Gyrodactylus alexanderi: reproduction, mortality, and effect on its host Gasterosteus aculeatus.
D000818:Animals; D005393:Fish Diseases / Q000469:parasitology*; D005399:Fishes; D012098:Reproduction; D014200:Trematoda / Q000502:physiology*; D014201:Trematode Infections / Q000469:parasitology / Q000662:veterinary*