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Table 2 Mean speed values (±standard deviation, SD) in millimetres per second

From: Pseudodiaptomus marinus Sato, 1913, a new invasive copepod in Lake Faro (Sicily): observations on the swimming behaviour and the sex-dependent responses to food

Case V x (mean ± SD) (mm s−1) V z (mean ± SD) (mm s−1) V(mean ± SD) (mm s−1) V x max (mean ± SD) (mm s-1) V z max (mean ± SD) (mm s−1)
Filtered water
  Males 6 ± 3 6 ± 3 6 ± 3 16 ± 18 20 ± 21
  Females 7 ± 6 7 ± 6 8 ± 5 22 ± 24 31 ± 30
  Ovigerous f. 6 ± 5 6 ± 5 8 ± 5 21 ± 23 24 ± 23
Food
  Males 6 ± 3 6 ± 5 7 ± 3 20 ± 62 21 ± 54
  Females 8 ± 7 7 ± 6 9 ± 8 36 ± 23 45 ± 25
  Ovigerous f. 7 ± 6 6 ± 4 8 ± 5 27 ± 26 24 ± 20
  1. Mean speed values (±standard deviation, SD) in millimetres per second for males, females and ovigerous females of P. marinus in filtered water and with food.