Retirement and forum shutdown (17 Jan 2022)
Hi,
John Howell who has managed the forum for years is getting on and wishes to retire from the role of managing it.
Over the years, he has managed the forum through good days and bad days and he has always been fair.
He has managed to bring his passion for fish keeping to the forum and keep it going for so long.
I wish to thank John for his hard work in keeping the forum going.
With John wishing to "retire" from the role of managing the forum and the forum receiving very little traffic, I think we must agree that forum has come to a natural conclusion and it's time to put it to rest.
I am proposing that the forum be made read-only from March 2022 onwards and that no new users or content be created. The website is still registered for several more years, so the content will still be accessible but no new topics or replies will be allowed.
If there is interest from the ITFS or other fish keeping clubs, we may redirect traffic to them or to a Facebook group but will not actively manage it.
I'd like to thank everyone over the years who helped with forum, posted a reply, started a new topic, ask a question and helped a newbie in fish keeping. And thank you to the sponsors who helped us along the away. Hopefully it made the hobby stronger.
I'd especially like to thank John Howell and Valerie Rousseau for all of their contributions, without them the forum would have never been has successful.
Thank you
Darragh Sherwin
Nothobranchius rachovii
Nothobranchius rachovii, Ahl 1926
So, I thought I’d share it.
This photo was taken in his breeding tank just days before the females were introduced.
He looks vibrant....but within 2 weeks of this photo he really did look like a 150 year old trout.
That is, for Nothobranchius lovers, a sad fact of life in general: breeding accelerates an already rapid ageing process.
These fish tend to breed at quite high temperatures (30 C), but at that temperature the levels of free radicals may be increased and the ability to deal with them may be decreased (and many other biological things are noted).
There are some quite noticable biological differences between at temperatures of only 5 degree C apart.
Rapdid brain degeneration is also noted.
Interestingly, and not wishing to support wine-drinking, but a phytoalexin found in wine can someewhat slow down some of the biological processes in this ageing.
Hence, Nothobranchius are specifically getting much interest from the point of view of our ageing bio-marker processes.
Ian
Irish Tropical Fish Society (ITFS) Member.
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Will they not breed at 25c and do away with a lot of the problems you mentioned?
There brain may not short out and the immune system stay intact without wasting good wine.
It's a bit like wasting good vodka for denitrification on a marine tank
I dont know about you but in the evenings i dont place tea bags on my eyes i use a couple of Notho's to reduce the wrinkles.
But seriously, i would like to know more about this.
Darren.
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Quite interesting indeed. Herpetology, the scope of what is yet to be discovered is akmost infinate. I won't pretend to know a lot about it, as you've said regarding the Nothobranchius rachovii, there are many biological processes in the amphibians and reptiles studied, and their vernoms defences and biological mechanics that may and already do have an impact on daily life.
Ecolological biological research, much more important that this "carbon craic" but which gets all the research bucks.
very interesting stuff, I tihnk I need to read a lot lot lot more.
Mark
P.S. Online forums connect and create "Real World of Fish Keeping" individuals. Me for one Location D.11
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But even if the temperature were lowered, the ageing effects still progress.
There is quite a lot of scientific research going on right now looking at Nothos. The ageing effects are not just simple physiological/biochemical changes, there are changes in gene expression and mitochondrial processes as well. (and in being very brief, I run the risk of over-simplifying things).
Platy...not sure if you are at an age when ageing processes start to accelerate....but maybe I am, and therefore have an interest greater than just fish-science.
Mark...I like your final comment.
ian
Irish Tropical Fish Society (ITFS) Member.
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He might not be, but others of us are beginning (?) to reach that time...tell the scientists to get a move on!Platy...not sure if you are at an age when ageing processes start to accelerate....but maybe I am, and therefore have an interest greater than just fish-science.
:o)
John
I've just been on the calculator.....I suppose I'm about 400 dog-years old, but am 15,000 Nothobranchius-years.
Ummm. Interesting, but I still have more hair than a Nothobranchius.
Maybe a theme for a new competition....guess the age of IFK members as fish-ages.
John...here's some good scientific advice: buy a load of smallish Pacu's and then steal the skin off the tonnes of red grapes you bought got 'em.
It'll keep you young, and annoy the fish in one go (nothing like a pacu wagging at you with annoyance)
ian
Irish Tropical Fish Society (ITFS) Member.
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