Goby jumping to his death

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Hi, bought a orange spotted goby yesterday evening and introduced him to the tank. He hid for the entire evening under a rock and refused to come out. This morning I came downstairs to find him on the floor. I don’t have a lid on my tank and was unaware that this was going to happen. I have to clowns in there and they have been fine.

Is this a common thing with gobies? Just seems a little odd that they’re the type to jump out of the tank as I assumed they were bottom dwelling most of the time as they sift the sand.

Has anyone else had this happen???

HK_Fuey

  • Graeme
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Reply #1

Oh no! Unfortunately it's not uncommon for tanks without lids to have fish jump.  What often happens is the fish is spooked by something, shoots along, runs out of space, so goes up the glass and ends up jumping into the weir or out of the tank.

Gobies aren't particularly known for this, so you've just been very unluckily. Wrasse, firefish, dartfish and more are known to jump often.
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Gofro

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Reply #2

Ah I see.

I have a glass shelf running the length of the front and back of the tank so I could easily get a piece of clear acrylic or something to sit iver the top. My only concern then is will it limit the gas exchange??

Hai

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Reply #3

Hi mate, don’t worry about limiting gas exchange...

I have the glass covered the entire surface of the display tank except the weird box area. IMO, I think the sump has provided more than enough for that :)

smifs_reef

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Reply #4

Sorry to hear about your goby dude. I had a memo jump out when I first set my tank up with no lid. He was all crispy on the UFH


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Gofro

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Reply #5

Thanks!!!

I was gutted illbe honest! I changed my whole substrate about a month ago just so I could have a goby and less than 24 hours later he jumped!!!

I do t have a sump at the minute you see so was worried about gas exchange as I’m struggling to keep my pH above 8 as it is!

Could I drill numerous small holes in the acrylic for air? Not too fussed on evaporation just keeping the fish in and safe!

Sorry to hear about your fish too!

fishface

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Reply #6

I bought a sulphur goby last Saturday and had mesh covering most of the tank he jumped after 3 days

Gofro

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Reply #7

Ah, sorry to hear that! They’re clearly jumper!! Fish in the edge!! Ha.

I’ve just covered my tank with 2mm acrylic and drilled about 200 hundred holes in it.

How badly is covering the tank going to cause problems with gas exchange? I don’t have a sump so all gas exchange has to happen in my display tank! Not concerned about evaporation as the tank is quite small so topping off isn’t really a problem!

Any thoughts??

HK_Fuey

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Reply #8

I'd look into getting a mesh top.  You may get heat issues in the summer with acrylic, and possibly gas exchange with no sump. A mesh would solve all those issues.  Make sure it fits well,  as even a few mm will be enough for some fish to push through.
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smifs_reef

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Reply #9

Random question. Is the tank on an outside wall? Could u drill a small hole and connect airline tube through the wall to outside directly on to your skimmer. Will sort your ph out and keep it far more stable if u can get air from outside


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Gofro

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Reply #10

Thanks for the advice! I’m currently not running a skimmer as I’m trying to keep the noise levels down and from what I’ve seen and read, internal or hob skimmers are quite noisy!

Tank isn’t on an outside wall. It’s against an internal deviding wall unfortunately!

rik derris

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Reply #11

Thanks for the advice! I’m currently not running a skimmer as I’m trying to keep the noise levels down and from what I’ve seen and read, internal or hob skimmers are quite noisy!


Based on the advice I found here I bought a Tunze internal skimmer. As my tank is in our main living area I too was worried about the noise.

However this is great I never hear it and it has a small air chamber  that sits outside the tank to cut down noise.


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Gofro

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Reply #12

Ah, ok.

What model Tunze is it?

rik derris

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Gofro

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Reply #14

Thanks I’ll have a little look!

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