What are some common aquarium fish that haven't been bred in captivity/in the home aquarium

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MatteoTheEnder22

Aimara
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Mar 27, 2020
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So I was wondering what are some species of fish that are common but not really bred in the hobby and that their usually wild caught or farm bred because i’ll like too breed some uncommon fish when I go back home.
 
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Bala sharks.....actually I think that the opposite is true in the Bala shark's case.They are nearly extinct in the wild but are bred for the hobby.....so,how about plecos and algae eaters?
 
Clown loach, by a country mile i'd say, are the big one here. They migrate in huge numbers to spawn, a feat totally impossible to create in an aquarium, and when they do they are one of the most prolific spawners out there, creating millions upon millions of fry. They get netted out in huge quantities and it's these very young and skinny, often iIl looking fish, that you see in stores.

Some specialist fish farms have cracked it, but only be using hormones, but i'm afraid for the rest of us it is virtually impossible.

That is why clown loach are so damn expensive. They say there's not much money in breeding fish but let me tell you, any casual hobbyist who cracks the clown loach code, successfully and regularly, will get pretty rich, and quick.
 
Polypterus weeksii is still to be bred, African knives are also not yet documented. Nerite snails even, still all wild caught. Ropefish maybe as well, Josh's Fish Josh's Fish ?
 
Polypterus weeksii is still to be bred, African knives are also not yet documented. Nerite snails even, still all wild caught. Ropefish maybe as well, Josh's Fish Josh's Fish ?

  • Polypterus weeksii - All wild
  • Ropefish - First bred by Britz in the 90s, and we have since had other hobbyist breeding; although the fry haven't been reported to live over 1 year to the best of my knowledge. Not commercially bred.
  • P. retropinnis - Reportedly first bred by hobbyists 10 years ago, first commercial breeding this year.
  • P. mokelembembe - No commercial breeding, first bred by Jiseok Jung of MFK, early this year.

    All other extant polypterid species have been commercially bred for a number of years.

Another one to add is African Arowana, not bred in captivity, despite there being many farms throughout Africa trying. African Arowana are among few fish which can grow rapidly on 'filler' foods, and do not stunt in crowded conditions. This makes them great and cheap to be reared as a common food fish, or aquarium fish. Their nests are also visible from the bank, and young specimens are caught easily with just a dip net. If they didn't require such a large size for spawning, African Arowana would be one of the most sustainable freshwater food fish.

Little side note: In 1974, Moreau discovered that the spawning requirements of African Arowana were almost identical to the Aba Aba Knifefish, which led to Oladosu's accidental spawning of the Aba Aba in 1997.


Spiny Eels are also an untapped venture. Over 80 species across 3 genera, and barely any of that are bred in captivity. It's not impossible to do either, just not enough are aware how to do it, and barely anyone is trying.
 
Though there have been rumors of farm breeding I certainly have never heard of any datnoids being bred in anyone's home aquarium.
 
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