26226
polarized light is used by many insects for navigation , however , in other invertebrates like cephalopods and crustaceans it is used primarily to increase visual contrast and for visual signaling .
 crustaceans
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:
 crustaceans