Oryzias
Oryzias is a genus with 40 species in this atlas, catalogued in the Ricefish & Medaka section, recorded from Indonesia, Laos, Thailand and 11 more countries. Adult sizes run from 0.5 in to 3 in. Every species below links to a full researched profile.
- Species in atlas
- 40
- Adult sizes
- 0.5–3 in
- IUCN assessed
- 40 of 40 · 7 threatened
- Recorded from
- 14 countries
IUCN Red List: Critically Endangered · 3 Endangered · 3 Vulnerable · 1 Near Threatened · 8 Least Concern · 9 Data Deficient · 6 Not Evaluated · 10
The 40 species
Every Oryzias recorded in this atlas. Each card links to a full researched profile — distribution, water parameters, and aquarium care, cited to primary sources.
Gani, Suhendra, Herder, Schwarzer, Möhring, Montenegro, Herjayanto & Mokodongan, 2022
2 in SL · NE
Utama & Yamahira in Utama, Mandagi, Lawelle, Masengi, Watanabe, Sawada et al., 2022
1.5 in SL · NE
Kobayashi, Mokodongan & Yamahira in Kobayashi, Mokodongan, Horoiwa, Fujimoto, Tanaka et al., 2023
1.5 in SL · NE
Utama, Mokodongan & Yamahira in Utama, Mokodongan, Lawelle, Masengi & Yamahira, 2024
1 in SL · NE
Möhring, Mokodongan & Herder in Möhring, Mokodongan, Gani, Wowor, Annawaty, Böhne & Herder, 2025
2 in SL · NE
Explore further
Aquarist Atlas (2026). Genus Oryzias. Aquarist Atlas. https://www.aquaristatlas.com/oryzias/