Combined means for each

	Mean number of small particles	Mean number of large particles	Mean number of total particles
Silver carp	0.67^a	1.67^a	2.34^a
Bighead carp	4.33^a	22.67^b	27.00^b
p-value	0.21	0.03	0.01

Table 4: Mean number of small, large and total micro-particles in gill rakers removed from three silver carp and three bighead carp following 24-h particle exposure. Within columns, superscripts with different letters indicate significant differences.

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