A popular freshwater aquarium fish is the Pleco, or common catfish. It is a hardy fish that can tolerate a variety of water conditions and can grow to be two feet long. Plecos …

The triangle-shaped, striped angelfish (scientific name: Pterophyllum scalar) are popular and attractive freshwater fish that make a nice addition to anyone’s home fish tank. Originating in South American river basins – particularly …

Species name: Carassius auratus
Common names: Ranchu goldfish
Family: Cyprinidae
Order: Cypriniformes
Class: Actinopterygii (ray-finned fishes)
Maximum length: 7 inches
Minimum tank size: 50 gallon for an adult specimen

Species name: Carassius auratus
Common names: Jikin goldfish
Family: Cyprinidae
Order: Cypriniformes
Class: Actinopterygii (ray-finned fishes)
Maximum length: 9 inch (25 cm)
Minimum tank size: 50 gallon for an adult specimen

Species name: Carassius auratus
Common names: Bubble-Eye Goldfish, Water-Bubble Eye Goldfish
Family: Cyprinidae
Order: Cypriniformes
Class: Actinopterygii (ray-finned fishes)
Maximum length: 6 in (15 cm).
Minimum tank size: 50 gallon for an adult specimen