I had to move two very large male angels into my 29 overnight - without going into detail there was a rather nasty disruption and i was not quite willing to part with these two males. The 29 contains 4 hongsloi (2m/2f) and 1 female nijjensi. The minute the first angel hit the water all 4 hongsoli raised fins to max size and went into - some sort of alert mode which they are still mostly in (i removed the angels 4 hours ago). Sadly i was concern about the dynamics with the angels in the tank so this morning i decided to donate them to the lfs. They were two 1 year old males that I had raised from wrigglers. Unfortunately they out grew the dad and were beating him to a pulp (the full dyanmics is that i kept 8 frys and all the other males have bounded with mates but these two lucked out and decided to take it out on the other males - i was debating giving them a time out for a month in the 29 but i think in the end returning them to the 120 the same issue would have arisen).
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The apisto are still not quite settled down even though i have removed the angels i suppose after another night they might settle down. The angels did not harasses them but they were of course significantly larger (they were large for males - well larger than any of the males I had purchased at a store) - here is what they used to look like:

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The apisto are still not quite settled down even though i have removed the angels i suppose after another night they might settle down. The angels did not harasses them but they were of course significantly larger (they were large for males - well larger than any of the males I had purchased at a store) - here is what they used to look like:
