As part of the aquaponics and settlement of planets, there is more talk of technology to be used to harvest food.
Thanks to aquaponics, the first inhabitants of Mars could get the first animal protein. This is a highly effective method since the aquaponic system has a highly effective relationship in space, water and usable materials.
Source:
http://www.marspapers.org/paper/Merkle_2016_pres.pdf