Beginner – IntermediateBlack Venezuela Corydoras
Corydoras schultzei
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–27 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateBlack-Bellied Limia
Limia melanogaster
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediateBlack-belt Tetra
Hemigrammus kuroobi
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 24–28 °C
Intermediate – AdvancedBlack-winged Hatchetfish
Carnegiella marthae
- Adult size
- up to 3.5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 20–28 °C
IntermediateBlackberry Silver Dollar
Myloplus schomburgkii
- Adult size
- up to 40 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Beginner – IntermediateBlackfin Pearl Killifish
Austrolebias nigripinnis
- Adult size
- up to 5 cm
- Aquarium size
- 120 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 17–23 °C
Beginner – IntermediateBlackline Tail Tetra
Moenkhausia costae
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
IntermediateBlacknose Butterfly Barb
Enteromius candens
- Adult size
- up to 3 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 24–26 °C
Beginner – IntermediateBlackstripe Corydoras
Corydoras bondi
- Adult size
- up to 5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediateBlacktop Corydoras
Corydoras acutus
- Adult size
- up to 5.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 21.7–27.8 °C
Beginner – IntermediateBleeding Blue Tetra
Hyphessobrycon margitae
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediateBleeding Heart Tetra
Hyphessobrycon erythrostigma
- Adult size
- up to 8 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateBlood Tailed Danio
Devario annandalei
- Adult size
- up to 10 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 21–26 °C
BeginnerBloodfin Tetra
Aphyocharax anisitsi
- Adult size
- up to 5.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 17–27 °C
IntermediateBlue Botia
Yasuhikotakia modesta
- Adult size
- up to 18 cm
- Aquarium size
- 240 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 22–30 °C
Beginner – IntermediateBlue Cheek Dwarf Cichlid
Apistogramma eunotus
- Adult size
- up to 5.5 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 23–29 °C
Beginner – IntermediateBlue Danio
Danio kerri
- Adult size
- up to 4.5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–25 °C
IntermediateBlue Diamond Tetra
Alestopetersius smykalai
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
IntermediateBlue Dolphin Cichlid
Cyrtocara moorii
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 23–28 °C
Beginner – IntermediateBlue Eyed Congo Tetra
Phenacogrammus aurantiacus
- Adult size
- up to 10 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
Intermediate – AdvancedBlue Eyed Plecostomus
Panaque cochliodon
- Adult size
- up to 30 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–28 °C
Beginner – IntermediateBlue Fin Hillstream Loach
Gastromyzon aeroides
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–24 °C
Beginner – IntermediateBlue Flash Glass Tetra
Heterocharax vigulatus
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediateBlue Moon Danio
Devario xyrops
- Adult size
- up to 8 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 18–26 °C
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