For documentation, here's the lone surviving juvenile P. altum I have after all the 'disasters' I went through. Note the length of the ventral fin is longer than the body height. This is what I am trying to find out - whether they P. altum grow out with shorter fin length when mature in captivity. Very few mature P. altums that I see online have fin:body length ratio that Bleher considers as the real ones.
I added two more today, which pales in comparison when it comes to size and fin length (I strongly believe that P. altums should be in a group) - and the new ones already have the longest fins among the stock left from the seller.
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