Yes, absolutely a vampire. More specifically, it appears to be L007.
I've had L240, L264, L091 & Heterodon. From my experience, I have no idea if it's the norm or not, my L91 and L264 hid all the time, with the exception of one small 264 that was always on the move. The L240 was shy at first but became more outgoing as it got larger. Was about 7" when I lost it. My Heterodons seemed to be the most outgoing of all.
In case you weren't already aware, Leporacanthicus need meat in their diet. Mine loved shrimp and worms.