| parasitic infection by larval helminths in antarctic fishes: pathological changes and impact on the host body condition index. | we examined pathological changes and relationship between body condition index (bci) and parasitic infection in 5 species of fish, including 42 icefish chionodraco hamatus (channichtyidae), 2 dragonfish cygnodraco mawsoni (bathydraconidae), 30 emerald rock cod trematomus bernacchii, 46 striped rock cod t. hansoni and 9 dusty rock cod t. newnesi (nototheniidae) from the ross sea, antarctica. all parasites were identified by a combination of morphology and mtdna cytochrome-oxidase-2 sequence (mtdn ... | 2013 | 23872857 |