Aquarium Fish Database

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

Beginner – Intermediate

Lemon Fin Barb

Hypsibarbus wetmorei

Adult size
up to 45 cm
Aquarium size
900 L or larger
Temperament
Peaceful
Zone
Middle swimmer
Temp
20–26 °C
Beginner

Lemon Tetra

Hyphessobrycon pulchripinnis

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
21–26 °C
Beginner

Lemon White Cloud Mountain Minnow

Tanichthys kuehnei

Adult size
up to 3.5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
18–22 °C
Beginner – Intermediate

Leopard Bush Fish

Ctenopoma acutirostre

Adult size
up to 15 cm
Aquarium size
200 L or larger
Temperament
Semi-Aggressive
Zone
Middle to top swimmer
Temp
20–25 °C
Intermediate

Leopard Cactus Plecostomus

Pseudacanthicus leopardus

Adult size
up to 35 cm
Aquarium size
300 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
25–29 °C
Beginner

Leopard Corydoras

Corydoras leopardus

Adult size
up to 7 cm
Aquarium size
100 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
20–26 °C
Beginner

Leopard Danio

Danio rerio

Adult size
up to 8 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Top swimmer
Temp
18–26 °C
Beginner – Intermediate

Leopard Frog Plecostomus

Peckoltia compta

Adult size
up to 10 cm
Aquarium size
100 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
24–30 °C
Intermediate

Leopard Kuhli Loach

Pangio shelfordii

Adult size
up to 8 cm
Aquarium size
60 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
22–25 °C
Beginner – Intermediate

Leopard Sailfin Plecostomus

Pterygoplichthys gibbiceps

Adult size
up to 50 cm
Aquarium size
900 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
22–30 °C
Intermediate – Advanced

Leopold’s Angelfish

Pterophyllum leopoldi

Adult size
up to 10 cm
Aquarium size
200 L or larger
Temperament
Peaceful
Temp
22–29 °C
Beginner – Intermediate

Liberty Molly

Poecilia salvatoris

Adult size
up to 7.5 cm
Aquarium size
120 L or larger
Temperament
Semi-Aggressive
Zone
Middle to top swimmer
Temp
22–26 °C
Intermediate

Licorice Gourami

Parosphromenus deissneri

Adult size
up to 4 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
21–27 °C
Beginner – Intermediate

Lined Barb

Striuntius lineatus

Adult size
up to 6 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
20–26 °C
Beginner – Intermediate

Lipstick Barb

Pethia erythromycter

Adult size
up to 4 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle swimmer
Temp
20–25 °C
Beginner – Intermediate

Lipstick Tetra

Moenkhausia cosmops

Adult size
up to 6 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–26 °C
Beginner – Intermediate

Lizard Goby

Rhinogobius flumineus

Adult size
up to 7 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
10–25 °C
Beginner – Intermediate

Long Finned Tetra

Brycinus longipinnis

Adult size
up to 12.5 cm
Aquarium size
160 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–26 °C
Beginner – Intermediate

Longnose Peppermint Otocinclus

Rhinotocinclus longirostris

Adult size
up to 2.5 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
24–27 °C
Intermediate – Advanced

Longsnout distichodus

Distichodus lusosso

Adult size
up to 40 cm
Aquarium size
300 L or larger
Temperament
Semi-Aggressive
Zone
Bottom to middle swimmer
Temp
22–26 °C
Beginner – Intermediate

Loreto Tetra

Hyphessobrycon loretoensis

Adult size
up to 3 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
21–27 °C
Beginner – Intermediate

Lumbantobing Goby

Pseudogobiopsis lumbantobing

Adult size
up to 4 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
22–28 °C
Beginner – Intermediate

Lyretail Killifish

Aphyosemion australe

Adult size
up to 6 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
20–31 °C
Intermediate

Macmasters Apistogramma

Apistogramma macmasteri

Adult size
up to 7 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–29 °C
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