Blueberry Lane Books has posted an anthology call for "In the Spaces Between". They're looking for science fiction mysteries of 1750 to 5000 words in length. Yep, you get to mix the genres of science fiction and mystery. The deadline is May 31, 2016 and payment is 1/2cent a word with $12 minimum and $20 maximum payment. You can find the details here.
Hat tip to Paperback Writer.