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Plankton

Plankton are organisms, of all sizes, that are unable to propel themselves and therefore drift through the air, space, water, or any other liquid or gas. They typically make up the foundations of marine and cosmic ecosystems. An individual plankton is referred to as a plankter.

Plankton is classified by its size, its habitat, and its magical makeup.

Classification by Habitat

Aeroplankton by Mochi
Aeroplankton

Amassing in the skies in their trillions is aeroplankton. Plankton are microscopic lifeforms, so small they cannot propel themselves against currents, be it water, wind, or magic.

Aeroplankton is present on pretty much any planet, floating in the atmosphere while life carries on as normal. On a handful, aeroplankton is a serious issue.

Planktonic storms are the result of an atmosphere dense with aeroplankton. A single storm can kill millions of organisms, by clogging the respiratory system.

The composition of aeroplankton varies by planet, depending on what other organisms exist. Fungi and plant spores, small organisms such as polyps or tiny invertebrates, bacteria, protists, mosses, algaes, may all be aeroplankton.

Cosmoplankton

In the depths of space, cosmoplankton is almost always the only available food source. The most common method of feeding is filtration, creatures of gigantic proportions designed to take in tonnes upon tonnes of cosmoplankton.

The makeup of cosmoplankton is highly regional. Certain bacteria, protists, microscopic larva and spores may only be found around certain planets or solar systems. The Greater Oasis is known for its high spore count, with diseases like spacespores more common in these areas.

Pyroplankton

Pyroplankton is a collection of miniscule organisms found in deeper waters on some planets. The organisms are laced with pyromagis, a special type of magis found rarely in environments, and even rarer in organisms. Pyroplankton form when plankton/zooplankton, pyromagis and extreme depths all collide. The deeper the plankton exist, the stronger effect the pyromagis has on the plankton, which aligns with the distance from the core of the planet.

The size of the planet will affect where pyroplankton is present: on Osao, this plankton can be found anywhere deeper than three hundred metres deep, while on Masacauro, pyroplankton is found only on the ocean beds. The more pyroplankton that is present in the water, the more it heats up said water. The Mesopelagic Zone on Osao is known for being warmer than the Epipelagic Zone above it.

Geographic Distribution

Related Articles

Aeroplankton
Fauna | Aug 21, 2025

Floating in the atmosphere are microscopic organisms known as aeroplankton.

Cosmoplankton
Fauna | Sep 28, 2025

Space plankton. Cosmoplankton is the basis of every food web in space.

Pyroplankton
Fauna | Apr 5, 2026

A rare form of plankton found in deep oceans on some planets.

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Atlas
Aecotia Aerawich · Apalous Desert · Arid Flatlands · Ink Kingdom · Inky Isles
Ecela Coral Desert · Ecela Plains · Elder Tentacle Tree · Fic Saca · Sakara (Head Legional Mansion · Sakara Birdwatching University · Sakara Fishing Platform · Seaslime's Whart)
Eudan Apalous Vein · Blue Plateau · Coral Mountain · Dove's Tail Desert · Dove's Wing Desert · Eccentric Meadows · Eudan Sea · Forest of Beauty · Gala Reien · Marsh Forest · Mavini · Sparkling Sodalands (Sour Lake)
Uaelor Blubber Dun · Burning Slopes · Carrot Lands · Epithelial Rhym · North Uaelor Coralspikes · Nylis Meadows · South Uaelor Coralspikes · Uaelor Red Desert · Xexiala
Unuth Dark Umbrella Forest · Dragon Forest · East Unuth Coralspikes · Teal Umbrella Forest · Unuth Glitter Forest · Unuth Orange Desert · Unuth Red Desert · Zcarazas Plains

  Carawin Trench · Epystal Islands · Osao Ocean · Pelican Isles · Xivin
Peoples
CharactersBoner · Lunar Grove · Manara Matara · Slippa Bob · Solotolo Soosoo
CuisineFerrous Banana Tart
OrganisationsBooty Cruises · Ephenic Empire · Osao Space Legion · Osaoan Wildlife Preservation Society
ProfessionsHex Queen · Slime Generator
Ethnicities & GroupsSparkling Slimes
Cultural PracticesHex Queen Ceremony · Slimeball · Slime's First Birthday

  Slime Culture
Knowledge
Conditions & AfflictionsAephaestaemalaesiea · Bloating · Duochromatica · Excess Slime Production · Goldcap · Slime Rot
Historical EventsOsao's Exploration into Greater Kurhira
DocumentsBird Watcher's Journal · Epystal Islands Native Wildlife Protection Act 1008 · Ink Kingdom Environment Act 646 · Top Universities in Osao
PhenomenaPink Hailstorm
Items & ArtifactsCurrencies (Irunat · Pijhi Popp) · Banana Hammer · Lava Cream
Materials & ResourcesSeastone
Science & TechnologyBooty Cruise Ship
Biota Ecology of the Dragon Forest · Slime · Sea Slugs of Osao · State Birds of Osao
 
FaunaAzure Pelican · Bapycara · Benthic Rainbow Worm · Bulkhead Dolphinfish · Cottonball Cottonball · Death Pig · Echinops · Faintwing · Firecracker · Firehead · Gelletti's Penguin · Glossy Holehead · Gold-Crested Crow · Gongdu · Lace-Fingered Brittle Star · Lemonwing · Nasanaleiidae · Pale Catfish · Palm Glider · Rainbow Worm · Shiverfish · Shurtle · Urchinfish
FloraCaraweed · Lavaweed · Purple Banana Tree · Shedding Wig · Tangle Fern · Wigglejiggle
FungiRed Waxcap
Misc. Osao Art Gallery · Osao Calendar

 


Cover image: by Mochi

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