DAY 270
SPECIES 270 - Thermogladius calderae
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek, HWC & QoR watercolor, Tombow pencil
T. calderae is an archaeon species that requires an oxygen free environment. It was isolated from a hot spring in Uzon Caldera, Kamchatka Russia
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Yeah it does look like a sliced fruit doesn't it! 😆
01.03.2026 21:32 — 👍 1 🔁 0 💬 0 📌 0
DAY 269
SPECIES 269 - Pyrodictium delaneyi
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek watercolor, Sakura pen, Tombow pencil
Pyrodictium delaneyi is a heat loving archaeon isolated from a deep sea black smoker chimney vent at a depth of 2200m
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Absolutely! Feel free to ask anytime, and I'll try my best to answer.
28.02.2026 13:44 — 👍 0 🔁 0 💬 0 📌 0Hyperthermophilic just means it lives in extremely hot environments like hydrothermal vents and hot springs. This species is an archaeon, which look like bacteria, but are a very different and distinct.
28.02.2026 12:31 — 👍 1 🔁 0 💬 1 📌 0You bet! It's Latin name Hyperthermus butylicus translates to heat loving organism that produces butanol, a type of alcohol that's a byproduct of its metabolism.
28.02.2026 12:30 — 👍 1 🔁 0 💬 1 📌 0
DAY 268
SPECIES 268 - Hyperthermus butylicus
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek & HWC watercolor, Tombow pencil
H. butylicus is an hyperthermophilic archaeon found on the sea floor near the coast of the island São Miguel, Azores, Portugal.
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P. japonicus is a hyperthermophilic archaeon isolated from a deep sea hydrothermal vent in the Okinawa Trough, Japan
27.02.2026 07:14 — 👍 4 🔁 0 💬 0 📌 0
DAY 267
SPECIES 267 - Pyrofollis japonicus
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek & QoR watercolor, Sakura pen
NOTES: Didn't have a plan with this one, so I kept layering until I was happy.
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Love this!
26.02.2026 08:40 — 👍 1 🔁 0 💬 0 📌 0
DAY 266
SPECIES 266 - Caldisphaera lagunensis
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek, HWC & QoR watercolor
C. lagunensis is a thermoacidophilic, anaerobic archaeon isolated from acidic hot springs at Mt. Maquiling in the Philippines
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It's very bird!
26.02.2026 06:02 — 👍 1 🔁 0 💬 0 📌 0
DAY 265
SPECIES 265 - Acidilobus saccharovorans
STAGE: Archaea
MEDIUM: Arches Paper, Chromatek & QoR watercolor, Sakura pen
A. Saccharovorans is an archaeon isolated from acidic hot springs in Kamchatka Russia. It's coccoid shaped with a bundle of archaella for mobility
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DAY 264
SPECIES 264 - Infirmifilum uzonense
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek & HWC watercolor. Sakura pen
I. uzonense is a hyperthermophilic, anaerobic, and organoheterotrophic archaeon. It was isolated from gray-white mud pits in Uzon Caldera, Kamchatka
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It was first identified at Obsidian Pool in Yellowstone National Park in 2008.
23.02.2026 07:37 — 👍 3 🔁 0 💬 0 📌 0
DAY 263
SPECIES 263 - Ca. Korarchaeum cryptofilum
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek watercolor. Sakura pen
Ca. K. cryptofilum is a species of archaeon with ultra thin and very long filaments
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DAY 262
SPECIES 262 - Tardisphaera saccharovorans
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek & QoR watercolor
NOTES: I like using the pen, but I wanted to stick solely to watercolor on this one.
T. saccharovorans is a species of thermoacidophilic, anaerobic archaea found in geothermal springs.
Ca. Cenarchaeum symbiosum is a marine archaeon that lives in a symbiotic relationship with the sponge Dragmacidon mexicanum, primarily off the coast of California.
21.02.2026 10:27 — 👍 2 🔁 0 💬 0 📌 0
DAY 261
SPECIES 261 - Ca. Cenarchaeum symbiosum
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek, HWC & QoR watercolor. Sakura pen.
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🤣🤣🤣
21.02.2026 01:18 — 👍 1 🔁 0 💬 0 📌 0
DAY 260
SPECIES 260 - Ca. Nitrosotenuis aquarius
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek & QoR watercolor. Sakura pen. Tombow colored pencil
Ca. N. aquarius is a rod shaped, ammonia oxidizing archaeon isolated from freshwater aquarium biofilters
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Thanks, the rippled ones are always soooo challenging!
19.02.2026 20:14 — 👍 1 🔁 0 💬 0 📌 0
DAY 259
SPECIES 259 - Nitrosopumilus zosterae
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek watercolor. Sakura pen
N. zosterae is a species of autotrophic, ammonia oxidizing archaea. Isolated from sediments near eelgrass in Tanoura Bay, Shizuoka Prefecture, Japan
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Nitrosarchaeum haohaiensis is a very recently described species in 2025. Its a marine ammonia-oxidizing archaeon isolated from Yangshan Harbour in the East China Sea
18.02.2026 07:32 — 👍 4 🔁 0 💬 0 📌 0
DAY 258
SPECIES 258 - Nitrosarchaeum haohaiensis
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek watercolor. Sakura pen
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Ca. N. exaquare is a coccoid, ammonia oxidizing archaeon. It was isolated from a municipal wastewater treatment plant in Ontario Canada.
17.02.2026 07:22 — 👍 3 🔁 0 💬 0 📌 0
DAY 257
SPECIES 257 - Ca. Nitrosocosmicus exaquare
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek, QoR & DS watercolor. Sakura pen
NOTES: This QoR Green-Gold is one of my favorite colors to use. 😄
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Increasing Arctic temperatures may significantly boost its nitrification activity.
16.02.2026 07:25 — 👍 4 🔁 0 💬 0 📌 0
DAY 256
SPECIES 256 - Ca. Nitrosocosmicus arcticus
STAGE: Archaea
MEDIUM: Arches Paper. Chromatek & HWC watercolor. Sakura pen. Tombow colored pencil
Ca. N. arcticus is an ammonia oxidizing archaeon isolated from Arctic mineral soil in Svalbard Norway.
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