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The previous version of this atlas was "In the shrimp tank, there are bugs! 25 common shrimp tank aquatic organisms", which was prepared with the help of experts and aquarists in various fields for several months, and finally compiled into this article, recording common native aquatic organisms when raising ornamental fish and ornamental shrimp.
Due to the increasing number of images, the atlas was updated in November 2022, initially displayed as thumbnails, which can be viewed in more detail by clicking on them, making it easier to compare and read. The atlas will periodically add text content, photos, and videos, and welcomes any omissions or incorrect markings to be notified.
Aquarium Microorganism Atlas
Daphnia
Daphnia
Cyclops
Cyclops
Cyclops (Female)
Cyclops (Female)
Ostracod
Ostracod
Brown Hydra
Brown Hydra
Green Hydra
Green Hydra
Bryozoan
Bryozoan
Tardigrade
Tardigrade
Planarian
Planarian
Planarian
Planarian
Planarian
Planarian
Planarian
Planarian
Headless Planarian
Headless Planarian
Glossiphoniid Leech
Glossiphoniid Leech
Fish Louse
Fish Louse
Shrimp Leech (Leech Worm)
Shrimp Leech (Leech Worm)
Rotifer
Rotifer
Paramecium
Paramecium
Flagellate
Flagellate
Nematode
Nematode
Naidid Worm
Naidid Worm
Tubifex Worm (Red Worm)
Tubifex Worm (Red Worm)
Chironomid Larva
Chironomid Larva
Chironomid Larva (Red Worm)
Chironomid Larva (Red Worm)
Mosquito Larva
Mosquito Larva
Flat Snail
Flat Snail
Freshwater Limpet (Limpet)
Freshwater Limpet (Limpet)
Bladder Snail
Bladder Snail
Dragonfly Nymph
Dragonfly Nymph
Dragonfly Nymph
Dragonfly Nymph
Diving Beetle
Diving Beetle
Water Beetle
Water Beetle
Water Beetle Larva
Water Beetle Larva
Water Mite
Water Mite
Water Mite
Water Mite
Water Mite
Water Mite
Water Mite
Water Mite
Water Bug
Water Bug
Amphipod
Amphipod
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Acknowledgements and Recent Updates
Sunday, November 2, 2025
Displaying microscopic photos of aquatic microorganisms.
Saturday, October 25, 2025
Data moved to this website for version update.
Sunday, December 24, 2022
Thank you Charlie Jackson for providing photos of bryozoans. Thank you Melosira Chou for providing photos of bryozoans.
Sunday, December 11, 2022
Thank you Line community "Raising Shrimp, Snail, Crab: Discussion and Sharing of Cultivation" shrimp friend Tainan Small Stone for providing photos of bryozoans.
Thursday, December 1, 2022
Thank you Facebook community Amateur Microscopy member Jacek Mysłowski for agreeing to use a large number of microscopic photos for non-commercial educational purposes.
Sunday, October 16, 2022
Thank you Facebook community "Aquatic Plant Free Delivery - Negative Aquatic Plant Chat" member Wenson Kuo for providing videos of ostracods.
Tuesday, October 11, 2022
Thank you Line community "Raising Shrimp, Snail, Crab: Discussion and Sharing of Cultivation" shrimp friend Xiaoyu-Miaoli for providing photos of water bugs.
Tuesday, October 11, 2022
Thank you Line community "Raising Shrimp, Snail, Crab: Discussion and Sharing of Cultivation" shrimp friend Jason Xinbei for providing photos of water mites.
Wednesday, October 5, 2022
Thank you Science Maker community member Huang Yijie for providing photos of planarians.
Thursday, March 17, 2022
Thank you Ching-pei Hung for providing photos of paramecia.
Monday, January 17, 2022
Thank you shrimp friend Xu Xiangfu for providing "headless planarian". Thank you Science Maker community member Bartholomew Tsang for assisting in identifying the headless planarian.
Friday, December 24, 2021
Thank you Science Maker Aquarium Laboratory community member Gong Tingru for providing photos of freshwater limpets (planorbidae).
Friday, December 17, 2021
Thank you "Aquarium Ornamental Fish Problem Discussion (No Commercial Advertising Allowed)" community member Cai Yongxin for providing photos of freshwater limpets (planorbidae).
Wednesday, December 1, 2021
Thank you Scimage Mobile Microscope community member Tian Peilin for providing photos and videos of mosquito larvae and red chironomid larvae.
Wednesday, December 1, 2021
Thank you Facebook page "Dragonfly Market Names" for agreeing to use poster images of gomphidae and all dragonfly nymphs.
Sunday, November 28, 2021
Thank you Science Maker Rotifer Laboratory moderator Wang Xiaofa for providing hand-drawn illustrations of rotifers.
Sunday, November 28, 2021
Thank you shrimp friend Huang Honghui for providing photos and videos of shrimp leeches.
Friday, November 26, 2021
Thank you Lai Yide, author of "Common Earthworms and Leeches of Taiwan Field Guide", for providing assistance with leech-related information.
Tuesday, October 26, 2021
Thank you Liu Xingzhe, operator of "Aquatic Insects of Taiwan" field guide, for agreeing to use diving beetle photos and providing assistance with diving beetle and water beetle information.
Friday, October 22, 2021
Thank you Hei Xiaoxin, member of Taiwan Freshwater Microorganisms Club and Science Maker Rotifer Laboratory, for assisting in identifying bdelloid rotifers.
Thursday, October 14, 2021
Thank you Mic Li, member of "Planted Aquariums, Shrimp, and Nano Fish", for providing hydra predation footage.
Tuesday, September 28, 2021
Thank you Ching-pei Hung for assisting in identifying chironomid larvae.
Friday, September 24, 2021
Thank you Lred Chen from Hongaqualab - Shrimp Research Laboratory, for providing hydra and glossiphoniid leech photos, and for discussing various breeding challenges.
Tuesday, August 17, 2021
Thank you Science Maker community member Prohamer Liao for assisting in identifying naidid worms.