The 4 Creepiest Parasites on Earth (This Will Keep You Up at Night!)
SciShow・11 minutes read
Parasitism is a common survival strategy in nature, with ⅓ to ½ of all life on Earth estimated to be parasitic, showcasing its prevalence. Various examples like tongue-biting isopods, trematodes, and Rafflesia flower demonstrate the diverse and intricate ways parasites interact with their hosts.
Insights
- Parasitism is a prevalent survival strategy in nature, with ⅓ to ½ of all life on Earth estimated to be parasitic, where organisms exploit others for resources without reciprocation.
- Various parasites, such as tongue-biting isopods, trematodes, and Rhizocephala barnacles, exhibit intricate and often manipulative behaviors towards their hosts, impacting their health, behavior, and even reproductive success, highlighting the complex and diverse nature of parasitic relationships in the natural world.
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Recent questions
What is parasitism?
Parasitism is a survival strategy where one organism, the parasite, takes resources from another organism, the host, without providing any benefit in return.
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Summary
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"Nature's Intricate Parasitic Survival Strategies"
- Parasitism is a common survival strategy where an organism, the parasite, takes resources from another, the host, without giving anything back.
- Between ⅓ and ½ of all life on Earth is estimated to be parasitic, showcasing the prevalence of this strategy.
- Tongue-biting isopods, a type of crustacean, latch onto a fish's tongue and live in its mouth, feeding on the fish's nutritious fluids.
- Male larvae of these isopods settle in a fish's gills and, if the mouth is unoccupied, transform into larger adult females that live in the fish's mouth.
- Infected fish tend to be smaller and less healthy due to the isopods blocking the flow of water to their gills, affecting their breathing.
- Trematodes, a type of flatworm, infect amphibians like frogs and salamanders, causing leg deformities that are correlated with high numbers of the parasites.
- Ribeiroia worms might be causing these deformities to render their hosts less likely to escape predators, aiding in the worms' life cycle.
- Leucochloridium trematodes invade snails' eyestalks, manipulating their behavior to make them more visible to birds, their next hosts.
- Rhizocephala barnacles take over a crab's body, forcing it to care for the parasite as if it were its own eggs, manipulating its behavior and physiology.
- Rafflesia, a parasitic flower, steals nutrients from grapevines, attracts carrion flies for pollination, and has been found to steal DNA from its host, showcasing a unique form of parasitism.
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