Polypterus is a genus of freshwater fish in the bichir family (Family Polypteridae) of the Order Polypteriformes. The fish in this genus lived in several regions of Africa. Based on the etymology, Polypterus genus name comes from the Greek, which is a combination of words poly (many) and said pteron (wing or fin). So that said fish is a fish Polypterus "finned lot".
Basel Zoo has been successful breeding of this rare fish Polypterus. In December 2005 several Polypterus eggs "hatched" and in early 2006 the six larval Polypterus successfully hatch. Within 2 months of the sixth seed Polypterus reach a size of about 10 cm.
From the appearance of fish Polypterus aka dragon fish is not like other ornamental fish. In general, given the attractiveness of ornamental fish from the unique shape and color of her bright and beautiful, but not so with the fish Polypterus. Most people keep the fish Polypterus aka dragon fish not because of his color appeal.
the dragon, Polypterus, has an elongated body with a dorsal fin arrangement (finlet) is unique and consists of several parts with the amount varying between 7-18, in addition to the dorsal fin itself. Each finlet on the back has the ends bifida (doubleedged), and some fins only with hard spines, and the rest of the fins with soft spines. Polypterus fish's body is covered by scales ganoid like a thick bone and trapezoid.
Structure jaw dragon fish, Polypterus, more like fish tetrapod than fish teleostei. Fish dragon also has some other primitive characteristics, such as the pectoral fins of meat that glance similar to the lobe finned fish. Fish Polypterus also have a pair of spiracles slit resembling that used to blow air, two lungs with gular plate and double ventral (left lung is smaller than the right side), which allows the fish dragon to get oxygen from the air when it was in waters with little oxygen, by way of a quick swim to the surface and back down.
Polypterus fish are nocturnal, and eat several small vertebrates, crustaceans, and insects. Dragon fish, Polypterus, also has four pairs of gill arch.
Polypterus fish body has an average length of about 30 cm, but can reach a maximum length of 97 cm. Dragon fish live in an optimal water temperature range 16-27 ° C and in the range of pH 6.5 - 7. Dragon fish (Polypterus) is a carnivorous fish, they prefer the food in the living conditions in the form of small fish, but it is also willing to eat foods such as meat derived from shrimp or fish.
When seen from the way the movement in the water, fish Polypterus aka dragon fish is different from other types of ornamental fish. Dragon fish do not swim fast with fins and tail, but the fish Polypterus moving walk on the water using their fins. By way of moving that way, dragon fish does look more like a "serpent" that goes under the water, rather than a fish. There are approximately eleven species of fish Polypterus (dragon fish) that were identified, with several sub-species in it, namely
Fish Polypterus aka dragon fish is quite popular among the rare ornamental fish enthusiasts. Ideally dragon fish kept in aquariums with a length and a height of more than 1 m. Polypterus fish have the ability to jump out if the size is too small aquarium. Dragon fish is a fish predator (predator), and therefore should not maintained dragon fish along with other aquarium fish that are smaller.
Polypterus ansorgii Boulenger
Polypterus bichir Lacépède
Polypterus bichir bichir Lacépède
Polypterus bichir katangae Pol
Polypterus bichir lapradei Steindachner
Polypterus delhezi Boulenger
Polypterus endlicheri Heckel
Polypterus endlicheri congicus Boulenger
Polypterus endlicheri endlicheri
Polypterus mokelembembe Schliewen & Schäfer
Polypterus ornatipinnis Boulenger,
Polypterus palmas Ayres
Polypterus palmas buettikoferi Steindachner
Polypterus palmas palmas Ayres
Polypterus palmas polli J. P. Gosse
Polypterus retropinnis Vaillant
Polypterus senegalus Cuvier
Polypterus senegalus meridionalis Poll
Polypterus senegalus senegalus Cuvier
Polypterus teugelsi Britz
Polypterus weeksii Boulenger
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Polypterus ansorgii Boulenger
Polypterus bichir Lacépède
Polypterus bichir bichir Lacépède
Polypterus bichir katangae Pol
Polypterus bichir lapradei Steindachner
Polypterus delhezi Boulenger
Polypterus endlicheri Heckel
Polypterus endlicheri congicus Boulenger
Polypterus endlicheri endlicheri
Polypterus mokelembembe Schliewen & Schäfer
Polypterus ornatipinnis Boulenger,
Polypterus palmas Ayres
Polypterus palmas buettikoferi Steindachner
Polypterus palmas palmas Ayres
Polypterus palmas polli J. P. Gosse
Polypterus retropinnis Vaillant
Polypterus senegalus Cuvier
Polypterus senegalus meridionalis Poll
Polypterus senegalus senegalus Cuvier
Polypterus teugelsi Britz
Polypterus weeksii Boulenger
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