personal preferences

The observed preferences are not stable and only valid for a period of a few days.

1point prefarably loiters in the separated ‘food chamber’ mainly close to the bottom. He has this habit since about one week.

▲ For a couple of days bent also had a preference for the right side of the aquarium. She hovered calmly at a medium height next to the thermometer.

▲ They occasionally court each other.

heabea joins him occasionally. It seems like heabea and forc – separated by the plexiglass pane – enjoy teasing each other

joe blow can often be found on the right side of the aquarium, close to the surface.▼

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