The Slime Mould Collective

An international network of/for intelligent organisms

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ian's Discussions

Back in production

Started Jun 15 0 Replies

Hey folks. I drifted away from the web again, but here I am crawling back like a slime mould to an oat flake.The last year hasn’t seen much slime activity from me – we gave our spare room to a…Continue

Slime manifesto 6th edition fancy a proof read?

Started this discussion. Last reply by RyChu Apr 22. 12 Replies

A big update, now with more eye candy, growing from spores, science history and 10% more oats than other leading brands. …Continue

Slime culture posting - What to expect

Started Oct 17, 2022 0 Replies

Hi Folks, I'm not great at going online regularly but I do keep an eye out for requests. I'm managing to post out cultures every 2 weeks, if I'm low on stock it might take me three weeks to raise…Continue

Slime back in production!

Started this discussion. Last reply by Justin Couvrette Jul 18, 2022. 2 Replies

I've slimes available to post again - fresh off the drying rack and itching to explore the world.At the moment just Daywalker but I'll rear some of the others soon. Continue


ian's Page

Latest Activity

Ray replied to ian's discussion How to get a physarum culture
"Hello Ian. My friend recommended me to you, after getting slime from you in the past 🙂 I've seen springtails eat it, which I'm particularly interested in, but also I've become fascinated by it and would love to grow some myself.…"
Sep 20
Tom Smith replied to ian's discussion How to get a physarum culture
"I am of course brand new to P. Polycephalum and have A LOT to learn. I began my steps in this pursuit by some Slime from Carolina, after a suggestion from my nephew. We are looking to solve a maze and maybe replicate the Tokyo pattern. But I myself…"
Sep 13
Tom Smith liked ian's discussion Back in production
Sep 5
ian replied to Jess Elliott's discussion Sm and packaging design
"Yes they evaluate food value and size. If you want to use weighting, the Dusstour group used 10% powdered egg in agar vs 2% oat agar, you can chuck valerian in the mix if you want something bordering on addictive and salt or baking soda to repel.…"
Jul 19
ian replied to Karl Schofield's discussion Physarum in a fish tank
"You're way too damp there and if you use lichen and fungi as food sources you won't get so much mould. "
Jul 19
ian replied to Ronnie's discussion Some help regarding growth and inoculation please!
"Hi I think you're not using a large enough innoculum - slimes essentially burn biomass to move around, if you're getting white trails, they're abandoned branches which suggests there's not enough plasmodium there to get it to the…"
Jul 19
ian replied to Karl Schofield's discussion Physarum in a fish tank
"I grow it terraria regularly, if you want to coax it out try lichen covered sticks and fungi. I use moss to hide the original petri dish "
Jul 17
Jess Elliott liked ian's discussion How to get a physarum culture
Jul 14
Ben Gruver replied to ian's discussion How to get a physarum culture
"Hi Ian! If you have some available and get a chance, I'd love to get some Physarum from you. I want to try to culture/propagate it and use it as food for some springtails that seem to be very picky eaters, but who have expressed an…"
Jun 26
ian replied to Katie's discussion Receiving culture
"On the growing side btw  their doubling time is 12 hours so you don't have to worry too much "
Jun 20
ian replied to Katie's discussion Receiving culture
"Hi pm me and I'll post some out - I dropped off the web for a few weeks l, likewise Juan "
Jun 20
ian replied to AndyGadget's discussion Enteridium lycoperdon or giant zit?
"Bark off the same tree needs to be in the medium. I got some going last year, I'm setting up another go to see if it will make sclerotia"
Jun 17
ian replied to Arman's discussion Advice rearing from spore
"Hi  Getting slime from spores isn't hard (for some species) but it's slow. First of all they have a dormancy period to serve - I think it's three weeks min for physarum, I give wild things a couple of months. Some species require…"
Jun 17
ian posted a discussion

