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Glossiphoniidae are a family of freshwater proboscis-bearing leeches.These leeches are generally flattened, and have a poorly defined anterior sucker.Most suck the blood of freshwater vertebrates like amphibians, crocodilians and aquatic turtles, but some feed on invertebrates like oligochaetes and freshwater snails instead.
Piscicola geometra is a species of leech in the family Piscicolidae. It is an external parasite of marine, brackish and freshwater fishes. It was first described as Hirudo geometra by the Swedish naturalist Carl Linnaeus in his Systema Naturae in 1758. [1]
Cleaning symbiosis is a relationship between a pair of animals of different species, involving the removal and subsequent ingestion of ectoparasites, diseased and injured tissue, and unwanted food items from the surface of the host organism (the client) by the cleaning organism (the cleaner). [5]
Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea within the phylum Annelida.They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular segmented bodies that can lengthen and contract.
The Piscicolidae are a family of jawless leeches in the order Rhynchobdellida that are parasitic on fish. They occur in both freshwater and seawater, have cylindrical bodies, and typically have a large, bell-shaped, anterior sucker with which they cling to their host. [3]
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The six possible types of symbiotic relationship, from mutual benefit to mutual harm. The six possible types of symbiosis are mutualism, commensalism, parasitism, neutralism, amensalism, and competition. [16] These are distinguished by the degree of benefit or harm they cause to each partner. [17]
Arhynchobdellida, the proboscisless leeches, are a monophyletic order of leeches.They are defined by the lack of the protrusible proboscis that defines their sister taxon, the Rhynchobdellida.