Species Library — All Species
| Species | Adult size | Temperament | Min tank | Care | Accuracy |
|---|---|---|---|---|---|
| Blood Parrot Cichlid Hybrid cichlid | 20–25 cm | Semi aggressive | 650 L | Moderate | Verified |
| Bloodfin Tetra Aphyocharax anisitsi | 4–5 cm | Peaceful | 70 L | Easy | Verified |
| Blue Acara Andinoacara pulcher | 12–16 cm | Semi aggressive | 250 L | Moderate | Verified |
| Blue Acara Hybrid Andinoacara hybrid | 12–16 cm | Semi aggressive | 250 L | Moderate | Verified |
| Blue Axelrodi Rasbora Sundadanio cf. axelrodi "Blue" | 1.5–2.3 cm | Peaceful | 40 L | Hard | Verified |
| Blue Badis Badis badis | 6–8 cm | Semi aggressive | 80 L | Moderate | Verified |
| Blue Danio Danio kerri | 4–5 cm | Peaceful | 75 L | Easy | Verified |
| Blue Dolphin Cichlid Cyrtocara moorii | 15–20 cm | Semi aggressive | 650 L | Moderate | Verified |
| Blue Dream Shrimp Neocaridina davidi | 2–3 cm | Peaceful | 30 L | Easy | Verified |
| Blue Emperor Tetra Inpaichthys kerri | 3.5–4 cm | Peaceful | 70 L | Moderate | Verified |
| Blue Gularis Killifish Fundulopanchax sjoestedti | 10–14 cm | Semi aggressive | 120 L | Moderate | Verified |
| Blue Neon Peacock Aulonocara stuartgranti | 10–12 cm | Semi aggressive | 250 L | Moderate | Verified |
| Boesemani Rainbow Hybrid Melanotaenia spp. hybrid (boesemani-type) | 8–13 cm | Peaceful | 250 L | Moderate | Verified |
| Boesemani Rainbowfish Melanotaenia boesemani | 9–13 cm | Peaceful | 250 L | Easy | Verified |
| Bolivian Ram Mikrogeophagus altispinosus | 5–8 cm | Peaceful | 80 L | Moderate | Verified |
| Brevis Shell Dweller Neolamprologus brevis | 4–6 cm | Semi aggressive | 70 L | Moderate | Verified |
| Brichardi Cichlid Neolamprologus brichardi | 7–10 cm | Semi aggressive | 180 L | Moderate | Verified |
| Brilliant Rasbora Rasbora borapetensis | 4–5 cm | Peaceful | 80 L | Easy | Verified |
| Brilliant Rummy Nose Tetra Petitella bleheri | 3–4 cm | Peaceful | 80 L | Moderate | Verified |
| Bristlenose Pleco Ancistrus sp. | 8–12 cm | Peaceful | 100 L | Easy | Verified |
| Brochis Emerald Catfish Brochis splendens | 8–10 cm | Peaceful | 150 L | Easy | Verified |
| Bronze Corydoras Osteogaster aenea | 5–7.5 cm | Peaceful | 80 L | Easy | Verified |
| Bucktooth Tetra Exodon paradoxus | 7–10 cm | Aggressive | 300 L | Hard | Verified |
| Buenos Aires Tetra Psalidodon anisitsi | 6–8 cm | Semi aggressive | 120 L | Easy | Verified |
| Buenos Aires Tetra Variant Psalidodon anisitsi domestic form | 6–8 cm | Semi aggressive | 120 L | Easy | Verified |
Not sure which fish fit your aquarium?
Find fish for your tank
Enter your tank volume and optional dimensions to browse
verified fish whose minimum aquarium guide fits your setup.