Tannin Aquatics Posted January 6, 2017 Report Share Posted January 6, 2017 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! 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. (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) Quote Link to comment Share on other sites More sharing options...
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