Communication and Perception
The middle lobe of the mantle edge has most of a bivalve's sensory organs. Paired Unionidae in general may have some form of chemical reception to recognize fish hosts. Mantle flaps in the Lampsilini are modified to attract potential fish hosts. The rainbow mussel has a mantle flap resembling an aquatic insect. If the mussel recognizes a specific fish host is unknown.
Glochidia respond to touch, light and some chemical cues. In general, when touched or a fluid is introduced, they will respond by clamping shut.
Communication Channels: chemical
Perception Channels: visual ; tactile ; vibrations ; chemical
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