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regular slime guy

@regularslimeguy.bsky.social

154 Following913 Followers

amateur slime mold enthusiast

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@regularslimeguy.bsky.socialSep 25, 2026, 5:08 PM

This photo depicts fruit bodies which have been dehisced for hours or maybe even days. There are relatively few spores still present. Below is a video of a similar species showing "the exact moment" in question (video by instagram.com/yeweijun98)

@regularslimeguy.bsky.socialSep 23, 2026, 7:18 PM

1 log 2 chitin enthusiasts 3 sporulators 4 kingdoms

@regularslimeguy.bsky.socialSep 15, 2026, 4:26 PM

It's certainly IS a word no matter what woogles says, but you might want to unlearn the taxonomic concept

@regularslimeguy.bsky.socialSep 15, 2026, 4:23 PM

It is an invalid evolutionary grouping, however

@regularslimeguy.bsky.socialSep 15, 2026, 3:55 PM

This is not a fungus actually! Slime molds are huge unwalled mobile single cells that digest live prey internally. Fungi are immobile, walled, multicellular decomposers. Many are toxic or pathogenic. They are more closely related to animals! Both produce spores, but so do moss, kelp, myxozoa, etc

@regularslimeguy.bsky.socialSep 14, 2026, 11:58 PM

This one is full of tiny bones

Leocarpus fragilis by Alain MichaudLeocarpus fragilis by Alain MichaudLeocarpus fragilis by Alain MichaudLeocarpus fragilis by Carlos de Mier
@regularslimeguy.bsky.socialSep 14, 2026, 11:10 PM

I write music about slime molds so I have personal experience with this tension! 😅 Taxonomy is intrinsically subjective & thus malleable in grouping, naming, & describing. But the intention is always to represent evolutionary groups. IMO it is possible to stretch & reframe without discarding this

@regularslimeguy.bsky.socialSep 14, 2026, 10:50 PM

I envy you right now. You're about to hear about some of the weirdest freaks on the tree of life for the very first time

Sorogena is a ciliate "slime mold" - when food is scarce, they aggregate into a group that transforms into a multicellular fruit body. Image from Bardele et al, 1991: https://doi.org/10.1111/j.1550-7408.1991.tb04785.xAmoebophrya is a dinozoan that infects other dinozoans. Inside the nucleus of its prey, it transforms into a multicellular worm with cilia lining an internal cavity. Then it bursts out by turning its entire body inside out and swimming away with its cilia, now facing outward. Image from Chen et al 2017: https://doi.org/10.1111/jeu.12489Haplozoon is a parasite of polychaete worms with whole bunch of cells! Image from "Ultrastructure of tapeworm-like parasites in marine dinoflagellates (Haplozoon)" by Phil Angel, from 2019: https://doi.org/10.14288/1.0380869Various multicellular Harosans. Image from a highly recommended paper: "Diversity of ‘simple’ multicellular eukaryotes: 45 independent cases and six types of multicellularity," by Łukasz Lamża, from 2023: https://doi.org/10.14288/1.0380869
@regularslimeguy.bsky.socialSep 14, 2026, 10:14 PM

The only testable approach is evolutionary history determined by morphological & molecular data, the former being subordinate to the latter. IMO "Protista" is as useful as sorting Bacteria, Archaea, & Fungi into the Plant kingdom: more compact, historically popular, scientifically meaningless

@regularslimeguy.bsky.socialSep 14, 2026, 9:55 PM

I am happy to discuss this forever or until you become bored, whichever happens first. I have no interest in changing your mind or your behavior, I just like to talk about this stuff. I'm happy to change my own mind or no one's mind. I argue as a process of learning

@regularslimeguy.bsky.socialSep 14, 2026, 9:52 PM

Lets ignore prokaryotes for now Animals Fungi Plants Protista Misleading, internally inconsistent Animals Fungi Amoebozoans (slime molds) Plants Harosans (kelp) Discobans (euglenid algae) Each kingdom genetically distinct w/ has unique traits. You may rename, divide, & combine as needed

@regularslimeguy.bsky.socialSep 14, 2026, 4:23 PM

Ah, I see. That is actually another fungus. Maybe a mucoromycete.

@regularslimeguy.bsky.socialSep 14, 2026, 4:19 PM

Protista isn't a useful category genetically, morphologically, or ecologically. Protists aren't related and they aren't similar. Nearly all eukaryotic life is found on 6 branches, including 100% of the multicellular & macroscopic species, and these branches (or kingdoms) each have unique features

@regularslimeguy.bsky.socialSep 14, 2026, 4:09 PM

Where is the slime mold

@regularslimeguy.bsky.socialSep 13, 2026, 11:43 PM

During the fruiting process, wolf milk pumps out water through a series of tubes. The water exits the spore mass & evaporates, leaving various oils, crystals, & pigments inside those little bumps. The shape, orientation, & contents of the bumps are specific to each species, & there are more than 50!

Lycogala aggregatum has masses of small oil droplets in its dark irregular overlapping vesicles (aka bumps or pockets) (from Leontyev et al, 2023: https://doi.org/10.1080/00275514.2023.2199109)Lycogala botrydium has large oil droplets in its dark irregular overlapping pockets (Leontyev et al, 2023: from https://doi.org/10.1080/00275514.2023.2199109)Lycogala caviaroides has large irregular crystals inside its distinct polygonal orange pockets (from Leontyev et al, 2023: https://doi.org/10.1080/00275514.2023.2199109)Lycogala epidendrum has no oil or large crystals in its large irregular overlapping pockets. The pockets are accentuated with dried slime, & some have small needle-like crystals inside. H, J, & K are the tubes that pump out the water (from Leontyev et al, 2023: https://doi.org/10.1080/00275514.2023.2199109)
@regularslimeguy.bsky.socialSep 13, 2026, 6:55 PM

No apology is necessary, it is a widely repeated misconception. Slime molds are actually quite unlike fungi despite many people's assumptions, & less closely related to fungi than we are. In many ways slime molds are more similar to animals, & in other ways they are an entirely unique kingdom

@regularslimeguy.bsky.socialSep 13, 2026, 5:48 PM

The yellow bits are nearly 100% calcium carbonate, & the lighter coloring may be as well

@regularslimeguy.bsky.socialSep 13, 2026, 5:44 PM

The stalks may be visible here & would have been more obvious in person

@regularslimeguy.bsky.socialSep 13, 2026, 5:41 PM

It does look like Stemonitis splendens. But could it be the fungus Inonotus rickii? I've been fooled before (see pic 1 below). The easiest way to tell is to look for thin black stalks at the base (see pic 2). I can't tell for sure, looking at your photos. They are sometimes very tiny & short

Inonotus rickii by kimsr22 (iNaturalist)Stemonitis by greenmountainparrot (reddit)
@regularslimeguy.bsky.socialSep 13, 2026, 4:55 PM

This article incorrectly states that slime molds consume dead plant matter. They do not. They eat live microbes (& in a few unusual cases, macro fungi). They are not decomposers.

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