Everything about Carnivorous Fungus totally explained
Carnivorous fungi or
predaceous fungi are
fungi that derive some or most of their
nutrients from trapping and digesting microscopic or other minute
animals. More than 200 species have been described, belonging to the phyla
Ascomycota,
Mucoromycotina, and
Basidiomycota. They usually live in soil and many species trap or stun
nematodes (
nematophagous fungus), while others attack
amoebae or
collembola. Fungi that grow on the
epidermis,
hair,
skin,
nails,
scales or
feathers of living or dead animals are considered to be
dermatophytes rather than carnivores. Similarly fungi in orifices and the digestive tract of animals are not carnivorous, and neither are internal pathogens. Neither are
insect pathogens that stun and colonize insects normally labelled carnivorous if the fungal thallus is mainly in the insect as does
Cordyceps, or if it clings to the insect like the
Laboulbeniales.
Two basic trapping mechanisms have been observed in carnivorous fungi that are predatory on nematodes:
- constricting rings (active traps)
- adhesive structures (passive traps)
Sequencing of
ribosomal DNA has shown that these trap types occur in separate fungus lineages.
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