Description:
The life stage of the parasite or other symbiont. "Adult" indicates the specimen is in the adult sexually reproductive stage and has mature, developed reproductive organs; "Adult, immature" indicates it is in its adult stage but is immature and has not yet developed reproductive organs; "Larva" is the non-reproductive nematode life stage found in intermediate hosts; "Cystacanth" is the encysting acanthocephalan life stage found in intermediate hosts; "Metacestode" is the encysting cestode life stage found in intermediate hosts; "Metacercaria" is the encysting trematode life stage found in the second intermediate host; "Sporocyst" is the asexual cloning trematode life stage found in the first intermediate host.