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Fin whales caught off California between 1959 and 1970 fed on the pelagic euphausiid " Euphausia pacifica " ( 86 % of sampled individuals ) , the more neritic euphausiid " Thysanoessa spinifera " ( 9 % ) , and the northern anchovy ( " Engraulis mordax " ) ( 7 % ) ; only trace amounts ( In the Gulf of California , they have been observed feeding on swarms of the euphausiid " Nyctiphanes simplex " .
 California, Thysanoessa, Gulf of California, Nyctiphanes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 California, Thysanoessa, Gulf of California, Nyctiphanes