Species Library — All Species
| Species | Adult size | Temperament | Min tank | Care | Accuracy |
|---|---|---|---|---|---|
| Madagascar Rainbowfish Bedotia madagascariensis | 8–10 cm | Peaceful | 240 L | Moderate | Verified |
| Malaysian Trumpet Snail Melanoides tuberculata | 2–3 cm | Peaceful | 20 L | Easy | Verified |
| Marbled Hatchetfish Carnegiella strigata | 3–4 cm | Peaceful | 80 L | Moderate | Verified |
| Mascara Barb Dawkinsia assimilis | 10–12 cm | Semi aggressive | 240 L | Moderate | Verified |
| Mbu Puffer Tetraodon mbu | 60–70 cm | Aggressive | 2,500 L | Hard | Verified |
| McCullochs Rainbowfish Melanotaenia maccullochi | 6–8 cm | Peaceful | 120 L | Moderate | Verified |
| Merry Widow Livebearer Phallichthys amates | 4–6 cm | Peaceful | 60 L | Easy | Verified |
| Mono Argentus Monodactylus argenteus | 20–27 cm | Peaceful | 650 L | Hard | Verified |
| Moonlight Gourami Trichopodus microlepis | 12–15 cm | Semi aggressive | 250 L | Easy | Verified |
| Moth Catfish Erethistes hara | 10–13 cm | Peaceful | 150 L | Moderate | Verified |
| Mystery Snail Pomacea diffusa | 4–6 cm | Peaceful | 40 L | Easy | Verified |
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