The Aquarium Adviser
Fish

Photo by Tanmayee D on Openverse (CC BY 2.0)

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Fish

How Often Do Goldfish Need Feeding? Best Goldfish Food&Types of Food
Fish

How Often Do Goldfish Need Feeding? Best Goldfish Food&Types of Food

Feed your goldfish twice daily, only as much as they can eat in 2-3 minutes, and vary their diet with quality flakes, pellets, frozen foods, and fresh vegetables to keep them healthy and prevent dangerous overeating.

Photo by James St. John on Openverse (CC BY 2.0)

Molly Fish Temperature, Water Parameters, and pH Level
Fish

Molly Fish Temperature, Water Parameters, and pH Level

Molly fish are tropical freshwater and brackish-water species that thrive at 78-82°F in hard, alkaline water with a pH between 7.5 and 8.5. Understanding their specific water chemistry needs, breeding behavior, and dietary preferences is essential for keeping healthy, long-lived mollies in your aquarium.

Photo by Gerardeen92 on Openverse (CC BY-SA 4.0)

Types of Betta Fish: Names, Tail, Shape, and Color
Fish

Types of Betta Fish: Names, Tail, Shape, and Color

Betta fish come in stunning variety of tail types and color patterns, from flowing Veiltails to dramatic crowns and rare Marbles. Understanding these variations helps you choose and care for your betta properly.

Photo by Carlos Eduardo Joos on Openverse (CC BY 2.0)

Betta and Shrimp in a 10-Gallon Tank, and Betta Tank Mates for 10-Gallon
Fish

Betta and Shrimp in a 10-Gallon Tank, and Betta Tank Mates for 10-Gallon

Bettas are solitary fish, but shrimp, snails, and certain schooling fish can work as safe tank mates in a 10-gallon tank if you choose carefully and understand the risks involved.

Photo by Lottie's pets & stuff on Openverse (CC0)

19 Most Popular Types of Catfish: Species, Habitat & Pictures
Fish

19 Most Popular Types of Catfish: Species, Habitat & Pictures

Catfish represent one of the largest and most diverse groups of aquarium fish, with over 2,000 species across 30 families ranging from sedentary community dwellers to active predators. Here's your complete guide to the most popular types for home aquariums, with care requirements and habitat preferences for each.

Photo by A455bcd9 on Openverse (CC BY-SA 4.0)

Oscar Fish Behavior, Habitat, Care and Tank Mates
Fish

Oscar Fish Behavior, Habitat, Care and Tank Mates

Oscars are rewarding but demanding cichlids that grow large (up to 16 inches), live 15-20 years, and require a 55-gallon minimum tank-make sure you're ready for the long-term commitment before bringing one home.

Photo by Rameshng on Openverse (CC BY-SA 2.0)

Angelfish Food - The Best Food for Angelfish
Fish

Angelfish Food - The Best Food for Angelfish

Angelfish thrive on a varied diet of high-quality pellets, color-enhancing flakes, frozen foods, and live prey, fed twice daily to keep them healthy and vibrant.

Photo by BioDivLibrary on Openverse (Public Domain Mark)

9 Best Cold Water Pond Fish
Fish

9 Best Cold Water Pond Fish

Cold water ponds don't need heaters when stocked with hardy species like goldfish, sturgeon, sticklebacks, and dace. Here are the nine best cold water pond fish and what you need to know to keep them thriving year-round.

Photo by Lars Plougmann on Openverse (CC BY-SA 2.0)

Substrate Spawners Cichlids and Mouthbrooding Cichlids
Breeding

Substrate Spawners Cichlids and Mouthbrooding Cichlids

All cichlids practice some form of brood care, but they fall into two distinct breeding strategies: mouthbrooders and substrate-spawners. Understanding these differences is essential for successfully breeding cichlids in captivity.

Photo by jared on Openverse (CC BY 2.0)