Aquarium Fish Database

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

Black Arrow Royal Tetra Beginner – Intermediate

Black Arrow Royal Tetra

Black arrow

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

Bristlenose Plecostomus

Ancistrus cirrhosus

Adult size
up to 13 cm
Aquarium size
160 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
22–27 °C
Cherry Barb Beginner

Cherry Barb

Puntius titteya

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
21–26 °C
Cockatoo Dwarf Cichlid Intermediate

Cockatoo Dwarf Cichlid

Apistogramma cacatuoides

Adult size
up to 10 cm
Aquarium size
200 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
24–27 °C
Common Otocinclus Beginner – Intermediate

Common Otocinclus

Otocinclus vittatus

Adult size
up to 4 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Temp
21–26 °C
Ember Tetra Beginner – Intermediate

Ember Tetra

Hyphessobrycon amandae

Adult size
up to 2 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
22–28 °C
Ginga Rubra Guppy Beginner

Ginga Rubra Guppy

Poecilia reticulata

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

Green Neon Tetra

Paracheirodon simulans

Adult size
up to 2.5 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
23–28 °C
Harlequin Rasbora Beginner – Intermediate

Harlequin Rasbora

Trigonostigma heteromorpha var. Blue

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–28 °C
Kuhli Loach Beginner – Intermediate

Kuhli Loach

Pangio kuhlii

Adult size
up to 11 cm
Aquarium size
100 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
23–29 °C
Neon Tetra Beginner – Intermediate

Neon Tetra

Paracheirodon innesi

Adult size
up to 8.5 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Middle swimmer
Temp
20–26 °C
Peppered Corydoras Beginner – Intermediate

Peppered Corydoras

Corydoras paleatus

Adult size
up to 6 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
17–26 °C
Powder Blue Dwarf Gourami Beginner – Intermediate

Powder Blue Dwarf Gourami

Trichogaster lalius

Adult size
up to 7.5 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Temp
22–27 °C
Rummy Nose Tetra Beginner

Rummy Nose Tetra

Hemigrammus rhodostomus

Adult size
up to 5 cm
Aquarium size
45 L or larger
Temperament
Peaceful
Zone
Middle swimmer
Temp
24–27 °C
Siamese Fighting Fish Beginner – Intermediate

Siamese Fighting Fish

Betta splendens

Adult size
up to 7 cm
Aquarium size
120 L or larger
Temperament
Semi-Aggressive
Zone
Top swimmer
Temp
24–27 °C
Zebra Danio Beginner

Zebra Danio

Brachydanio rerio

Adult size
up to 6 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
17–23 °C
Beginner – Intermediate

Adolfos Catfish

Corydoras adolfoi

Adult size
up to 6 cm
Aquarium size
60 L or larger
Temperament
Peaceful
Zone
Bottom dweller
Temp
22–26 °C
Intermediate

Adonis Tetra

Lepidarchus adonis

Adult size
up to 2 cm
Aquarium size
30 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
21–26 °C
Beginner – Intermediate

African Banded Barb

Barbus fasciolatus

Adult size
up to 6 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
21–26 °C
Beginner – Intermediate

African Butterfly Cichlid

Anomalochromis thomasi

Adult size
up to 8 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
22–26 °C
Beginner – Intermediate

African Copper Ribbon Tetra

Rhabdalestes septentrionalis

Adult size
up to 7 cm
Aquarium size
80 L or larger
Temperament
Peaceful
Zone
Middle to top swimmer
Temp
22–28 °C
Intermediate – Advanced

African Freshwater Pipefish

Enneacampus ansorgii

Adult size
up to 10 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
23–27 °C
Intermediate – Advanced

African Glass Catfish

Pareutropius debauwi

Adult size
up to 10 cm
Aquarium size
120 L or larger
Temperament
Peaceful
Zone
Bottom to middle swimmer
Temp
22–27 °C
Beginner – Intermediate

African Moon Tetra

Bathyaethiops caudomaculatus

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