106745
Reproduction is costly for anadromous salmonids because their life history requires transition from saltwater to freshwater streams and long migrations , which can be physiologically taxing .
 anadromous
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 anadromous