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TopicI just realized something troubling: Pet store fish never have babies.
Clench281
11/23/19 4:03:08 PM
#11:


GreenKnight127 posted...
BlackScythe0 posted...
GreenKnight127 posted...
BlackScythe0 posted...
Fish have specific requirements to breed that tend to be too advanced for the average person.


Isn't that kinda....anti-Darwinian?


You're asking if things like seasonal changes in temperature and stuff are anti-darwinian?

No, the natural environment is not anti-darwnian. Temperature swings, water parameters, water size, ect are normal.


No, what I'm saying is that if conditions need to be PERFECT in a house tank in order for fish to breed.....like the average person wouldn't be able to manage it because it's super advanced or whatever.........it makes me wonder how those fish species are still alive at all.

Even if humans are homeless, sick, drug-addicted, uneducated, and blind.....they will still be able to breed in pretty much any environment. It probably won't be the happiest life for the parents or the child (especially), but it won't stop them from breeding.

So it just seems weird that fish in a tank won't be able to breed if something as petty as ammonia levels are too high, or the water is 1 degree too cold, you know?

These fish need to man up and just fuck.


Humans are able to become pregnant year-round. Many species do not.

When you reproduce in one or only a few bouts per year, like most animals, it makes sense for your period of reproduction to sync up with others of you species. Because if you become fertile and no one else does, you're not having any babies.

But how do you sync up fertility with others? Organisms use reliable cues that change over time in the environment. They sense environmental conditions and have a physiological response that induces fertility.

In the wild, this cue is not constant, but it is reliable from year-to-year.

In your tank, that cue is not occurring.
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