Beginner – IntermediateBlack Arrow Royal Tetra
Inpaichthys luizae
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 20 US gal (75 L) or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–79°F (22–26°C)
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateBristlenose Plecostomus
Ancistrus cirrhosus
- Adult size
- 3.9–5.1" (10–13 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–81°F (22–27°C)
BeginnerCherry Barb
Puntius titteya
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 70–79°F (21–26°C)
IntermediateCockatoo Dwarf Cichlid
Apistogramma cacatuoides
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 40 US gal (150 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–81°F (24–27°C)
IntermediateCommon Otocinclus
Otocinclus vittatus
- Adult size
- 1.2–1.6" (3–4 cm)
- Aquarium size
- 20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 70–79°F (21–26°C)
Beginner – IntermediateEmber Tetra
Hyphessobrycon amandae
- Adult size
- 0.8–1" (2–2.5 cm)
- Aquarium size
- 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 72–82°F (22–28°C)
BeginnerGinga Rubra Guppy
Poecilia reticulata
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Temp
- 64–84°F (18–29°C)
Beginner – IntermediateGreen Neon Tetra
Paracheirodon simulans
- Adult size
- ≤ 1" (≤ 2.5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 15.7" (≥ 40 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–82°F (23–28°C)
Beginner – IntermediateHarlequin Rasbora
Trigonostigma heteromorpha
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–82°F (22–28°C)
IntermediateKuhli Loach
Pangio kuhlii
- Adult size
- 3.1–4.7" (8–12 cm)
- Aquarium size
- 20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 75–84°F (24–29°C)
Beginner – IntermediateNeon Tetra
Paracheirodon innesi
- Adult size
- 1.2–1.6" (3–4 cm)
- Aquarium size
- 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 70–79°F (21–26°C)
Beginner – IntermediatePeppered Corydoras
Hoplisoma paleatum
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 63–79°F (17–26°C)
Beginner – IntermediatePowder Blue Dwarf Gourami
Trichogaster lalius
- Adult size
- ≤ 3" (≤ 7.5 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Temp
- 72–81°F (22–27°C)
IntermediateRummy-nose Tetra
Petitella rhodostoma
- Adult size
- 1.6–2" (4–5 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 75–82°F (24–28°C)
Beginner – IntermediateSiamese Fighting Fish
Betta splendens
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 11 US gal (41 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Top swimmer
- Temp
- 75–81°F (24–27°C)
BeginnerZebra Danio
Brachydanio rerio
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 63–73°F (17–23°C)
Beginner – IntermediateAdolfos Catfish
Hoplisoma adolfoi
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
IntermediateAdonis Tetra
Lepidarchus adonis
- Adult size
- ≤ 0.8" (≤ 2 cm)
- Aquarium size
- 12 US gal (45 L) or larger / ≥ 15.7" (≥ 40 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 70–79°F (21–26°C)
Beginner – IntermediateAfrican Banded Barb
Barbus fasciolatus
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 70–79°F (21–26°C)
Beginner – IntermediateAfrican Butterfly Cichlid
Anomalochromis thomasi
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 72–79°F (22–26°C)
Beginner – IntermediateAfrican Copper Ribbon Tetra
Rhabdalestes septentrionalis
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 20 US gal (75 L) or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–82°F (22–28°C)
Intermediate – AdvancedAfrican Freshwater Pipefish
Enneacampus ansorgii
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 35 US gal (132 L) or larger / ≥ 35.8" (≥ 91 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 73–81°F (23–27°C)
Intermediate – AdvancedAfrican Glass Catfish
Pareutropius debauwi
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 72–81°F (22–27°C)
Beginner – IntermediateAfrican Moon Tetra
Bathyaethiops caudomaculatus
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 63 US gal (240 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 72–77°F (22–25°C)