Nemesis;4083069; said:This:
(keep in mind that they get larger than this)
View attachment 490600
Check out johnptc's also:http://www.monsterfishkeepers.com/forums/showthread.php?t=49048
OMG! Those Mexicans are tiny!!!
(Just kidding
PS: Pirarucu is the local name for the arapaima. There are several species in the genus Arapaima, but I think Pirarucu is the common name for all of them.