Fig. 2

Physiological parameters (CI, condition index; FR, filtration rate; CR, clearance rate) in L. marginalis exposed to TiO2 after 7 days at each condition (CNT, 5, 50 and 100 µg/L). The data are represented as mean ± SD and significant differences (p ≤ 0.05) among concentrations for each are represented with different letters (lower case letters).