Species Library — All Species
| Species | Adult size | Temperament | Min tank | Care | Accuracy |
|---|---|---|---|---|---|
| OB Peacock Cichlid Aulonocara hybrid | 10–12 cm | Semi aggressive | 250 L | Moderate | Verified |
| Ocellatus Shell Dweller Neolamprologus ocellatus | 4–6 cm | Semi aggressive | 70 L | Moderate | Verified |
| Odessa Barb Pethia padamya | 5–7 cm | Semi aggressive | 100 L | Easy | Verified |
| Odessa Barb Gold Variant Pethia padamya (domestic Gold form) | 5–7 cm | Semi aggressive | 90 L | Easy | Verified |
| Orange Chromide Pseudetroplus maculatus | 7–9.5 cm | Peaceful | 150 L | Moderate | Verified |
| Orange Laser Corydoras Osteogaster sp. CW010 | 5–6 cm | Peaceful | 80 L | Moderate | Verified |
| Orange-Finned Danio Danio kyathit | 4–5 cm | Peaceful | 90 L | Easy | Verified |
| Oscar Astronotus ocellatus | 25–35 cm | Semi aggressive | 450 L | Moderate | Verified |
| Oscar Tiger Variant Astronotus ocellatus (domestic Tiger form) | 25–35 cm | Semi aggressive | 450 L | Moderate | Verified |
| Otocinclus Otocinclus sp. | 3–4.5 cm | Peaceful | 70 L | Moderate | Verified |
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