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. 2020 Mar 12;8:e8765. doi: 10.7717/peerj.8765

Table 2. Results for juvenile brown trout exposed to citalopram.

Treatment (µg/L) 0 1 10 100 1000
Mortality (%) 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0
Weight (g) 2.75 ± 0.84 2.85 ± 0.85 2.86 ± 1.16 2.74 ± 0.92 2.17 ± 0.53 *
Length (cm) 6.41 ± 0.65 6.59 ± 0.61 6.46 ± 0.71 6.50 ± 0.75 5.93 ± 0.49 *
Aquaria photographed 2 2 1 2 2
Fish in upper aquaria half (%) 0 ± 0 0 ± 0 0 ± 0 0 ± 0 25.42 ± 19.11 **
ASMD: total distance moved (cm) 1371 ± 1057 847 ± 785 878 ± 1004 939 ± 571 980 ± 473
Cortisol content in fish extract (ng/mL) 19.06 ± 14.80 15.51 ± 7.48 12.50 ± 9.58 20.76 ± 15.14 23.66 ± 17.81
Aqueous citalopram concentration (µg/L) <LoD 1.41 ± 0.22 9.20 ± 0.59 81.51 ± 2.39 864.93 ± 51.54
Tissue citalopram concentration (µg/g) (wet weight) <LoD 8.2 ± 4.37 38.3 ± 30.71 340.63 ± 124.74 2966.83 ± 1556.77

Notes.

Data are shown as arithmetical mean ± standard deviation.

Asterisks indicate significant differences to the respective controls (*p < 0.05; **p < 0.01; ***p < 0.001).

LoD
limit of detection