I know some communication is going on. My puffers, danios, ghost shrimp and whiteskirts holler at feeding time "FOOD!!!! FEED ME!!!!".
You can actually see the puffers mouths move like they are talking to me while I watch them at their tank.
jellygirl you have some very good parents.
55g - 2 green spotted puffers in brackish conditions
20g- 6 leopard danio,2 glofish danios,4 whiteskirt tetras,shrimp & neritas
10g- ramshorn & pond snails,3 neon tetras, cherry shrimp
10g- QT tank-empty
2.5- QT tank- nerita,amano,anacharis