Saturnine is a bioluminescent fungoid found in Tallon IV's darker regions. It is not dangerous to any known organisms, but is known for its beautiful blue glow. Small buzzing green insects can be seen near Saturnine, if examined closely.
Largely overgrown Saturnines can be seen in the deeper caverns of the Phazon Mines, bloated in size due to exposure to Phazon ore. Scanning them states that they have increased in size by 400%. Samus can use them as platforms. Matter from these overgrown Saturnines were used in Elite Nutrient Mix.
Metroid Prime scans
Small iridescent mushroom. Typically grow in dank, dark regions.
- "Size increase of 400% indicated in fungal unit."
- "Infusion of Phazon into local fungi is proceeding. This program has produced a cheap, viable ration for many of our Phazon-enhanced units on Tallon IV. A mass-production program has been authorized."
- "Fungal invigoration fluid processing levels normal."
- Saturnines somewhat resemble the real-world mushroom species Lactarius indigo.
- The mushrooms in the background of the mining levels of Donkey Kong Country Returns may be a reference to Saturnines.
- The Saturnines share their name with a race of vampiric, fish-like arthropods from the sci-fi drama Doctor Who.