Aquarium Fish Database

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

Intermediate

Three Beacon Plecostomus L091

Leporacanthicus triactis

Adult size
up to 25 cm
Aquarium size
300 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
24–27 °C
Beginner – Intermediate

Three Line Corydoras

Corydoras trilineatus

Adult size
up to 5.5 cm
Aquarium size
60 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
22–26 °C
Beginner – Intermediate

Three Lined Pencilfish

Nannostomus trifasciatus

Adult size
up to 4 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–27 °C
Beginner – Intermediate

Three Spot Gourami

Trichopodus trichopterus

Adult size
up to 15 cm
Aquarium size
160 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–30 °C
Beginner – Intermediate

Three Spotted Dwarf Rasbora

Boraras micros

Adult size
up to 2 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Temp
24–28 °C
Intermediate

Three Spotted Halfbeak

Hemirhamphodon kuekenthali

Adult size
up to 7 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Top swimmer
Temp
24–28 °C
Intermediate

Three Striped Apistogramma

Apistogramma trifasciata

Adult size
up to 5.5 cm
Aquarium size
120 L or larger
Temperament
Semi-Aggressive
Zone
Bottom to middle swimmer
Temp
20–25 °C
Intermediate

Threespot Headstander

Pseudanos trimaculatus

Adult size
up to 18 cm
Aquarium size
240 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
23–27 °C
Intermediate – Advanced

Threespot Leporinus

Leporinus friderici

Adult size
up to 40 cm
Aquarium size
300 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
23–26 °C
Beginner – Intermediate

Ticto Barb

Pethia ticto

Adult size
up to 7 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
18–25 °C
Beginner

Tiger Barb

Puntigrus tetrazona

Adult size
up to 8 cm
Aquarium size
120 L or larger
Temperament
Semi-Aggressive
Zone
Middle swimmer
Temp
20–26 °C
Beginner – Intermediate

Tiger Butterfly Loach

Gastromyzon sp.

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
24–28 °C
Intermediate

Tiger Dwarf Goby

Mugilogobius tigrinus

Adult size
up to 2.5 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
22–28 °C
Beginner – Intermediate

Tiger Otocinclus

Otocinclus cocama

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
21–26 °C
Intermediate – Advanced

Tiger Shovelnose Catfish

Pseudoplatystoma fasciatum

Adult size
up to 90 cm
Aquarium size
900 L or larger
Temperament
Semi-Aggressive
Zone
Bottom dweller
Temp
23–27 °C
Beginner – Intermediate

Tiger Teddy Livebearer

Neoheterandria elegans

Adult size
up to 2.5 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Temp
24–28 °C
Intermediate – Advanced

Tinfoil Barb

Barbonymus schwanenfeldii

Adult size
up to 35 cm
Aquarium size
300 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–26 °C
Intermediate

Toba Betta

Betta rubra

Adult size
up to 4 cm
Aquarium size
120 L or larger
Temperament
Semi-Aggressive
Zone
Middle to top swimmer
Temp
21–25 °C
Beginner – Intermediate

Tolson’s Snakehead Gudgeon

Giuris tolsoni

Adult size
up to 10 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
24–28 °C
Beginner – Intermediate

Tonkin Bitterling

Acheilognathus tonkinensis

Adult size
up to 12 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
18–24 °C
Beginner – Intermediate

Toucan Tetra

Tucanoichthys tucano

Adult size
up to 2 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
20–23 °C
Beginner – Intermediate

Towoetii Halfbeak

Nomorhamphus towoetii

Adult size
up to 8 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–25 °C
Beginner – Intermediate

Towuti Black Hi Fin Goby

Glossogobius flavipinnis

Adult size
up to 8 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
26–30 °C
Beginner – Intermediate

Transparent Blue Eye Rainbowfish

Pseudomugil pellucidus

Adult size
up to 3.5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–27 °C
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