shows a Clown Knifefish, that's about
24" long. Click
here for more information about
buying Knifefish including Clown Knifefish
Pictures: a nice young 3.5" long Clown
Knifefish in one of our aquariums.
here for more information about
Clown Knifefish. This fish can grow
to be 40" long and so is not suitable
for most aquariums.
Pictures: 6" Royal Clown Knife. Click
on each picture to see a bigger picture.
here for more information. This
fish can grow to be 48" long and so
is not suitable for most aquariums.
Scientific name: Chitala blanci
Clown Knifefish are delicate, until they grow to
be about 10 inches long. They grow fast, become
much less delicate, and swallow any fish that they
can get in their mouths. But they are peaceful with
fish that are too big for them to swallow.
Clown Knifefish grows it can swallow larger and
larger fish, so tank mates must also grow to stay
too big to be swallowed or swim fast enough to avoid
Knifefish are members of a group of fishes called
here to read a brief article from the Encyclopedia
Britannica about this group of fish.
a 6" Clown Knifefish for sale in our
here to buy a Knifefish from us.
At this size Clown Knives have developed
the distinctive dark spots on their
aquarium with at least 30-gallons of water, an
power filter with a BIO-Wheel, a maximum of
aquarium heater adjusted so the water temperature
is between 78 and 82 degrees F. Click
here for more about warm water aquariums.
Each Clown Knifefish needs its own cave or piece
of plastic pipe as a home. The Clown Knife in the
picture at the top of this page usually stayed near
the piece of white plastic pipe that you can see
in the picture. Be sure the rocks or pieces of pipe
and everything else you put in your aquarium will
not contaminate the water. Click
here for more about how to avoid contaminating
When young, say less than 10 inches long,
feed them live Black Worms, live guppies, live and
frozen brine shrimp, and live Ghost Shrimp. Later
as they grow bigger feed them live fish. Click
for more about Black Worms. Click
for more about how to feed fish.
Knifefish are best kept with fast swimming fish
that can avoid being swallowed, or with large fish
that are too big to be swallowed, and with catfish
too spiny to be swallowed. Good tank mates are large
fast swimming fish such as
Large Tinfoil Barbs,
Siamese Tiger Fish, large
Rainbow Sharks, and
Catfish. Clown Knifefish are often seen in aquariums
here to read more about several other groups
of compatible fish.
Clown Knifefish can grow to 32" but are rarely larger
than 18" in an aquarium. They can live for 10 years
and sometimes longer.
above shows a 6" long Royal Clown Knifefish. This
fish is closely related to the Clown Knifefish that
is shown farther above on this page, but this Royal
Clown Knife is much less common in aquariums than
the Clown Knife.
We sell this fish
from time to time, but it is usually not available,
and we do not really know in advance when we will
get some. If you want to buy one, click
here to see if it's available. If it is marked
"Out of Stock" then check back from time to time
to see if we've gotten some back in stock.
a nice young 3.5" long Clown Knifefish, swimming
in one of our aquariums, when one of us took this
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