Aquarium Fish Database

Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.

Beginner – Intermediate

Strawberry Leporinus

Leporinus granti

Adult size
≤ 7.9" (≤ 20 cm)
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
68–81°F (20–27°C)
Intermediate

Strawberry Rasbora

Boraras naevus

Adult size
≤ 0.8" (≤ 2 cm)
Aquarium size
11 US gal (41 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
68–81°F (20–27°C)
Beginner – Intermediate

Striped Barb

Desmopuntius johorensis

Adult size
≤ 4.7" (≤ 12 cm)
Aquarium size
64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
72–77°F (22–25°C)
Intermediate

Striped Headstander

Anostomus anostomus

Adult size
≤ 7.9" (≤ 20 cm)
Aquarium size
79 US gal (300 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Peaceful
Zone
Middle swimmer
Temp
72–81°F (22–27°C)
Beginner – Intermediate

Striped Leporinus

Leporinus striatus

Adult size
≤ 5.9" (≤ 15 cm)
Aquarium size
106 US gal (400 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
70–81°F (21–27°C)
Beginner – Intermediate

Striped Raphael Catfish

Platydoras armatulus

Adult size
≤ 9.8" (≤ 25 cm)
Aquarium size
66 US gal (250 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Peaceful
Zone
Bottom dweller
Temp
72–86°F (22–30°C)
Intermediate

Striped Red Eye Pufferfish

Carinotetraodon salivator

Adult size
≤ 2" (≤ 5 cm)
Aquarium size
20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
Temperament
Semi-Aggressive
Temp
73–81°F (23–27°C)
Beginner

Sucking Loach

Gyrinocheilus aymonieri

Adult size
≤ 11" (≤ 28 cm)
Aquarium size
80 US gal (304 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
Temperament
Aggressive
Zone
Bottom dweller
Temp
77–82°F (25–28°C)
Intermediate

Sumo Loach

Schistura balteata

Adult size
≤ 3.1" (≤ 8 cm)
Aquarium size
37 US gal (140 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
Temperament
Semi-Aggressive
Zone
Bottom dweller
Temp
72–79°F (22–26°C)
Intermediate

Sun Catfish

Horabagrus brachysoma

Adult size
≤ 11.8" (≤ 30 cm)
Aquarium size
171 US gal (648 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
Temperament
Peaceful
Zone
Bottom dweller
Temp
73–77°F (23–25°C)
Intermediate

Sunshine Plecostomus

Scobinancistrus aureatus

Adult size
≤ 11.8" (≤ 30 cm)
Aquarium size
79 US gal (300 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
Temperament
Peaceful
Zone
Bottom dweller
Temp
77–84°F (25–29°C)
Beginner – Intermediate

Sveni Eartheater

Geophagus sveni

Adult size
≤ 9.8" (≤ 25 cm)
Aquarium size
75 US gal (284 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
Temperament
Semi-Aggressive
Zone
Middle swimmer
Temp
75–84°F (24–29°C)
Beginner – Intermediate

Swamp Barb

Puntius chola

Adult size
≤ 5.9" (≤ 15 cm)
Aquarium size
64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Peaceful
Zone
Middle swimmer
Temp
68–77°F (20–25°C)
Beginner – Intermediate

Swamp Blue Eye Rainbowfish

Pseudomugil paludicola

Adult size
≤ 1.4" (≤ 3.5 cm)
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
79–86°F (26–30°C)
Beginner

Swordtail

Xiphophorus hellerii

Adult size
≤ 5.5" (≤ 14 cm)
Aquarium size
29 US gal (108 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
72–82°F (22–28°C)
Beginner – Intermediate

Tail Spot Pygmy Corydoras

Gastrodermus hastatus

Adult size
≤ 1.4" (≤ 3.5 cm)
Aquarium size
14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
Temperament
Peaceful
Zone
Middle swimmer
Temp
68–81°F (20–27°C)
Intermediate

Tailspot Ctenopoma

Ctenopoma kingsleyae

Adult size
≤ 7.9" (≤ 20 cm)
Aquarium size
53 US gal (200 L) or larger / ≥ 43.3" (≥ 110 cm) minimum length
Temperament
Semi-Aggressive
Zone
Middle swimmer
Temp
68–79°F (20–26°C)
Intermediate – Advanced

Tanganyikan Spiny Eel

Mastacembelus ellipsifer

Adult size
≤ 17.7" (≤ 45 cm)
Aquarium size
64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Peaceful
Zone
Bottom dweller
Temp
73–81°F (23–27°C)
Beginner – Intermediate

Tangerine Tetra

Hyphessobrycon krenakore

Adult size
≤ 1.6" (≤ 4 cm)
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
72–82°F (22–28°C)
Intermediate

Telescope Goldfish

Carassius auratus

Adult size
≤ 5.1" (≤ 13 cm)
Aquarium size
86 US gal (324 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Peaceful
Temp
64–72°F (18–22°C)
Beginner – Intermediate

Tequila Splitfin

Zoogoneticus tequila

Adult size
≤ 2.4" (≤ 6 cm)
Aquarium size
21 US gal (80 L) or larger / ≥ 15.7" (≥ 40 cm) minimum length
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
68–75°F (20–24°C)
Intermediate – Advanced

Texas Cichlid

Herichthys cyanoguttatus

Adult size
≤ 11.8" (≤ 30 cm)
Aquarium size
67 US gal (255 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Temperament
Aggressive
Temp
72–81°F (22–27°C)
Beginner – Intermediate

Thick Lipped Gourami

Trichogaster labiosa

Adult size
≤ 3.9" (≤ 10 cm)
Aquarium size
24 US gal (90 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
Temperament
Peaceful
Temp
73–82°F (23–28°C)
Intermediate – Advanced

Thicklip Barb

Probarbus labeamajor

Adult size
≤ 59.1" (≤ 150 cm)
Temperament
Peaceful
Zone
Middle swimmer
Temp
72–82°F (22–28°C)
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