host size-dependent anisakid infection in baltic cod gadus morhua associated with differential food preferences. | a significant increase in the infection level of baltic cod gadus morhua with the anisakid nematode larvae contracaecum osculatum and pseudoterranova decipiens has been recorded during recent years due to the expanding local population of grey seals halichoerus grypus, which act as final hosts for these parasites. here, we report from an investigation of 368 cod (total length [tl] 6-49 cm; caught in ices subdivision 25) that the infection level of juvenile cod (tl 6-30 cm) with larvae of c. oscu ... | 2016 | 27304871 |