Species Library — All Species
| Species | Adult size | Temperament | Min tank | Care | Accuracy |
|---|---|---|---|---|---|
| Jack Dempsey Rocio octofasciata | 15–25 cm | Aggressive | 300 L | Moderate | Verified |
| Jaguar Cichlid Parachromis managuensis | 35–45 cm | Aggressive | 680 L | Hard | Verified |
| Japanese Ricefish Oryzias latipes | 3–4 cm | Peaceful | 50 L | Easy | Verified |
| Jardini Arowana Scleropages jardinii | 60–100 cm | Aggressive | 2,000 L | Hard | Verified |
| Jewel Cichlid Rubricatochromis lifalili | 8–10 cm | Aggressive | 120 L | Moderate | Verified |
| Julidochromis Marlieri Julidochromis marlieri | 9–13 cm | Semi aggressive | 200 L | Moderate | Verified |
| Julidochromis Regani Julidochromis regani | 10–13 cm | Semi aggressive | 200 L | Moderate | Verified |
| Julidochromis Transcriptus Julidochromis transcriptus | 5–7.5 cm | Semi aggressive | 100 L | Moderate | Verified |
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