Freshwater

Oscar Fish (Astronotus Ocellatus) Care, Feeding and Tank Requirements

Species name: Astronotus ocellatus Common names: oscar, tiger oscar, velvet cichlid, or marble cichlid Family: Cichlidae Order: Perciformes Class: Actinopterygii Maximum length: 11.8 – 15.7 in ( 30.0 – 40.0 cm) Minimum tank size: Provide at least...

Buffalo Head Cichlid (Steatocranus casuarius)

The "bumphead," "buffalohead," or "blockhead," this little riverine fish from the Congo River basin has been around for quite awhile now, and I've been...

Blue Acara Cichlid (Aequidens Pulcher)

Blue Acara Cichlids are available in most pet stores but are sometimes mistaken for Green Terrors due to a strong resemblance. The scientific name for...

Glass Catfish, the Kryptopterus bicirrhis

Beautiful and strange, Glass Catfish are some of the more provocative catfish in the hobby. However, they are sensitive and have special needs. Glass Catfish,...

Zebra Pleco (Hypancistrus zebra)

Zebra plecos are gorgeous, relatively hardy fish. However, they have specific needs that should be considered before paying the hefty price they command. The zebra...

Aquarium Snail Eggs: How do Freshwater Snails Reproduce?

Freshwater snails are widely distributed across the world. There are over 600 species of freshwater snails in ponds, lakes and rivers in the United...

Cryptocoryne: How to Grow Crypts in Your Aquarium

The streams, ponds and swamps of Southeast Asia are home to a genus that includes many of our most beautiful and varied rosette plants....

Are Neon Tetras Right for My Aquarium?

The Neon Tetra (Paracheirodon innesi), is a peaceful fish that is ideal for community aquariums. These schooling fish grow to be 4 cm, and...

Why is My Goldfish Swimming Belly-up?

The antics of fancy goldfish are fun to watch, except when they are always swimming belly-up. Here are the causes, and what you can...

Jack Dempsey Cichlid (Rocio octofasciata)

Species name: Rocio octofasciata Common names: Jack Dempsey Family: Cichlidae Order: Perciformes Suborder: Percoidei Class: Actinopterygii (ray-finned fishes) Maximum length: 9.8″ in. (25.0 cm) Minimum tank size: 50 gallons Hardiness: Easy Aggressiveness: Aggressive Distribution:...