i hate to say it, but they love artificial caves, i have two and they stay their most of the time
black ghost knife fish gets nutrients and energy from the food it eat
No.
No.
they can be 49cm.
fish about 5in or 4in lowest
The maximum length of the black ghost knifefish is 40 centimetres
Yes it can
Black Ghost Knife Fish are semi-agressive. They should be fine though. The angelfish should be fine.
Depends what store!
It uses an electrical field produced in the fish's body.
Ghost knifes enjoy a variety of different food such as flakes,bloodworms,brineshrimp,some even feed them beefheart,they are great feeders and will come straight to your hand for the food,beautiful fish and amazing to watch.There are lots of videos of these fish on youtube.
The fish must be small enough to be eaten by the knife. There are also small shrimp (ghost shrimp) which some small knifes will find easier to catch than the faster guppies. As the Knife grows so will it's prey.