Search found 2902 matches

by Bas Pels
21 Jun 2023, 07:49
Forum: Speak Easy
Topic: Policing the scientific lexicon
Replies: 9
Views: 3905

Re: Policing the scientific lexicon

I read the paper, completely, and Jools summerizing is remarcably correct. More to the point, I get the feeling that polictical correct language is something one sees especially in English. That is, especially in the UK and the USA people tell each other not to use certain words because these could ...
by Bas Pels
17 Jun 2023, 08:25
Forum: Taxonomy & Science News
Topic: How green is your fishkeeping?
Replies: 8
Views: 1494

Re: How green is your fishkeeping?

I'l be getting solar cells Monday 26 June. That will help reduce my fishkeeping footprint - I use more electricity for my tanks than thw average sized fiamilies would do.

So that will help a lot. Still, my brother races with a car, and compared to them, we're quite green :)
by Bas Pels
02 Jun 2023, 07:57
Forum: Speak Easy
Topic: Hybrids catfish: breeding chance ?
Replies: 2
Views: 3067

Re: Hybrids catfish: breeding chance ?

mosat hybrids are sterile, However, S granulosus comes from Lake Tanganyica, with quite unusual water parameters. I wonder whehter your hybrids, most likely descending from riverine species, would like that water. Further I would assume the hybrids would have some influence on your granulosus. I wou...
by Bas Pels
19 May 2023, 07:25
Forum: Tank Talk
Topic: Is polypropylene with "UV-Stablizier" okay in aquariums?
Replies: 4
Views: 3332

Re: Is polypropylene with "UV-Stablizier" okay in aquariums?

As far as I know, if it is safe for us - that is, food graded - it is supposed to be safe for our fishes. While Victor is right - when in doubt, try with easier fishes, but such a test would, could take very long. After all - if you intent to expose yuor sensitive fishes for 10 years to the stuff, w...
by Bas Pels
04 May 2023, 13:32
Forum: Speak Easy
Topic: world freshwater fish atlas
Replies: 4
Views: 3288

Re: world freshwater fish atlas

A book of all sweet water fishes in the world would be too much to ask for. I have the book about sweet water fishes of Mexico - not much catdfish - but this one book is ome 300 pages. Large pages.

The book you would be after would be thousands of pages, a few kilos in total.
by Bas Pels
03 May 2023, 07:27
Forum: Tank Talk
Topic: Beach sand
Replies: 5
Views: 3453

Re: Beach sand

In the UK this opinion is not the common, but here, in NL, around 45 % share that opinion, I'm one of them.

Better still, here the owner of the land is entitled to all the sand he can withdraw from it - and while we cannot own bodies of water, we can own the shore
by Bas Pels
11 Apr 2023, 19:50
Forum: Other Catfishes
Topic: Looking for a Small Central American Catfish For Biotope!
Replies: 4
Views: 10690

Re: Looking for a Small Central American Catfish For Biotope!

As central America is poor in catfish, and swordtail lack almost all agression outside their own species (I am a member of Poecilia, the Dutch lifebearer association) I would not hesitate combining cats from far wasy Still, they need to vope with hard water and sords prefer it cool Even X helleri is...
by Bas Pels
04 Apr 2023, 14:37
Forum: South American Catfishes (Everything else)
Topic: Does pH and hardness matter with hatching woodcat eggs?
Replies: 8
Views: 3392

Re: Does pH and hardness matter with hatching woodcat eggs?

I would say, fish can adapt. Problem is, a fertilized egg is a new individual, which will have to start to adapt. But in very hard water, an egg of a soft water fish, will not have enough time for this adaptation. That being said, the conclusion would be that all fishes would need water which resemb...
by Bas Pels
01 Apr 2023, 08:35
Forum: South American Catfishes (Everything else)
Topic: Amblydoras nauticus spawned
Replies: 88
Views: 21850

Re: Amblydoras nauticus spawned

You mustbe a very happy man

All the luch with raising the fry
by Bas Pels
16 Mar 2023, 07:31
Forum: Tank Talk
Topic: How would you interpret "minimum aquarium size 60 cm"?
Replies: 4
Views: 4002

Re: How would you interpret "minimum aquarium size 60 cm"?

