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Pterophyllum
species are better known by their common name, Angel Fish. Along
with the discus (Symphysodon sp.) it is the most widely kept new
world cichlid and has (as the discus) many loyal fans. Part of its
popularity is also due to the fact that, since water requirements,
temperament and size are comparable to that of the discus, many
hobbyists keep them together. The genus Pterophyllum has three
species (altum, leopoldi and scalare) which may seem identical to
the novice. The hobbyist should seek advice in order to avoid cross
breeding. On the other hand, hybrids of P.scalare X P.altum have
resulted in fish resistant to fin rot.All species come from South
America although from different locations.
P.
altum is especially susceptible to Ichthyosporidium infections and
should be kept in somewhat higher temperatures (28-30 C) to prevent
disease. The fish is territorial and peaceful It shouldn't be kept
with very small fish (like neon tetras) since it is going to eat
them. Keep an acidic pH (5.8--6.2). P. altum may reach 18 cm while
P. scalare will reach a final size of 15 cm. There are many
P.scalare morphs available which will satisfy even the most
demanding aquarist (marbled angelfish, veiltail angelfish,
half-black angelfish etc.). While young the fish can be kept in
schools while as adults they form pairs (and they are quite loyal to
their pair).
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