Back in production

Hey folks. I drifted away from the web again, but here I am crawling back like a slime mould to an oat flake.The last year hasn’t seen much slime activity from me – we gave our spare room to a refugee so I had to pack up the Slimery. Under the bed turned out to be not great for growing slimes, I’ve lost a few of the hybrid strains ( no big deal ) and at some point, Mazie got into a tray of drying Daywalker so I’ve been back tracking through stored samples to get the strain back, many slimes had…See More
Jun 15
ian replied to AndyGadget's discussion Enteridium lycoperdon or giant zit?
"Looks like it to me - there was a flush of them round here, Someone should try frying one up and find out if the stories are true.."
Jun 15
Katie Losey commented on ian's photo


"Ian, would it be possible to possibly feature this image in an article I am writing about innovations inspired by slime mold? If so, please advise how you would like it credited! Thanks so much for your consideration. "
May 18

Profile Information

What is your interest in slime moulds? (we need to know you're not a bot or spamster)
I'm a professional microscopist and amateur time lapse filmer. I'm looking forward to combining both disciplines with these fascinating organisms
Academic Institution (if applicable)

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Comment Wall (6 comments)

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At 15:36 on October 10, 2019, Sean said…
Hello! Thank you for the warm welcome! I’m excited to get working with some slime mould. Just spent the day hunting/photographing some in Epping forest but pretty sure I got 95% mushrooms. Any chance I could send you some pictures of what I think are slime mould spore capsules for your opinion?
At 21:03 on January 16, 2018, Kendra Fanconi said…

Oh that would be amazing. I was looking at ordering it from the US. Is there any issue with getting it through customs? 

At 16:05 on October 27, 2015, Marijn Roelvink said…
We received the Physarum today, thanks a lot!
At 12:19 on October 14, 2015, Marijn Roelvink said…
Hi Ian, thank you for wanting to send the Physarum, I was just wondering if you could tell me when they will arrive, it'll help a lot with our planning :)
At 10:37 on February 10, 2015, enrico viola said…
I received my samples today: thanks a lot!
At 8:10 on February 3, 2015, enrico viola said…

Sent you a pm with my address; thanks again!

Ian's Blog

Raising from Spores - Zero Tech Method

Posted on April 11, 2017 at 13:30 0 Comments

I've been looking for a way to rear physarum from spores without resorting to bacterial lawns and needing autoclaves etc.

I've only done a couple of trials but this method seems to work ok, it does require a bit of patience.

I used petri dishes and filter paper but any container and a bit of tissue should work.

The idea is to let the food go off producing bacteria for the amoebal phase to feed off then slowly dry them out so they get persuaded to form…


Big bang, big disappointment :)

Posted on March 16, 2016 at 17:04 0 Comments

Four weeks of crazy work,  turning the spare room into a culture lab and time lapse studio I made enough culture for two thousand people and I should be there with my friends and colleagues on the stand inspiring the next generation of scientists,  slime fans and eccentrics.  

Unfortunately I'm stuck on a hospital ward with fifty stitches in my neck waiting until I'm allowed home. So it goes I suppose but damn I was looking forward to the Big Bang Fair,  I couldn't even bring a slime…


Plotting and planning....

Posted on June 2, 2015 at 11:31 0 Comments

Getting involved with several schools in my area running STEM club activities - I'm trying to design a six week course on our dear sticky friend that'll be adaptable to ages 12-17. Looks like it'll be fun ( and a lot of work ). My own cultures have been dormant for a while aside from raising the odd batch but I should start playing again soon. 

Raising slime again..

Posted on May 18, 2015 at 14:17 0 Comments

Blimey it's been a while, we've got the finals lab projects for the students at work on at the moment so I'm not getting time to play. I've got a session with 95 school kids booked in in June so I'm raising as much slime as I can cope with in preparation for that. 

I'm planning on getting them to make Plasticine mazes in petri dishes for their cultures so they've something to take home.

I've also got these intriguing mycena cholorophos spores ( a glowing mushroom ),…


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