To me 60 cm size would be a 60 * 30 *30 cm tank. However a 50 * 40 * 40 cm tank does contain more water (80 L instead iof 54) which would seam to e bertter. However for territorial fishes, or ones that like to swim length is more important than liters. So yes, sometimes length is sufficient informat...
by Bas Pels
11 Mar 2023, 10:57
Forum: Tank Talk
Topic: Long vacation, Fish Survival
Replies: 7
Views: 987

Re: Long vacation, Fish Survival

Once I changed water, nothing special iI do that more often, and the amount was also normal. But what was not normal was, that an hour later half my headstanders - 3 of the 7 Laemolyta taeniata and 5 of the 9 Abramites hypselonotus started tolling in the tank. I lost them all Had I been away, this w...
by Bas Pels
18 Feb 2023, 08:28
Forum: Other Catfishes
Topic: Breeding spoonface whiptaiks?
Replies: 3
Views: 3493

Re: Breeding spoonface whiptaiks?

Groups always do better. In some species males need competition in order to even try. In others, the group helps the fishes to feel at home In a tank, we always select on the ability to adapt to life in a tank. Some do better than others, and if you start with more, chances are much better you have ...
by Bas Pels
21 Jan 2023, 08:35
Forum: Other Catfishes
Topic: Cold water catfish like pangasius cats
Replies: 13
Views: 4785

Re: Cold water catfish like pangasius cats

As far as I know, Pangasius are unlike any other fish. So it will be very hard indeed to find something similar. Free swimming catfish are extremely rare, and most often found in areas where you find lots of catfish. The bottom is their preferred place, but some might leave the bottom, if competitio...
by Bas Pels
27 Dec 2022, 08:28
Forum: South American Catfishes (Callichthyidae - Corys et al)
Topic: Corydoras water depth
Replies: 2
Views: 974

Re: Corydoras water depth

I would start to wonder at 70 cm or 25 inches, indeed
by Bas Pels
12 Nov 2022, 08:24
Forum: Tank Talk
Topic: Bare or substrate
Replies: 3
Views: 775

Re: Bare or substrate

The arguments are that a bare bottom is easier to claen, but a saubstrated one reduces stress. I personally think less stress will increase growth, and make the fish hardier against any disease. You won't be surprized I use sustrate. In fact I even use plants and rlittle stones to reduce stress - bu...
by Bas Pels
04 Nov 2022, 07:35
Forum: Taxonomy & Science News
Topic: Silurus glanis in Italy
Replies: 1
Views: 597

Re: Silurus glanis in Italy

In the Netherlands Siluris glanis, native, is protected. I always assumed it was native all over Europe, but apparently it is not. This way, it can be an invasive species in Italy - only one day driving away.
by Bas Pels
31 Oct 2022, 12:28
Forum: Tank Talk
Topic: catfish for pond
Replies: 11
Views: 1781

Re: catfish for pond

As water of 4 C is the most heavy there is, the bottom of your pond will remain @ 4 C in the coldest of a normal winter with this depth. Still 4 C will be found Not many fishes are imported from southern South America, but perhaps you could be luckey with fishes from north America. Further I would r...
by Bas Pels
16 Oct 2022, 21:41
Forum: Tank Talk
Topic: Cory Sterbai toxin
Replies: 4
Views: 1139

Re: Cory Sterbai toxin

While Corydoras sterbai is said to be amongst the Corys with the most potens venom, ist is harmless for people. still, cleaning the rocks every other day is far too much cleaning. That would stress any fish. The rocks might gget a greenish blush, which will help getting the water good. But even if t...
by Bas Pels
24 Sep 2022, 13:34
Forum: Cat-eLog data issues
Topic: What to do with the "Glo Cory"?
Replies: 4
Views: 4776

Re: What to do with the "Glo Cory"?

With regard to reselling these fishes, chances are one could face a patent lawsuit in such a case for selling fry. However, it could be one is free to sell the original bought fishes. In Europa, if one would buy a patented product, one is free to resell it. But not copy it. The legal status for offs...
by Bas Pels
23 Sep 2022, 14:18
Forum: Cat-eLog data issues
Topic: What to do with the "Glo Cory"?
Replies: 4
Views: 4776

Re: What to do with the "Glo Cory"?

