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Pet Forum / Aquaria / Cichlids / December 2003



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Fish Swimming Vertically

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WyAkak - 05 Dec 2003 22:44 GMT
I've searched all of the related material I can find, but nothing
seems to really explain why my african cichlid is doing this...

it choses to swim vertically up against the aquarium heater.  It has
been doing so for several weeks now.  It's eating normally, but once
it eats it goes right back up against the heater.  The temperature of
the tank is fine, Ph is good but I'm kind of at a loss
jgrip@attglobal.net - 06 Dec 2003 01:46 GMT
Your fish is blind.

> I've searched all of the related material I can find, but nothing
> seems to really explain why my african cichlid is doing this...
[quoted text clipped - 3 lines]
> it eats it goes right back up against the heater.  The temperature of
> the tank is fine, Ph is good but I'm kind of at a loss
'nutherBob - 06 Dec 2003 15:47 GMT
If that is true, then I have a blind cichlid, too.  Is this true?  It does
come out to eat, wards off the neigbors by chasing them around the tank, but
chooses to nestle and hang at a 45 degree angle near the heater in the
corner.

Learn stuff every day..

'nutherBob

> Your fish is blind.
>
[quoted text clipped - 5 lines]
> > it eats it goes right back up against the heater.  The temperature of
> > the tank is fine, Ph is good but I'm kind of at a loss
Mephistopheles - 06 Dec 2003 18:31 GMT
> I've searched all of the related material I can find, but
> nothing seems to really explain why my african cichlid is doing
[quoted text clipped - 5 lines]
> temperature of the tank is fine, Ph is good but I'm kind of at a
> loss

It could be trying to escape an aggressor.  I once had a yellow lab
that set up residence behind a filter tube for several weeks, in a
vertical position, as a way of making itself effectively invisible
to an aggressor.

It might help if you told us what type of African cichlid it is.  
The term "African cichlid" is something of a pet peeve of mine.  I
really wish it would be banished from the aquarist's lexicon; there
is very little that all cichlids from Africa share in common, so it
is not a very helpful term.  Most people also confusingly use it to
refer to Malawi cichlids, or rift lake cichlids, which are merely a
subset of the cichlids in Africa.

Meph
Bob - 07 Dec 2003 22:05 GMT
> > I've searched all of the related material I can find, but
> > nothing seems to really explain why my african cichlid is doing
[quoted text clipped - 10 lines]
> vertical position, as a way of making itself effectively invisible
> to an aggressor.

Yeah...I agree...it is trying to hide...try getting some more rocks and
plants if you can.
Frank S - 27 Dec 2003 04:01 GMT
I believe it's hiding, like some other posters.  Maybe you don't see the
aggression from another fish.  It may be happening at night.

I have a Pseudo Socolofi Albino that does this for weeks at a time.  Then,
he's fine for a few weeks.  Then, after an incident of aggression with
another fish, he starts this again.  It must not be too painful because he's
growing fine, eating fine, and, he's been acting like this for almost two
years!  :)  I used to worry about it.  Now I don't.  :)

-Frank

> I've searched all of the related material I can find, but nothing
> seems to really explain why my african cichlid is doing this...
[quoted text clipped - 3 lines]
> it eats it goes right back up against the heater.  The temperature of
> the tank is fine, Ph is good but I'm kind of at a loss
T - 30 Dec 2003 17:39 GMT
My smaller Y Lab does this as well.. Shes not blind, but she has recently
dropped her brood. She appears to be the lowest Lab on the pecking order.

Tim..

> I believe it's hiding, like some other posters.  Maybe you don't see the
> aggression from another fish.  It may be happening at night.
[quoted text clipped - 14 lines]
> > it eats it goes right back up against the heater.  The temperature of
> > the tank is fine, Ph is good but I'm kind of at a loss
High Flight - 30 Dec 2003 18:19 GMT
>> I've searched all of the related material I can find, but nothing
>> seems to really explain why my african cichlid is doing this...
[quoted text clipped - 3 lines]
>> it eats it goes right back up against the heater.  The temperature of
>> the tank is fine, Ph is good but I'm kind of at a loss

I have 2 yellow labs in a 10g.  The larger one is about 3x the volume of
the smaller one.  I used to observe this hiding/submission behavior for a
short while until I introduced a couple small diameter pvc pipes for the
smaller fish to retreat into when it felt threatened.  Occasionally the
larger one will exhibit what looks like extreme frustration at not being
able to reach him.  And I've also seen the small one take nips at the
larger one, while safe in his little hideout.  As if to say "HA!  Take
that you big bully!"

If there's a size disparity, small hideouts would probably work for you,
too.

                Jack

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