Aquarium Fish Database

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

Intermediate

Foersch’s Betta

Betta foerschi

Adult size
up to 6 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–28 °C
Intermediate – Advanced

Forest Snakehead

Channa lucius

Adult size
up to 45 cm
Aquarium size
900 L or larger
Temperament
Aggressive
Zone
Middle to top swimmer
Temp
24–28 °C
Beginner

Forktail Blue Eye Rainbowfish

Pseudomugil furcatus

Adult size
up to 5.5 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle swimmer
Temp
23–26 °C
Intermediate – Advanced

Four-banded Tigerfish

Datnioides polota

Adult size
up to 30 cm
Aquarium size
300 L or larger
Temperament
Semi-Aggressive
Zone
Bottom to middle swimmer
Temp
20–28 °C
Advanced

Frail Gourami

Ctenops nobilis

Adult size
up to 10 cm
Aquarium size
200 L or larger
Temperament
Aggressive
Zone
Middle to top swimmer
Temp
15–25 °C
Intermediate

Frankei Tetra

Hyphessobrycon frankei

Adult size
up to 4.5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–27 °C
Intermediate

Frontosa Cichlid

Cyphotilapia frontosa

Adult size
up to 35 cm
Aquarium size
300 L or larger
Temperament
Peaceful
Zone
Middle swimmer
Temp
23–27 °C
Beginner – Intermediate

Fulleri Corydoras

Corydoras fulleri

Adult size
up to 7.5 cm
Aquarium size
100 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
22–26 °C
Beginner – Intermediate

Gabon Jewelfish

Aphyosemion cyanostictum

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
25–35 °C
Beginner – Intermediate

Gabon Killifish

Aphyosemion gabunense

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–26 °C
Intermediate – Advanced

Galaxy Loach

Mesonoemacheilus guentheri

Adult size
up to 6 cm
Aquarium size
120 L or larger
Temperament
Semi-Aggressive
Zone
Bottom to middle swimmer
Temp
18–25 °C
Beginner – Intermediate

Galaxy Plecostomus L029

Leporacanthicus galaxias

Adult size
up to 25 cm
Aquarium size
300 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
22–26 °C
Beginner – Intermediate

Garnet Minnow

Aphyocypris lini

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
18–22 °C
Beginner – Intermediate

Gary Lange’s Rainbowfish

Melanotaenia garylangei

Adult size
up to 8 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
25–28 °C
Intermediate – Advanced

Giant Bumblebee Catfish

Pseudopimelodus bufonius

Adult size
up to 25 cm
Aquarium size
300 L or larger
Temperament
Semi-Aggressive
Zone
Bottom dweller
Temp
24–28 °C
Intermediate – Advanced

Giant Chocolate Gourami

Sphaerichthys acrostoma

Adult size
up to 10 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
20–25 °C
Beginner – Intermediate

Giant Danio

Devario aequipinnatus

Adult size
up to 10 cm
Aquarium size
200 L or larger
Temperament
Semi-Aggressive
Zone
Middle to top swimmer
Temp
22–27 °C
Intermediate – Advanced

Giant Gourami

Osphronemus goramy

Adult size
up to 70 cm
Aquarium size
900 L or larger
Temperament
Peaceful
Temp
20–30 °C
Intermediate

Giant Hatchetfish

Thoracocharax securis

Adult size
up to 9 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–30 °C
Intermediate

Giant Pikehead

Luciocephalus pulcher

Adult size
up to 20 cm
Aquarium size
240 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–26 °C
Intermediate

Giant Red Tail Gourami

Osphronemus laticlavius

Adult size
up to 50 cm
Aquarium size
900 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
20–30 °C
Advanced

Giant Snakehead

Channa micropeltes

Adult size
up to 130 cm
Aquarium size
900 L or larger
Temperament
Aggressive
Zone
Bottom to middle swimmer
Temp
20–30 °C
Beginner

Ginga Rubra Guppy

Poecilia reticulata

Adult size
up to 4 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Temp
18–29 °C
Intermediate – Advanced

Giraffe Cichlid

Nimbochromis venustus

Adult size
up to 25 cm
Aquarium size
300 L or larger
Temperament
Semi-Aggressive
Temp
24–28 °C
Scroll to Top