![]() However, they are sensitive to chemicals in the water, and can detect gravity, touch and temperature. Zebra mussels have no heads, and no eyes. Even if there are many close together, they do not seem to have any interaction with each other, except for reproduction. When they are abundant, they often completely cover any exposed rock or other surface. Once they attach, they do not move again. Zebra mussel larvae drift in the water, feeding and growing and then settle down on to a hard surface. The only parental investment is in the production of eggs and sperm. Average age at sexual or reproductive maturity (male) 1 years.Average age at sexual or reproductive maturity (female) 1 years. ![]()
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