Discover the underwater world


Freshwater aquarium fish species

The reedfish, Erpetoichthys calabaricus,because it can literally jump out of the
ropefish, or snakefish is a species ofwater and capture its prey. It usually swims
freshwater fish in the bichir family andnear the water surface awaiting for potential
order. It is the only member of the genusprey. Although it has been known to eat
Erpetoichthys. It is native to West Africa,larger prey like small bats and birds, their
with its natural habitat stretching frommain diets consist of shrimps, insects,
Nigeria  to  the  Congo.smaller fishes and other animals that float
on the water surface, on which its
The reedfish has a maximum total length of 90draw-bridge-like mouth is exclusively adapted
centimetres, and it is a very long, slenderfor  feeding.
fish (its length is about 24 times its
height). It lives in slow-moving, brackish,Arowana are also called "dragonfish" by
warm water, and it can breathe air (meaningaquarists because of their shiny armor-like
it is able to survive in water with lowscales, which are similar to the
dissolved oxygen content). The reedfish is aAsian’s  folklore  of  dragons.
nocturnal creature, feeding on annelid worms,
crustaceans and insects at night. TheIn  the  aquarium
reedfish serves little purpose to humans,
although it is sometimes displayed inTank  size
aquariums. Its genus name Erpetoichthys
derives from the Greek words erpetonIt is important to have a large enough tank
("creeping  thing")  and  ichthys  ("fish").to keep these large fishes. The minimum tank
size for one Arowana for life is a 72"L x
In  the  aquarium24"Wx 24"H or 265 gal aquarium . As it grows,
a larger tank will be necessary to insure the
Although reedfish are not commonly found inmaximum  length and life span of the Arowana.
aquarium stores, they make wonderful pets.
They are inquisitive, peaceful, and have someWater  conditions
"personality." Although reedfish can grow to
be 24" to 30" in length, 12" to 15" is muchWater conditions are important for Arowanas.
more common[citation needed]. Because ofSome black water additives can help simulate
their flexibility, however, ropefish can bethe  Arowana’s  natural  habit.
kept successfully in a 12"-wide tank, which
makes a 20-, 29-, or 30-gallon or larger tankBlack arowanas can adapt to most water supply
perfect. Although nocturnal, reedfish willand  thrive
sometimes come out during the day, and this
can be encouraged by daytime feeding ofTemperature - 24°C to 28°C, but best at
bloodworms or, for larger fish,26°C
nightcrawlers. The fish are known to jump, so
the aquarium should have a tightly-fittingAlso a 25-30% water change is necessary 1-2
lid  without  large  holestimes every week to maintain excellent water
conditions.
The black arowana, Osteoglossum ferreirai, is
a freshwater bony fish of the familyFeeding
Osteoglossidae, commonly kept in aquaria. The
term "Osteoglossum" means "bone-tongued" andIt is very important that you do not overfeed
"bicirrhosum" means "two barbels" (from theArowana when they’re young, because as
Greek  language).they grow, they might develop drop eye.
Arowanas will eat insects, shrimp, pellets,
Descriptionlive fish, beef heart, frogs, etc. The best
diet for Arowanas is pellets, live crickets,
Its natural habitat is the Amazon river inand shrimps. Small feeder fish are often
South America as well as in still waters inraised in poor conditions and can carry many
Guyana.diseases  transmittable  to predatory fishes.
It has a long body and a tapered tail and canTank  mates
grow to a maximum size of around 1 m in
captivity. In the wild, it has been known toAny fish will do as long as it doesn’t
reach over 1.2 m in length. The juveniles arefit in the Arowana’s mouth. Many
usually a dull silver color with blackpeople like having more then one Arowana in
markings around the head and the tail. Oncethe tank, that’s fine and all but they
it reaches about 15 cm, the markings willmust be at least 5-6 or more in the tank at a
disappear and it will start obtain thetime because Arowanas are very aggressive
silvery  color,  hence  its  common  name.towards each other. It also eats mutton
liver(raw). Be sure your arowana is actually
The species is also called water monkey,eating.



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