Tuesday, September 21, 2010
September 21, 2010 : Freshwater Mussels
Generally unable to move of their own accord, the parasite larva or glochidium can do little more than clamp down on the first thing that brushes by its cute little jaws, sometimes equipped with vicious fangs and an adhesive tongue. Once attached, the host's skin will grow to encase the tiny hitchhiker, which remains for days or weeks until ready to drop off and settle down as a young mussel. Other species even allow themselves to be swallowed, and settle in the digestive tract where they may absorb nutrients until they are excreted. Usually only compatible with a single fish species, they rely on their parents to infect the right host with all manner of devilry.
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