Freshwater

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:...

Otocinclus Catfish: The Algae Eater

Species name: Otocinclus affinis Common names: Oto cat, Golden otocinclus, Dwarf Sucker Mouth, Otocinclus catfish Family: Loricariidae Subfamily: Hypoptopomatinae Order: Siluriformes Class: Actinopterygii Maximum length: 1.5″ (4 cm) Minimum tank size:...

Nano Planted Aquariums: Plants, Fish & Lighting for Nano Tanks

A low-tech, low maintenance approach to nano planted tanks. From time to time, folks ask questions about setting up so-called nano tanks, which for simplicity's...

How to Perform Routine Aquarium Maintenance

Though never a pleasant chore, aquariums need regular maintenance. Water changes keep the fish happy, and prevent problems from arising in a fish tank. The...

25 Facts About Betta Splendens You Should Know

Bright iridescent colors and flaring fins make the Siamese fighting fish an instant favorite with most hobbyists.  Male bettas just flat out look great....

Why Does My Newly Purchased Aquarium Fish Die, but the Old Ones Live?

People often blame the retailer when newly purchased fish die, yet the old fish live. The problem, though, is usually with the aquarium, not...

The Red and Beatiful Rotala Macrandra

When researching the available literature dealing with aquarium plants, often the plants are categorized by growth patterns. Some of those include 'roseate' (which defines...