18360
The influence of salinity on acute nickel toxicity to the two euryhaline fish species , Fundulus heteroclitus and Kryptolebias marmoratus .
 Chemical: nickel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: nickel