Age of fish.

Discuss all aspects of freshwater tropical fish and aquariums.

Age of fish.

Postby cobden28 » Fri Mar 16, 2012 11:38 am

Just had a thought, when you buy tropical fish from a fish shop roughly how old are they? Or are they just sold as soon as they're identifiable/big enough to be transported and not necessarily big enough to be sexed?
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Re: Age of fish.

Postby markee » Fri Mar 16, 2012 1:32 pm

Most fish sold will be juveniles or young adults, which for the majority will be unsexable. Some fish will have tell-tale signs but a lot just comes down to luck in young fish. I guess the reason they are sold young is because some have relativly short lifespans, say 1 or 2 years, so nobody really would want to buy an adult fish, not knowing how long it's been an adult, if it's only going to live for a short period of time. The chances are most adult fish you see for sale have been rehomed.
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Re: Age of fish.

Postby Carylnz » Fri Mar 16, 2012 10:23 pm

The smaller the fish the shorter the lifespan )except killifish which you will get 2 - 3 years out of).
Neons and live bearers 3 - 4 years
Gourami (pearl, orange) 5 - 7
Most tetras, rasboras and other egg layers of medium size - 6 - 8
Oscars - 15 - 20
Clown loaches - 27+
goldfish ought to get 30+ years in a pond but 10 - 15 in an aquarium
My home forum is The NZ Fishroom http://www.fnzas.org.nz
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