Ectoparasites

Which form of parasitism do sponges usually engage in? Sponges are ectoparasites but I'm not aware fo a more specific description of the type of parastism they engage in. What mechanism do sponges adapt to protect itself from suspecting predators? Sponges ...

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... Bites and Stings, Further Reading, New Reference(s). Topics Discussed: arthropod bite; bites and stings; ectozoic parasite. Excerpt: "Ectoparasites are arthropods or helminths that infest the skin of other animals, from which they derive sustenance. They may penetrate beneath the surface ...

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... (FDA) Web site: http://www.fda.gov/oca/sthealth.htm. You may also wish to review and discuss with your doctor the information concerning ectoparasites (skin parasites) found in Chapter 379 of Harrison's Principles of Internal Medicine, 16th edition, edited by Dennis L. Kasper et al. This ...

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... secreted by the Colombian poison dart frogs, genus Phyllobates). It is believed that these serve the birds as a chemical defence, either against ectoparasites or against visually guided predators such as snakes, raptors or humans. (Dumbacher, et al., 1992) The birds probably do not produce batrachotoxin ...

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