Oscar Fish, Astronotus ocellatus

Oscar Fish Care: Size, Food, Tank Size & Hole in the Head

Oscar fish are more intelligent than your average aquarium fish. They are very personable fish that will interact with the owner. For example, when they are excited about their favorite food, they might wag their tail fin, just like a puppy. This is why they are nicknamed “Water Dogs.” Since they have so much personality, many fishkeepers become very attached to them.

Grindal Worm Culture (Enchytraeus buchholzi) | Live Fish Food

Grindal Worms, Enchytraeus buchholzi, are annelid worms that are great for feeding fish fry. Grindal worms were first isolated from White Worms by Mrs. Morton Grindal in Solna, Sweden in the 1950’s. This is surprising, considering how different Grindal Worms are in comparison to White Worms. As you can see from the photo of one …

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Koi Fish (Scientific Name: Cyprinus rubrofuscus)

Koi Fish Care: Guide to Keeping Nishikigoi

Koi is a cold-water fish and originate in Central Europe and East Asia. They are hardy and highly adaptable. Likewise, the domesticated Nishikigoi can be acclimated to various climates and water conditions. Koi fish and Goldfish have the same ancestor, the carp. They have similarities with some varieties of Goldfish such as the Common Goldfish and Comet Goldfish. They can have similar body shape and color. This makes it difficult to tell the difference between the two as juvenile or fry. One obvious feature that distinguishes the Goldfish and Koi fish is the presence of prominent barbels on the lips.