Home / Magic Mushroom Spores / Psilocybe Cubensis / Nezuko
Psilocybe cubensis
Nezuko
A Thai-line cube with golden caps, thick stems and those distinctive curling rims, named off an anime favourite. A standard dark cubensis print, sometimes a lighter depositor, all-purple lineage and all.
Choose your format
Some formats are out of stock
Want to know the moment it returns?
Sold for microscopy, taxonomy and collecting only. Not for cultivation.
filled under laminar flow
plain packaging, tracked
The short version
Nezuko is a modern Psilocybe cubensis line, by most accounts a MagicMyco isolation of a Thai mushroom called Namuang, brought round by a grower known as Doma. Expect golden-brown caps that curl at the edges, thick pale stems, and an ordinary dark purple-black print that some report drops on the lighter side. The backstory is thin and the name is pure anime fandom. Treat history as community lore.
Straight talk
Fact vs. legend
There is a lot of folklore around this strain. Here is which bits are real, side by side.
What we actually know
- Genetically it is a plain Psilocybe cubensis, not a hybrid, not a separate species, and not an albino or leucistic line.
- It is a recent vendor-named line rather than a documented old strain, so its paper trail is short and mostly comes from the spore vendors that distribute it.
- By the most consistent accounts it is a MagicMyco isolation of a Thai line called Namuang, said to have been brought to wider circulation by a grower known as Doma.
- Fruitbodies are reported as golden-brown capped with thick stems and caps that tend to curl at the rim, a look people often describe for Thai-derived cubes.
What the community says
- The story goes that the original Namuang material was first collected in the wild in Thailand before being isolated, though no collection details are documented.
- The name is community lore, said to honour Nezuko Kamado from the anime Demon Slayer, apparently for the idea of a soft, pretty look paired with hidden toughness.
- One claim circulating online calls it a Golden Teacher crossed with a leucistic or partly albino strain. The vendor descriptions of golden caps and a dark print do not support that, and it reads like a mix-up.
- Namuang is also the name of the 'Purple Waterfalls' on Koh Samui in Thailand, so the strain name may simply point at a place. Whether the spores genuinely trace back there is unconfirmed.
The story
A new name with a Thai accent
Nezuko is one of the modern wave of cubensis lines: a name that turned up through the spore trade in the last few years rather than something handed down from the old forum days. That means the starting point is that its history is thin and lightly documented, and almost everything you read about it traces back to the vendors selling it rather than to any independent record. Worth keeping in mind before anyone tells you a tidy origin story.
That said, the accounts are reasonably consistent. By most accounts Nezuko is a MagicMyco isolation of a Thai line called Namuang, said to have been first collected in the wild in Thailand and brought into wider circulation by a grower remembered as Doma. As an isolation it is still just Psilocybe cubensis, a single tropical, dung-loving species, dressed up with a memorable name. The "Namuang" tag is a nice thread to pull: Na Muang is the famous Purple Waterfalls on Koh Samui, so the name may simply nod at a place, though whether the spores really trace to that spot is anyone's guess.
The name is the easy part. Nezuko is borrowed straight from the Demon Slayer heroine. The mushroom underneath is a plain, good-looking Thai-style cube.
The albino mix-up
One claim worth heading off: you will sometimes see Nezuko described as a Golden Teacher crossed with a leucistic or partly albino strain, which would imply a pale, ghostly fruitbody. The actual descriptions point the other way, golden-brown caps and a normal dark print, so that "albino hybrid" line looks like a mix-up rather than fact, possibly seeded by the way some catalogues file it next to Golden Teacher. Take it as lore, not lineage.
The species
Meet Psilocybe cubensis
Nezuko is a collector’s line of a single, well-travelled species. Psilocybe cubensis was first written up in 1906 by the American mycologist Franklin Sumner Earle, from a specimen found in a cattle field in Cuba, which is where the name comes from. He originally called it Stropharia cubensis; Rolf Singer moved it into the genus Psilocybe in 1948.
The genus name is a tidy bit of Greek: psilos (“bare”) plus kubē (“head”), for the smooth, peelable skin of the cap, so the full name reads roughly as “the bare-headed mushroom from Cuba.”
- Family
- Hymenogastraceae (older books say Strophariaceae)
- Genus
- Psilocybe (Fr.) P. Kumm., 1871
- Species
- Psilocybe cubensis (Earle) Singer, 1948
- Basionym
- Stropharia cubensis Earle, 1906
- This product
- Nezuko, a collector’s cultivar of the species
- Type locality
- Cuba (where it was first named)
How you’d know it
Field marks
These describe the mature mushroom for reference and identification.
Golden-brown curling cap
Reported as a warm golden-brown, and notably inclined to curl or wave at the rim rather than flattening into a clean disc. Convex when young, like most Thai-leaning cubes, holding its rounded shape for a while.
Thick pale stem
A stout, fibrous white-to-cream stipe, on the chunky side for the species. A leftover partial veil typically leaves a ring (annulus) that ends up dusted darker as spores ripen.
Darkening gills
Crowded, pale grey-violet when young, deepening toward near-black as the basidia ripen and shed. Standard cubensis gill progression, no pale or albino quirk here.
