Squid Not Properly Affected by Magma Blocks

Bug:

Squid are not pulled down by magma block bubble columns.

Behavior Observed:
The squid bounce up and down without any net moment. Occasionally shoot downward only to rebound up once again. 

Steps to Reproduce:

1. Fill a hole with water

2. Place magma blocks in the bottom

3. Spawn squid

4. Observe