Wow, nice photos Mark. In my experience keeping B. rostrata, their markings become more and more variable as they age. I had some specimens that became extremely reticulated like the one in the photo above. Others retained their vertical barred patterning. Interesting to note!
Thanks Mike, I have noticed quite a bit of pattern change in these since I got them, it will be interesting to see if the pattern still alters after they stop growing.
Mike these Rostrata's aren't actually that big or old , they are similar to Almorhae's but i think they are a little shorter in the face ? though having said that i suspect the males will develope a longer snout as they grow !