No, they are not rare. Very cool aggressive fish. I fear mine. It sits calmly on the bottom completly still. Anything moves in the water and it is on it, including my hand!
Oh yeah, this should be posted in acient fish, lung fish sub-forum.
theres a few species of lung:
West African lungfish (P. annectens)3'African Lungfish
marbled African lungfish (P. aethiopicus)6'Marbled Lungfish
spotted African lungfish (P. dolloi)4'Slender Lungfish
there is one other, but its not often found in the trade at all P. amphibius
theres a few species of lung:
West African lungfish (P. annectens)3'African Lungfish
marbled African lungfish (P. aethiopicus)6'Marbled Lungfish
spotted African lungfish (P. dolloi)4'Slender Lungfish
there is one other, but its not often found in the trade at all P. amphibius