Blue bruising
Handle the flesh and it bruises blue-green, the usual Psilocybe tell, as the indole compounds oxidise to blue pigments where the tissue is damaged. Expected of any true cubensis.
Where it comes from
A dung-lover with a wanderer’s history
Psilocybe cubensis is coprophilic, a fancy word for dung-loving. In the wild it lives on the droppings of big grazing animals, classically cattle and water buffalo, fruiting from warm, humid pasture. It does not grow on wood and it does not partner with tree roots.
You’ll find it across the warm parts of the world: the Gulf Coast of the United States, Mexico, Central and South America, Southeast Asia and Australia. It was named from Cuba, but where the lineage truly began is an open question. A 2026 study describing its closest wild relative in southern Africa suggests the deep roots are Old-World, the mushroom having apparently travelled with grazing herds long before anyone gave it a Latin name.
The main event
Under the microscope
This is what you actually bought the spores for. Put a print or a drop from a syringe on a slide and here’s what shows up.
- Shape & size. Smooth, thick-walled and subellipsoid, like a slightly squashed rugby ball, roughly 11.5–17 µm long by 8–11 µm wide (the figures Paul Stamets settled on).
- The germ pore. Look for a single pale, flattened dot at one end. That’s the one thin spot in the wall where, in nature, a mushroom would begin, and a real cubensis hallmark.
- Pale alone, dark in a crowd. A single spore looks honey-amber with the light behind it; only in a mass do they read deep purple-brown to black. So a near-black print but pale spores on the slide is normal optics, not a dud.
- Pigment is normal here: Nezuko drops a standard dark purple-black print, not a pale one. That said, at least one vendor describes it as depositing only a light amount, so do not be surprised by a thinner-than-average mass. Scrape from the densest patch to get spores in mass for colour work.
- What you’ll need. Find the field at 100×, study shape and the germ pore at 400×, and get the wall crisp at 1000× under oil. A touch of methylene blue or KOH lifts the contrast.
- The legal bit, and why it’s true. A dormant spore carries no psilocybin or psilocin at all; that chemistry only appears later in living tissue. That is exactly why the spores are legal to own and study in the UK.
Choose your format
Print, syringe, vial or swab?
Same lab-grade genetics in every option. The honest difference is shelf life versus how soon you’re at the scope.
Spore print
Keeps longest
Spores dropped straight onto sterile foil. Stored cool and dry it outlasts everything else here, so it’s the one to reach for if you’re building a collection to keep for years.
Spore syringe
Ready tonight
Spores suspended in sterile water, ready to go straight onto a slide. The quickest way to be looking down the microscope this evening. Comes in 3 mL and 12 mL.
Vial & swab
Compact
A sealed glass vial is a tidy middle ground; a sterile swab is the most travel-friendly, robust little format for adding a strain to your reference set.
At a glance
The spec sheet
- Species
- Psilocybe cubensis
- Strain
- Nezuko (collector’s cultivar)
- Spore print
- Dark purple-brown to near-black, heavy depositor
- Spore shape
- Subellipsoid, smooth, thick-walled, with a germ pore
- Spore size
- ~11.5–17 × 8–11 µm
- Basidia
- Mostly 4-spored, ~20–30 × 7–10 µm
- Wild habitat
- Coprophilic, on herbivore dung & warm pasture
- Climate
- Subtropical to tropical
- Intended use
- Microscopy, research & collecting only
Dig deeper
Further reading
Independent, non-commercial sources, no shops, just good information.
- Psilocybe cubensis on Wikipedia: the species overview.
- The genus Psilocybe: taxonomy and the family reshuffle.
- Index Fungorum: the formal nomenclature record.
- Proc. Royal Society B (2026): the African wild-relative study.
Common questions
Frequently asked
Yes, for microscopy and study. A dormant spore carries no psilocybin or psilocin, so the spores themselves are not a controlled substance in the UK. We supply them strictly for microscopy, taxonomy and collecting, never for cultivation.
No, by every reliable description. Despite an 'albino hybrid' claim floating around online, Nezuko is reported with golden-brown caps and an ordinary dark print. It is a plain pigmented Psilocybe cubensis, not a white or pale line.
The name is community lore, borrowed from Nezuko Kamado in the anime Demon Slayer. The line itself is most consistently described as a MagicMyco isolation of a Thai mushroom called Namuang, said to be brought round by a grower known as Doma. The documented history is thin, so treat the backstory as lore rather than established fact.
Standard cubensis spores: smooth, oval to subellipsoid, thick-walled, pale amber alone and dark in mass, each with a flattened germ pore at one end. Find them at 100x, study at 400x, and get the wall crisp at 1000x under oil immersion.
Either works. The print keeps for years on a shelf and is the better archive choice; the syringe gets you to the microscope sooner. Note that some who handle this line describe it as a lighter depositor than the heaviest cubes, so if you want a dense print, choose a generous one and store it cool, dark and dry.
Ask the community
Questions and answers
No questions yet. Yours could be the first.
For microscopy, taxonomy and collecting only.Sold for legal research. Not for cultivation. Spores contain no controlled substances. We trust you to be responsible.