As far as I know, they are legal in the USA, but forbidden in the EU. And I would not know about other parts of the world. Still, legal or not, they are manmade fish with an ethical aspect. I dislike them, but I'll try to remain as neutral as possible here. Do we have special entries for albino Cory...
by Bas Pels
16 Sep 2022, 07:49
Forum: South American Catfishes (Everything else)
Topic: My Platydoras is too big
Replies: 8
Views: 2211

Re: My Platydoras is too big

Dear Kiwidu This happened between 1997 and 1999 - I was livinmg in those yerar in a place where this happend, therefore I can name the years. I did not note anything special, and the fish were fed daily. However, I never fed the Platydoras at night, it was always during the day. And perhaps - I real...
by Bas Pels
15 Sep 2022, 08:40
Forum: South American Catfishes (Everything else)
Topic: My Platydoras is too big
Replies: 8
Views: 2211

Re: My Platydoras is too big

Mine were always rounded and lived for some 27 years. I don't think thewrefore a round belly is harmfull to them in any way. They can surprize their keeper. I once had them combined with some 30 male platys (Xiphopphorus maculatus I mean) which went well, untill it did not: One morning they were all...
by Bas Pels
04 Sep 2022, 21:55
Forum: Tank Talk
Topic: Hydrometer bubble
Replies: 4
Views: 1517

Re: Hydrometer bubble

The only solution is to replace it.

The line is broken and therefore the temperature will not kind of accurately de shown.
by Bas Pels
03 Sep 2022, 12:50
Forum: Cat-eLog data issues
Topic: Etymology of Mastiglanis? or at least of "glanis"?
Replies: 14
Views: 7358

Re: Etymology of Mastiglanis? or at least of "glanis"?

As sheat-fish is an unknown word for me, I tried google translater with it,

I got meerval, which is Dutch for catfish

So, apparently sheat-fish must be a synonime for catfish in English. But that does not explain why a sheat-fish, to me that is a fish in or with a sheat, would be a catfish.
by Bas Pels
02 Aug 2022, 07:30
Forum: African Catfishes
Topic: Lowest ph you keep Syno a multi in?
Replies: 2
Views: 4081

Re: Lowest ph you keep Syno a multi in?

No. S multipunctatus comes from Lake Tanganyica, and that is a very large lake, with a constant pH, for eages constant. In other words, fishes from that lake will not be very tolerant in matters of pH, temperature (should be 24 C (~75 F), not the 27 C (80 F) your Heros severum requires) feeding (Her...
by Bas Pels
31 Jul 2022, 20:02
Forum: South American Catfishes (Everything else)
Topic: Platydoras armatulus or not ? And behaviour questions
Replies: 7
Views: 2503

Re: Platydoras armatulus or not ? And behaviour questions

I've had 3 P armatulus for some 28 years, combined with central American cichlids. When I got them, in 1988, I had a problem with the fish foord being course, and the cichlids spoiled quite a lot. So I needed a cleaner. These cichlids sometimes hjurt each other, and salt is a good cure helping them ...
by Bas Pels
13 Jul 2022, 07:22
Forum: Taxonomy & Science News
Topic: Reproductive traits of Ancistrus multispinis and Pareiorhaphis hypselurus
Replies: 2
Views: 1601

Re: Reproductive traits of Ancistrus multispinis and Pareiorhaphis hypselurus

In most non tropical species day length is very important, that is, the results of this study mostly confirm what one would expect.

Nice.
by Bas Pels
16 Jun 2022, 07:31
Forum: Asian Catfishes
Topic: Pachypterus atherinoides behaviour
Replies: 4
Views: 5345

Re: Pachypterus atherinoides behaviour

Adult P. atherinoides have the strongly projecting upper jaw and exposed teeth you see in P. khavalchor , which led me to think that all Pachypterus are scale-eaters. I feel like lepidophagy would not be as bothersome in the wild as the victims would just be passing by and inconvenienced only for a...
by Bas Pels
26 May 2022, 20:41
Forum: Speak Easy
Topic: Plecos: The article that started it all.
Replies: 3
Views: 2739

Re: Plecos: The article that started it all.

I've never read it. Only another 23 years and it'll be out of copyright. :-) Jools I´m aftraid that will take a lot longer. In the EU, copyright is 70 years - starting cxounting after the year the author died. If the author is a legal entity, the counting starts the year after publishing. Now, the ...

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