Oshits are dectapodal [10-legged] low-g arachnoid lifeforms that generally hunt by detecting moving air. They're dumb as a bag of bricks and will literally pounce on anything that moves. Since they also over-span your modern dinner-plate to serving-platter, their name is understandable. See reference file, Scavenger.

Also, I suck at poetry, so I can't - and definitely shouldn't - write that poem