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One giant leap...


Tannin Aquatics

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Ever wonder why some fishes jump so well?

I mean, I've had Rivulus that could soar out of the smallest opening in an aquarium, like a Trident ICBM leaving a submarine launch-tube!

Rivulus-Guyana_grande.jpg?v=1483718091

And being a lover of open-top tanks, it doesn't seem like I'll ever have any of my beloved Marbled Hatchetfishes (Carnegiella strigata) or "Splash Tetras' in my tanks.

1024px-Copella_arnoldi_grande.jpg?v=1483

(Splash Tetra, Copella arnoldi Pic by Zikamoi, used under CC BY S.A.-3.0)

Then again, I've had an Apistogramma do a "death leap" out of my open-top tank, too-so you can never be too careful, right? Fishes jump out of fright, aggression, etc...too many reasons to theorize. Obviously, if you're water smells like #$^&, there's a better-than-average chance that they're jumping cause the living conditions suck. And they're just hoping that "the next stream over" has better water.

Yeah. (click to read more)

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