What is the typical adult size range for a Zebra Mussel in inches and centimeters?
Answer
0.5 to 1.5 inches (1.3 to 3.8 cm)
Adult zebra mussels are generally quite small, often compared to the size of a human fingernail, which contributes to the surprise many people feel upon initial encounter. Quantitatively, the standard measurement range cited for mature specimens falls between 0.5 and 1.5 inches in length, equating to approximately 1.3 to 3.8 centimeters. Although a maximum length around 50 mm (2 inches) has been reported, this is an outlier, and the typical metric for identification focuses on the smaller stated range.
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