The Aquarium Adviser
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Photo by Tanmayee D on Openverse (CC BY 2.0)

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Fish

Medaka rice fish swimming in freshwater.
Fish

Medaka Rice Fish Care: Cool-Water Tank and Breeding Guide

A practical guide to medaka rice fish care cool water tank breeding, covering setup, routine care, compatibility, testing, and common mistakes.

Photo by m.ikezu on Openverse (CC BY 2.0)

A green neon tetra photographed against a dark background.
Fish

Green Neon Tetra Care: Soft-Water Tank Setup Guide

A practical guide to green neon tetra care soft water tank setup, covering setup, routine care, compatibility, testing, and common mistakes.

Photo by Atulbhats on Openverse (CC BY-SA 4.0)

A planted nano aquarium containing Boraras brigittae chili rasboras.
Fish

Chili Rasbora Care: 10-Gallon Tank, Diet and Tank Mates

A practical guide to chili rasbora care 10 gallon tank, covering setup, routine care, compatibility, testing, and common mistakes.

Photo by VivienneHarper on Openverse (CC BY-SA 3.0)

A bristlenose pleco clinging to aquarium glass, showing the fleshy tentacles on its snout
Fish

Bristlenose Pleco Care: Tank Size, Diet, Breeding, and Lifespan

Bristlenose plecos stay under 5 inches, happily graze algae, and thrive in a 25-30 gallon tank. This guide covers tank size, water parameters, diet, tank mates, sexing, breeding, and lifespan.

Photo by Psychlist1972 on Openverse (CC BY 2.0)

A male honey gourami displaying honey-orange breeding coloration near floating plants in a planted aquarium
Fish

Honey Gourami Care: Tank Size, Water Parameters, and Bubble Nests

Honey gouramis are small, peaceful, air-breathing gouramis that suit a 10-gallon planted tank. Here's what their water parameters, diet, and bubble-nest behavior actually require.

Photo by Eevaya on Openverse (CC BY-SA 4.0)

A group of orange and black striped clown loaches swimming together near the substrate of a planted aquarium
Fish

Clown Loach Care: Tank Size, Shoaling, and Water Parameters

Clown loaches need a shoal of 6 or more, soft sand to protect their barbels, and a tank that scales past 125 gallons as adults. Here's what beginners often miss before buying.

Photo by brian.gratwicke on Openverse (CC BY 2.0)

A tight school of rummy nose tetras (Hemigrammus rhodostomus) showing their characteristic red heads and black and white striped tails
Fish

Rummy Nose Tetra Care: Tank Size, Water Parameters, and Schooling Guide

Rummy nose tetras are prized for their glowing red faces and tight schooling, but they demand soft, stable water and a real school size to thrive. Here's exactly what Hemigrammus rhodostomus needs to stay healthy and colorful.

Photo by EvaApple on Openverse (CC BY 2.0)

A male Endler's livebearer (Poecilia wingei) displaying its iridescent orange and turquoise color pattern in a planted aquarium
Fish

Endler's Livebearer Care: Tank Size, Water Parameters, and Breeding Guide

Endler's livebearers are small, colorful, and famously easy to breed, making Poecilia wingei one of the best fish for a nano or community tank. Here's what it actually takes to keep them happy, from water hardness to raising the fry.

Photo by Dornenwolf on Openverse (CC BY 2.0)

Firemouth Cichlid Care: Tank Size, Water Parameters, and the Gill-Flaring Display
Fish

Firemouth Cichlid Care: Tank Size, Water Parameters, and the Gill-Flaring Display

A complete guide to firemouth cichlid care, covering tank size, water parameters, diet, the famous gill-flaring display, and how this Central American cichlid compares to more aggressive tank mates.

Photo by Bloopityboop on Openverse (CC BY-SA 4.0)