| Species | Adult size | Temperament | Min tank | Care | Accuracy |
|---|---|---|---|---|---|
| Calvus Cichlid Altolamprologus calvus | 10–13.5 cm | Semi aggressive | 200 L | Hard | Verified |
| Cardinal Tetra Paracheirodon axelrodi | 3–4 cm | Peaceful | 70 L | Moderate | Verified |
| Caudopunctatus Cichlid Neolamprologus caudopunctatus | 6–7 cm | Semi aggressive | 100 L | Moderate | Verified |
| Celebes Halfbeak Nomorhamphus liemi | 7–9 cm | Semi aggressive | 120 L | Moderate | Verified |
| Celebes Medaka Ricefish Oryzias celebensis | 3–4.5 cm | Peaceful | 60 L | Moderate | Verified |
| Celebes Rainbowfish Marosatherina ladigesi | 6–8 cm | Peaceful | 120 L | Moderate | Verified |
| Celestial Pearl Danio Danio margaritatus | 2–2.5 cm | Peaceful | 45 L | Moderate | Verified |
| Checker Barb Oliotius oligolepis | 4–5 cm | Peaceful | 60 L | Easy | Verified |
| Checkerboard Cichlid Dicrossus filamentosus | 5–9 cm | Peaceful | 100 L | Hard | Verified |
| Cherry Barb Rohanella titteya | 3–5 cm | Peaceful | 60 L | Easy | Verified |
| Cherry Barb Hybrid Puntius hybrid | 3–5 cm | Peaceful | 60 L | Easy | Verified |
| Cherry Shrimp Neocaridina davidi | 2–3 cm | Peaceful | 30 L | Easy | Verified |
| Chili Rasbora Boraras brigittae | 1.8–3.5 cm | Peaceful | 40 L | Moderate | Verified |
| Chinese Algae Eater Gyrinocheilus aymonieri | 20–25 cm | Semi aggressive | 300 L | Moderate | Verified |
| Chocolate Cichlid Hypselecara temporalis | 22–30 cm | Semi aggressive | 450 L | Moderate | Verified |
| Chocolate Gourami Sphaerichthys osphromenoides | 4.5–6 cm | Peaceful | 90 L | Hard | Verified |
| Clown Killifish Epiplatys annulatus | 2.5–3 cm | Peaceful | 40 L | Hard | Verified |
| Clown Loach Chromobotia macracanthus | 20–30.5 cm | Semi aggressive | 650 L | Hard | Verified |
| Clown Pleco Panaqolus maccus | 7–9 cm | Peaceful | 100 L | Easy | Verified |
| Clown Rasbora Rasbora kalochroma | 8–10 cm | Peaceful | 180 L | Moderate | Verified |
| Cochu's Blue Tetra Boehlkea fredcochui | 4–5.5 cm | Peaceful | 80 L | Easy | Verified |
| Common Pleco Pterygoplichthys pardalis | 35–50 cm | Peaceful | 700 L | Hard | Verified |
| Community Livebearer Mix Poecilia / Xiphophorus hybrid | 4–12 cm | Peaceful | 120 L | Easy | Verified |
| Compressiceps Cichlid Altolamprologus compressiceps | 8–13 cm | Semi aggressive | 300 L | Hard | Verified |
| Congo Puffer Tetraodon miurus | 15–18 cm | Aggressive | 120 L | Hard | Verified |