All steelhead start life as rainbow trout, but not all rainbow trout will become steelhead. Confused? You’re not alone.

Aquarium enthusiasts are often on the lookout for colorful and exciting species that they can raise in their personal tanks. Rainbowfish are a broad category of fish that meet these requirements.

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...