Table 1.

Glochidia development on Rhodeus amarus and control species. Initial number of glochidia attached to fish, total number of juvenile mussels that metamorphosed, number of fish in each treatment (n) and analysis of differences in the relative development success between Anodonta woodiana (AW) and Anodonta anatina (AA) for each fish species (GLMM, quasi-binomial error structure).

fish speciesmusselinitial glochidia load (median, range)developed mussels (median, range)nFd.f.p
Rhodeus amarusAW23 (4–34)6 (0–7)1015.41,200.001
AA19 (11–44)1 (0–3)12
European cyprinids
 Leuciscus cephalusAW167 (144–238)56 (27–84)68.31,120.014
AA178 (93–458)28 (12–70)8
 Barbus barbusAW729 (472–804)399 (184–453)60.91,120.375
AA728 (247–1294)360 (80–888)8
east Asian cyprinids
 Pseudorasbora parvaAW159 (85–284)27 (4–127)1026.21,16<0.001
AA211 (115–312)0 (0–3)8
 Carassius gibelioAW800 (528–1176)240 (192–380)5131.61,11<0.001
AA474 (184–638)0 (0–3)8