Fish technical sheets

THE PLATYS AND THE SWORD TAILS: Platys and swordtails have lagged behind guppies in popularity, though they are certainly among the most colorful viviparous and about as easy to breed as guppies. Perhaps it is because they are larger than guppies, especially the swordtails, which are quite large. T

THE CATFISH: Cats are probably the most variable group of fish in the world. They are found almost everywhere other fish are found, and they display many adaptations that are not found in almost any other species. Some cats, such as some of the Mochoquídeo family, which are found throughout Africa

LAKE TANGANYIKA CICHLIDS: Like Malawi, Tanganyika is one of Africa's Rift Valley lakes. Also, like Lake Malawi, it is a source of supply for numerous species of cichlids for the aquarium hobby, with more than 175 species identified so far and many more that are not yet. The water in Lake Tanganyika

THE CICHLIDS OF LAKE MALAWI: The so-called Rift Valley in Africa has a certain number of lakes that have achieved importance among aquarists as sources of supply for fish of the Cichlidae family. Two of these, Lake Malawi and Lake Tanganyika, provide most of the imported species, the former having

THE ANGEL FISH, PTEROPHYLLUM: The groups of these similar populations include the various species, of which those closely related to each other belong to the same genus. It is a rather rare occurrence for a scientist studying a given genus of fish to agree completely with previous studies of it, wh

THE ANABANTIDS: A large group of fish found in Southeast Asia, including the Philippines, and throughout most of the southern African desert, require atmospheric air in order to breathe. Not all fish in this group need atmospheric air, and not all fish that feel this need are anabantids (such as th

AFRICAN CICHLIDS FROM NON-LACUSTRE WATERS: While the current emphasis in the aquarium hobby is on the cichlids of Lake Malawi and Lake Tanganyika, there are many other African cichlids that make a brilliant and successful addition to the aquarium. Some of these (such as Kribs and jewels ) have been

THE CARACOIDS: In other times, all the fishes that are now grouped in about fifteen different families in the suborder of the Caracoids, were considered as constituting a single family, that of the Characins. When the fish of that family were reclassified (as in the 1960s by Dr. Stanley Weitzman an

Bubble fish or bubble eye fish are nothing more than a variety of goldfish, with a unique appearance, therefore they are fish of the cold water family of cyprinids. Their average life expectancy is 10 to 15 years, although there are known varieties that have managed to survive up to 20 years, when

The Shubunkin is a variety of Carassius auratus, Goldfish, Red Fish or Comet Fish, as common names accumulate, due to the great popularity of this fish. It is a fish of the Cyprinidae family, it is a cold water fish, which would be perfect living in a large aquarium, and also in an outdoor pond. Li

The Telescope fish is a variation or mutation of the famous Goldfish, Carassius Auratus, Red Fish, Golden Carpí, the red carp that we see in hundreds of ponds, throughout the world. Telescope fish is also known as Ojones fish, due to the main characteristic of its most striking morphology: its bulg

The lionhead fish is one of the most popular varieties of goldfish, and today it can be found in a large number of aquariums, whether domestic or not. The particular name of this fish is explained by the constitution of its body. When you see a colored fish, generally orange, between 15 and 18 cent