I'd say it was a little hungry??? try mysis shrimp, they're a little smaller and easier to get out of the baster. OK
I use mysiss and krill but switch them up every second feeding, and the frozen krill I have is about the same size as the mysiss but there must have been a really large one in there.
I didn't even notice it as I break off a peace from the block and drop it in a cup of tank water to melt, then suck it up and feed with it.
Geuss I'll be watching closer next time