Uploaded March 2026 | Updated September 2026, 3 weeks ago

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Some of my favorite fish I've kept through the years that don't need a heater.
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00:00 - Introduction to Cold Water Fish
00:38 - Paradise Fish (The "Unheated Betta")
01:53 - Medaka Rice Fish
03:28 - Cherry Shrimp (Neocaridina)
05:23 - Rosy Barbs
07:21 - Reticulated Hillstream Loach
09:12 - Swordtails
10:27 - Florida Flagfish
12:11 - Endler's Livebearers
13:28 - Red-Tailed Goodeid
15:05 - Leopard Danios (Long Fin)
17:54 - Conclusion & Community Suggestions