are commonly reported for hornyhead chubs. Animal food items for the young include: rotifers, cladocerans, copepods, chironomids, and aquatic insect larvae. Older hornyhead chubs are known to consume: clams, snails, crayfish, worms, aquatic insect larvae, and fish. [6]