The jellyfish motif has a few rows where there's lace patterning on both right and wrong sides, which is true knitted lace. A lot of knitters find not having any 'plain rows' between lace rows a bit scary but it's actually not as bad as it seems. And its less than half of each pattern repeat. The lace motifs are actually very simple. Once you've finished the wide lace border, the crescent shape is achieved by working a combination of short rows and decreases in garter stitch.
I listed Jellyfish on Ravelry yesterday and every time I've checked since (and this can get a bit obsessive) it's been on Ravelry's Hot Right Now page. Last time I checked it was no 12. Get clicking on it and it'll stay there and maybe even climb higher.