WATCH: Famous hippo siblings Fiona, Fritz meet for first time

This browser does not support the video element.

CINCINNATI — At the Cincinnati Zoo and Botanical garden famous hippo siblings Fiona and her little brother Fritz met Tuesday... sort of.

The zoo shared a video of Fritz and Fiona sniffing and peeking at each other from neighboring spaces in their indoor habitat.

>> WATCH: Cincinnati Zoo’s baby hippo Fritz explores outdoor habitat, pool for the first time

Keepers said they have seen positive reactions from the siblings and great maternal behavior from their mom, Bibi.

Fritz is almost three weeks old and the zoo said he already weighs more than 120 pounds.