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Puntius [not So Bad] Chalakkudinensis !
October 6, 2009
7:27 pm
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andy rushworth
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Hi all , I read the previous article [thread] about Puntius's Chalakkudinensis and Denisonii two i m o stunning aquarium fishes , I recently picked up five Chalakkudinensis from Pier Aquatics and though I know that when Niel [Pier Aquatics ] had a problem with aggresion among those Chala's of his I was quite stunned really ,and tried to figure out why this senario may have occured , and all I can think is the tank they were held in was possibly too small , before anyone jumps to conclusions I hasten to add that Niels filter system is huge and more than adequate , so all I can assume is the space was too small , anyway the reason for me writing this is to rectify the situation concerning P.Chalakkudinensis, mine are absolute Pussycats , the tank they are in is 48 long 15 deep and 18 wide , they share the tank with five Puntius Mahecola ,two P,assimilis ,and three Botia Striata , the main difference besides a slight difference in colour is the mouth positions ,Chalakkudinensis have an inferior mouth position ,as opposed to the normal puntius mouth position of Denisonii

Anyone who would like to try Chalakkudinensis should make sure their tank is long enough for them to have a good run [swim] /rolleyes.gif" style="vertical-align:middle" emoid=":rolleyes:" border="0" alt="rolleyes.gif" /> oh and I've seen them kept with Denisonii without any problems [ at Pier]

My reason for writing this is the last thread wasnt really fair on the Chalakkudinensis /thumbs_up.gif" style="vertical-align:middle" emoid=":thumbsup:" border="0" alt="thumbs_up.gif" />
/wub.gif" style="vertical-align:middle" emoid=":wub:" border="0" alt="wub.gif" /> /wub.gif" style="vertical-align:middle" emoid=":wub:" border="0" alt="wub.gif" /> :

October 7, 2009
1:26 am
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andrew
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Nice to see a vote in favour!

It's interesting to note how being kept in the correct conditions (or not) can alter the behaviour of the fish.

October 8, 2009
1:53 pm
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Matt
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Andy, if you can get Mick to take some pics next time he's over I'd really appreciate it. Decent shots of this species are basically unavailable and it'd be nice to add a species profile with the CORRECT fishes pictured (guess you know what I'm talking about here). /wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />

Cake or death?
October 8, 2009
3:06 pm
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johnpeten
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QUOTE (Andrew @ Oct 6 2009, 07:09 PM) < {POST_SNAPBACK}>
Nice to see a vote in favour!

It's interesting to note how being kept in the correct conditions (or not) can alter the behaviour of the fish.


From my brief observations and experiments I have found that trying to keep only one species of a cichlid in a 40 UK gallon tank has proved a disaster. Keeping a mixture of species of more or less the same size has resulted in a happy community. Of course, my fish are adolescents; as they approach adulthood, the story may change.

October 9, 2009
7:13 am
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retro_gk
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You'd think that potential adult size would give people some idea about tank size. Keeping 6" fish in a 24" or 36" long tank really won't get them to show anything close to their true behaviour.

I house my P. denisonii in a 60" (l) x 18" (w) x 12" (h) tank and they look somewhat cramped in there. A tank with a footprint of 120" x 48" or so would probably show them off better. One day...

October 9, 2009
8:42 am
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andy rushworth
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QUOTE (retro_gk @ Oct 9 2009, 07:56 AM) < {POST_SNAPBACK}>
You'd think that potential adult size would give people some idea about tank size. Keeping 6" fish in a 24" or 36" long tank really won't get them to show anything close to their true behaviour.

I house my P. denisonii in a 60" (l) x 18" (w) x 12" (h) tank and they look somewhat cramped in there. A tank with a footprint of 120" x 48" or so would probably show them off better. One day...

It must be said that the lessons were soon learned and righted , by all parties !

Retro have you disovered anything interesting with your Den's I.e food preferences etc .

How many are you keeping ?

October 9, 2009
2:37 pm
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johnpeten
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The only filters that I can obtain are internal power filters with course sponge inserts. I have cut the sponge in half and insert homemade gauze and cotton wool filters. This polishes the water to crystal clear. These filters cause quite a current in my meter long tanks ideal for fish who like fast flowing rivers like those mentioned. However the current can be controlled by increasing the thickness of the cotton wool filter and thereby reducing the filters liters per min output. By creating and controlling the current in a tank this gives the fish plenty of exercise and compensates for not being able to have a five foot long tank.
Although all my fish come from a still Lake, the cichlids and certainly the characins enjoy coasting in the current. I have come to the conclusion that with plenty of exercise this is the reason that my cichlids are growing so rapidly.
After all humans do the same thing. They go to a gym and run on a treadmill.

