The Aquarium Adviser
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Fish

Important Factors to Consider When Choosing Fish For Your Aquarium
Fish

Important Factors to Consider When Choosing Fish For Your Aquarium

Choosing the right fish depends on your experience level, tank size, and whether you want freshwater or saltwater species. Understanding key factors like compatibility, growth rate, and maintenance needs upfront prevents costly mistakes and keeps your fish healthy.

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

Can I Put a Pygmy Corydoras with a Betta Fish?
Fish

Can I Put a Pygmy Corydoras with a Betta Fish?

Pygmy corydoras can technically live in small tanks with bettas, but bettas often harass and stress them-making them poor tank mates despite their tiny size. Learn what conditions, tank mates, and care requirements actually work for this fish.

Photo by Joel Carnat on Openverse (CC BY 2.0)

Fancy Goldfish - Tank Setup and Tank Size
Fish

Fancy Goldfish - Tank Setup and Tank Size

Fancy goldfish require at least a 40-gallon breeder tank and high-capacity filtration due to their heavy bioload, plus cold-water conditions and frequent water changes to thrive long-term.

Photo by soozafone on Openverse (CC BY 2.0)

How To Breed Tomato Clownfish?
Fish

How To Breed Tomato Clownfish?

Tomato clownfish are among the easiest saltwater fish to breed, thanks to their unique sex-changing ability-here are the three main approaches from cheapest to quickest, plus essential setup and larval care guidance.

Photo by Lonnie Huffman on Openverse (CC BY 3.0)

All About Golden Monkey Flowerhorn & Best Tank Mates for This Fish
Fish

All About Golden Monkey Flowerhorn & Best Tank Mates for This Fish

Golden Monkey Flowerhorns are highly territorial cichlids, but you can keep them with compatible tank mates if your aquarium is large enough and you choose species that can hold their own. We break down 10 viable options and what you need to know before pairing them.

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

21 Facts about Clownfish and More a Lot of Information
Fish

21 Facts about Clownfish and More a Lot of Information

Clownfish are among the easiest marine fish to keep, but they still require careful saltwater tank setup, proper water chemistry, and consistent daily care to thrive.

Photo by CybersamX on Openverse (CC BY 2.0)

Clownfish Tank Mates for 30-Gallon Tank
Fish

Clownfish Tank Mates for 30-Gallon Tank

A 30-gallon saltwater aquarium can house several fish species alongside clownfish, but choosing compatible tank mates requires understanding temperament, size, and dietary needs. The right companions will thrive without competing aggressively or outgrowing your tank.

Photo by chris favero on Openverse (CC BY-SA 2.0)

Can Cichlids Be Kept in a Planted Tank? Which Cichlids Don’t Harm Plants?
Fish

Can Cichlids Be Kept in a Planted Tank? Which Cichlids Don’t Harm Plants?

Yes, cichlids can be kept in a planted tank, but only certain species will leave your plants intact-and the approach depends on whether you're prioritizing the cichlids or the plants.

Photo by (: Rebecca-louise :) on Openverse (CC BY 2.0)

What Do Gouramis Eat, and How Often Should I Feed Them?
Fish

What Do Gouramis Eat, and How Often Should I Feed Them?

Gouramis are omnivores that thrive on a varied diet of live, frozen, and prepared foods, and should be fed twice daily for optimal health and vitality.

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