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Marbled or Silver Hatchet Fish
#1
I’ve finally decided on my last addition to my tank - hatchets. Saw some in a video online and they look incredible, plus they’re top swimmers which will go well in what I currently have.

Is there a behavioural difference in marbel and silver? 

What’s a good group size?
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#2
Hatchets are fascinating creatures, for sure. I think I had Silver Hatchets very early on in my fishkeeping 'career' but even if I could remember details of their behaviour it wouldn't have been entirely natural, because I think I only had one or two.

Later I had a squadron (there's no other word for it!) of Marbled Hatchets in a tank that had linear flow, end-to-end. They formed up in a sort of triangular formation facing the current. Every so often the 'lead' one would drop to the back and another would take its place at the apex of the triangle.  The formation only broke up at feeding-time (they absolutely love fruit flies, btw!) when competition was fierce!  I never saw any real aggression between individuals, though.

I think (the usual!) half-dozen would be a minimum number ; if you or your tank could stretch to more it'd be better.
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#3
(19-07-2019, 08:20 PM)Vale! Wrote: Hatchets are fascinating creatures, for sure. I think I had Silver Hatchets very early on in my fishkeeping 'career' but even if I could remember details of their behaviour it wouldn't have been entirely natural, because I think I only had one or two.

Later I had a squadron (there's no other word for it!) of Marbled Hatchets in a tank that had linear flow, end-to-end. They formed up in a sort of triangular formation facing the current. Every so often the 'lead' one would drop to the back and another would take its place at the apex of the triangle.  The formation only broke up at feeding-time (they absolutely love fruit flies, btw!) when competition was fierce!  I never saw any real aggression between individuals, though.

I think (the usual!) half-dozen would be a minimum number ; if you or your tank could stretch to more it'd be better.

Thank you, this is the answer I was looking for! They sound great, you've helped me make my mind up (and I'll be going for the standard 6).
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#4
Silvers are a bit hardier than marbled, but quite a lot bigger.
I've had both and the silvers certainly survived longer in my tank.
If at first you don't succeed....
...get someone else to do it! Big Grin

Enjoy your fish, shrimps and snails!
Ian

All my posts are from a desktop.
Mobiles are way too complicated for me, although I do have one now. Wink
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#5
Thanks Smile. I'm pretty much sold on Silver, as they'll be a good colour contrast in my tank and because they're hardier.
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