Fish Care & Spawning Guide
Fish and the
novice aquarium owners fail to take the possibility of
their pets spawning into consideration. If you have recently purchased
aquarium you should keep the smaller one and use it as a breeding tank.
tropical fish species are known for spawning in aquariums. Using a
tank will isolate the breeding pair and protect the eggs and fish fry
being eaten by the other members of a community tank after spawning has
freshwater tropical fish are egg scatterers. Egg
scattering fish do not exhibit signs of parental instinct. They are
for eating their own future offspring. Aquarists frequently
plants to their breeding tank to hide the eggs from predation. Another
to place a layer of marbles on the bottom of your breeding tank. Most
sink. The eggs will slip down between the rounded surface of the
out of the adults’ reach. Either way, it is advisable to
remove the adults from
the breeding tank after spawning. Details on individual species
is available in our freshwater tropical fish care and breeding guide.
mollies and swordtails are live bearing tropical
fish. They will eat their newly born fry. The best way to avoid this is
using a breeding trap. Breeding traps are inexpensive and readily
fish stores. Breeding traps are typically transparent plastic
comprised of two compartments. Place the impregnated female in the top
compartment of the breeding trap. As the female gives birth the fry
through to the bottom compartment. After the female is done giving
her from the trap. The plastic piece that separates the breeding trap
compartments can then be removed to give the fry more room to maneuver.
can be kept in the trap while they are young. But remember that they
are in an
isolated compartment for their own protection. Replace part of the
aquarium water regularly to keep it fresh.
are unquestionably among the most popular
freshwater tropical fish to exhibit parental instincts as part of the
procreation process. Oscars, discus, and angelfish are all South
cichlids. Cichlids have varied and highly complex breeding habits all
include advanced parental care. Breeding and parental care fall into
categories in relation to initial spawning: substrate or open brooders,
secretive cave brooders, and two types of mouth brooders; ovophiles and
brooders lay their eggs in the open. They first clean a hard
surface such as a rock or piece of wood to deposit their eggs on during
cave brooders lay their eggs in caves, crevices, holes or abandoned
mollusk shells. They frequently attach their eggs to the roof of the
mouth brooders use their mouths as incubators during spawning. The eggs
will incubate in the mouth until they hatch. Free swimming fry may
remain in the mouth’s protective custody for several weeks
before being released.
mouth brooders lay their eggs either in the open or in a protective
enclosure like cave brooders. After the eggs hatch, the larva is
scooped up in the mouth to develop into fry.
brooding is typically a maternal function in cichlids.
The male’s duty is to stand guard over the female
or their brood to
protect them from predators. Male’s become extremely
spawning. A breeding tank will alleviate the territorial squabbles that
certain to occur in a community tank and safeguard eggs and fry from
instinct and parental obligations do not stop once
the fry are free swimming. Both parents will assist their brood in
food, teaching them the skills they will need to survive on their own.
and survival skills often include upturning leaves and rocks and
riverbeds or aquarium substrate in search of food for the fry to feed
Parents and fry have actually been observed communicating during this
process, both in the wild and in captivity. Communication between
offspring consists of a series of body movements such as shaking and
are not the only freshwater tropical fish to
demonstrate advanced parenting instinct as interregnal part of
species exercise various forms of parental obligation to their brood
spawning. Cichlids were picked as general example of more advanced
instincts because of their immense popularity among freshwater aquarium
are a number of products available on the market for
feeding fry. Liquid fry food, infusoria, or rotifers are among them. An
economical and readily available substitute is powdered eggs. Some
owners feed their fry hard boiled egg yolks that have been strained
cloth or pulverized in a food processor. Still others simply use raw
Whatever your choice, remember that fry are very small. They
don’t each much.
Over feeding your fry will only serve to foul up your aquarium water.
are a week or so old, their diet can be changed to newly hatched brine
or finely crushed fish flakes.
number of fish species are raised on fish farms to keep
pace with the thriving aquarium trade industry. Fish farms are of
importance in providing freshwater tropical fish for the aquarium
fish are raised in ponds typically located in the more tropical regions
world, Texas, Florida,
South America, and Asia.
There are a number of
benefits in purchasing fish cultivated in commercial breeding
opposed to ones caught in the wild. Commercially raised fish are
brought up in
a smaller volume of water per fish than those found in nature. These
conditions naturally boost the fish’s immune system. They
have already been
exposed to and developed immunity against a number of ailments common
aquariums. These fish are conditioned from birth to receive food rather
forage for their survival. Consequently, they do not have to be
accepting standard aquarium food fare. Fish raised for the fish
industry are healthier, more disease resistant, and much less to apt to
the trauma experience from a species suddenly yanked out of its natural
habitat. They are accustomed to functioning in an environment
other fish rather than the vast expanses often found in nature.
most important aspect of purchasing a commercially raised product falls
realm of ecological impact. You are not playing a role in further
planet of one of its most valued resources.
prime example is the bala shark. These freshwater
sharks are native to Southeast
inhabit the streams and rivers of Thailand,
Borneo, Sumatra and the Malay
industrialization of these regions is threatening the Bala
habitat. Their numbers have drastically diminished in the wild. Bala
rarely breed in captivity. Fortunately, for their continued viability
species, they are commercially raised in Asia
with the use of hormone injections to help induce the spawning cycle.
commercial breeding of bala sharks not only supplies the
needs of the fish hobby trade, it also provides stock vital to
what is left of the bala’s natural breeding grounds.
programs are proving both economically feasible and ecologically
Captive breeding programs will help insure the continued viability of
freshwater species in the wild.
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Fish Care and Breeding Guide.
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