October 10, 2009
8:28 am
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andy rushworth
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Interesting tip there John ! so basically you are upping the flow , I notice the new Fluval internal filters have two outlets , a top and bottom basically :thumbsup:has anyone tried them ?

October 10, 2009
8:39 am
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retro_gk
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Andy, I have 5 adults (4 males and a female) in there along with assorted danionins (D. dangila, D. assamensis, D. aequipinnatus, R. daniconius).

The denisonii are not restless swimmers like the others, except when there is food in the offing. They are more Crossocheilus like than anything else when it comes to feeding, especially they way they run their lips over surfaces, looking for things to eat.

My fish seem to prefer the lower levels of the tank and will only feed from the surface with great reluctance.

John, you're fish are probably growing well because you are feeding them well and maintaining good water quality. I don't think fish bulk up in the same way people do /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />

October 10, 2009
9:53 am
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andy rushworth
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Hi Retro, your Dens seem to feed in the same way as my Chala's ? I know people have tried to reason why the different mouth shapes would be , i.e. different feeding methods etc , could it be they come from quite different types of enviroment i.e substraits , I'm guessing they must have a common ancestor ?

October 10, 2009
10:57 am
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Matt
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Adaptation to different ecological niches would make sense and yeah Andy I doubt that colour pattern evolved independently in two different fishes. *scratches chin* We need pics!

Cake or death?
October 10, 2009
11:40 am
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johnpeten
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John, you're fish are probably growing well because you are feeding them well and maintaining good water quality. I don't think fish bulk up in the same way people do /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />
[/quote]
You are quite right about this. However I have found that keeping them active keeps them living. If left to mope around they tend to die.

I also tried separating the beautiful C. salvini into their own tank. They spent their time hiding from each other and only appeared for food, several died. I added a selection of V. melanurus, C. urothphalmus and T. affinis. The salvini stopped constantly hiding and once again I had a happy tank which played together.

A well equipped French team has done a lot of research in the Peten area. Some of the small cichlids that grow to 6 and 7 inches were never observed in the local lakes at this size. 4 inches was the maximum that they observed while snorkelling or caught by netting or line fishing. Young fish that they took back to France and grew on in their tanks reached their full potential. The reason they gave was the same as yours plus the lack of stress and competition in the wild.

October 10, 2009
7:02 pm
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Sojapat
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/laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" /> Hey Andy,You are only in favour of the Chals because they are more silver than Denisonii /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />
Thinking about it though they are less troublesome in the top tank that has an additional 2 feet of lenght.
Well done for spotting that Andy ... Now does anyone want to buy some of the more ugly ones /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />
Ps I will try to get a picture from my friend of the 2 fishes together .

October 11, 2009
1:28 pm
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andy rushworth
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Ha ha , Damn Niel you got me sussed /thumbs_up.gif" style="vertical-align:middle" emoid=":thumbsup:" border="0" alt="thumbs_up.gif" /> , in fairness Niel you had already moved your Chala's into a larger tank , its just that we had discussed the bad attributes somewhere on this site , so I thought it only fair to report the good points also !

You might think they are more silvery , I personally tend to find myself having to wear sunglasses whilst viewing them /blink.gif" style="vertical-align:middle" emoid=":blink:" border="0" alt="blink.gif" /> wouldn't mind a few Dens but not sure if my eyes could take it /wacko.gif" style="vertical-align:middle" emoid=":wacko:" border="0" alt="wacko.gif" /> /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />

Niel it would be great if you could get some pics done , Matty would appreciate that ! he has pics of Denisonii ! but none of good Chala's , though I suppose a pic showing the two together would help people to understand the differences better !

October 12, 2009
11:56 am
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retro_gk
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I don't think their feeding habits are very different, Andy. I've mentioned as such elsewhere.

Their habitats are fairly similar, deepish rivers with large boulders and strong currents. They're also found sometimes in more open waters with sand or pebble substrates.

October 12, 2009
3:27 pm
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andy rushworth
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Mmm, thanks for that Retro , are they completely separated or is there a point were they merge together ?

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