species will devastate a mollusk population,
but they could be tough on your plants, not
to mention your shrimp. A school of small
loaches are great about getting snails, so they
might be better in keeping with the theme of
your tank, but again, I’d keep a watchful eye
on those shrimp.
but are there some suitable catfish species
that school well?
Are there two species of
harlequin fish? I saw some very
similar fish to my harlequins
alled “Espe’s harlequins.” Is that a
different species or just a different strain?
I like schooling fish, and I
have schools of neons, jewel
tetras, and tiger barbs in my
ank. I have a couple of cories,
The fish historically called
by the name “harlequin” is
but there are a couple of very
ies that are also called harlequins,
one of which is T. espei. That is one problem
with popular names; they can be applied
on a whim. All of these species are small
carps, belonging to the family Cyprinidae.
They are both from Thailand, but T.
heteromorpha has a wider distribution,
being also found in parts of Sumatra, as well
as Malaysia and Singapore.
that were c
Well, cories (members of the
catfish genus Corydoras) will
school. All they need is a lot of
other cories. Having at least 10
e tank seems to get them to school
together, and I have seen several species in
one school. There are several other schooling
catfish, too, but the cories are most suitable
to your tank.
cories in th
Although they aren’t catfish, many species
of loaches also school quite well if you have at
least five or six of them in the tank, and many
remain at a small enough size for a school to
thrive in your setup.
I like predatory fish, and I have
a piranha and a snakehead. I
able to get both to take beefheart,
and it seems to enhance their growth. But
a friend of mine says that beefheart is not
good nutrition, even for predatory fish. Is
Beefheart is an incomplete
food, even for predatory fish,
because it is muscle meat.
Predatory fish generally eat