Aqua AI

AQUA AI SPECIES CATALOG

Aquarium species
care guides.

Care requirements, water chemistry parameters, and tank compatibility for popular aquarium fish and plants. Grounded in Aqua AI’s canonical catalog facts.

Freshwater & Coldwater Fish

Neon Tetra (Paracheirodon innesi) Freshwater fish
FISH

Neon Tetra

Paracheirodon innesi

A popular freshwater fish known for its bright iridescent blue and red stripes.

70-78°F (21-25°C) pH 6.0-7.0 Easy
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Tiger Barb (Puntigrus tetrazona) Freshwater fish
FISH

Tiger Barb

Puntigrus tetrazona

View care guide ↗
Betta (Siamese Fighting Fish) (Betta splendens) Freshwater fish
FISH

Betta (Siamese Fighting Fish)

Betta splendens

One of the most popular aquarium fish, known for vibrant colors, flowing fins, and labyrinth organ enabling air breathing.

75-80°F (24-27°C) pH 6.0-7.5 Easy
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Salt and Pepper Corydoras (Corydoras habrosus) Freshwater fish
FISH

Salt and Pepper Corydoras

Corydoras habrosus

Corydoras habrosus is a tiny, peaceful armored catfish known for its distinct spotted pattern.

72°F to 78°F (22°C to 26°C) pH 6.0 to 7.5 Easy
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White Cloud Mountain Minnow (Tanichthys albonubes) Coldwater fish
FISH

White Cloud Mountain Minnow

Tanichthys albonubes

A hardy, active freshwater schooling fish prized for its vibrant red fins and tolerance for cooler water temperatures.

60 to 72°F (15 to 22°C) pH 6.5 to 8.0 Easy
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Rummy-Nose Tetra (Hemigrammus rhodostomus) Freshwater fish
FISH

Rummy-Nose Tetra

Hemigrammus rhodostomus

Hemigrammus rhodostomus is a popular schooling tetra from South America recognized by its vibrant bright red nose and patterned tail fin.

74°F to 82°F (23°C to 28°C) pH 5.5 to 7.0 Moderate
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Guppy (Poecilia reticulata) Freshwater fish
FISH

Guppy

Poecilia reticulata

One of the most popular freshwater aquarium livebearers, celebrated for endless color morphs and vibrant fin variations.

72-82°F (22-28°C) pH 7.0-8.5 Easy
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Pearl Gourami (Trichopodus leerii) Freshwater fish
FISH

Pearl Gourami

Trichopodus leerii

A peaceful labyrinth fish displaying a delicate pearl-like spotted pattern across an iridescent orange-brown body.

74-82°F (23-28°C) pH 6.0-8.0 Easy
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Harlequin Rasbora (Trigonostigma heteromorpha) Freshwater fish
FISH

Harlequin Rasbora

Trigonostigma heteromorpha

A peaceful and iconic freshwater schooling fish featuring a prominent black triangular patch on a rich copper-orange body.

72°F to 81°F (22°C to 27°C) pH 6.0 to 7.5 Easy
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Cherry Barb (Puntius titteya) Freshwater fish
FISH

Cherry Barb

Puntius titteya

A peaceful, active freshwater fish known for its striking red coloration in males.

74°F - 80°F (23°C - 27°C) pH 6.0 - 7.0 Easy
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Cardinal Tetra (Paracheirodon axelrodi) Freshwater fish
FISH

Cardinal Tetra

Paracheirodon axelrodi

A vibrant schooling fish resembling the neon tetra but with red extending the full length of the body.

73-82°F (23-28°C) pH 4.6-6.2 Moderate
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Oscar Cichlid (Astronotus ocellatus) Freshwater fish
FISH

Oscar Cichlid

Astronotus ocellatus

A highly intelligent, personable South American cichlid known for interacting with keepers and reorganizing decor.

74-81°F (23-27°C) pH 6.0-8.0 Moderate
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Dwarf Gourami (Trichogaster lalius) Freshwater fish
FISH

Dwarf Gourami

Trichogaster lalius

A popular labyrinth fish known for its striking neon color patterns, peaceful demeanor, and interesting surface-breathing behavior.

75 to 82°F (24 to 28°C) pH 6.0 to 7.5 Easy
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Kuhli Loach (Pangio semicincta) Freshwater fish
FISH

Kuhli Loach

Pangio semicincta

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Zebra Danio (Danio rerio) Freshwater fish
FISH

Zebra Danio

Danio rerio

An active, resilient freshwater fish featuring horizontal blue-black stripes resembling a zebra.

65-75°F (18-24°C) pH 6.5-7.8 Easy
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Freshwater Angelfish (Pterophyllum scalare) Freshwater fish
FISH

Freshwater Angelfish

Pterophyllum scalare

A majestic cichlid characterized by its distinctive triangular body shape and flowing fins.

75 to 82°F (24 to 28°C) pH 6.0 to 7.5 Moderate
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Goldfish (Carassius auratus) Coldwater fish
FISH

Goldfish

Carassius auratus

A hardy coldwater fish native to East Asia, known for numerous fancy varieties and long lifespans.

65 to 72 degrees Fahrenheit (18 to 22 degrees Celsius) pH 7.0 to 8.0 Easy
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