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About Lungfish: Lungfish also known as salamander. They are generally freshwater fish, which belong to the Subclass of Dipnoi. Lungfish is known for retaining their characteristics primitive within the Osteichthyes and they have ability to breathe in air. Today, they are found only in Africa, South America and Australia. The fossil record of lungfish suggests that advanced lungfish had a widespread freshwater distribution .

Physical features: Lungfish have two lungs, but Australian lungfish, has only one lung. The lungs are connected to the pharynx. The lungs are homologous to the lungs of tetrapods. In tetrapods and bichirs, the lungs expand from the ventral surface of the esophagus. Compared to the other species of fish, they can breathe in air via modified. vascularized gas bladders,. They are usually simple sacs with a lack of complex internal structure. The lungs of lungfish are subdivided into smaller air sacs, maximizing the area available for gas exchange.

Facts of lung fish

  • Lungfish is a carnivore animal
  • Their bodies are strong, elongated and resemble to eel.
  • The color of the fish is brown, with many dark spots sprayed all over
  • Lungfish eyes are small and blue

Habitat: Lungfishes are very interesting creature. They can live in dry season called aestivation. They hide themselves into the mud, and sometimes curl up like a ball. They can then live through the dry season until next monsoon. If you are planning to keep them as pet then, the aquarium must be large, with a deep substrate of sand or mud. Plants are highly recommended by the experts for the Lungfish. These are dirty fish, thus an efficient filtration system is very essential.

Diet: Lungfish is carnivorous animal that feed on live foods. They will, eat anything meaty such as fish or beef heart.

Breeding: During spawning eggs, male lungfish are said to have subsidiary breathing in the form of thread like appendages to their pectoral fins. Females spawn the large yoked eggs in holes dug by them in the substrate, while the male protects them viciously.

About African lung fish: There are four African lungfish species. Lungfish are carnivores and are best if kept in their own tank. They are regarded as fearless and they may attack anything that moves, including the hands of human beings. The lungfish has the ability to survive in almost any type of water conditions, as well as an area where the supply of oxygen is less.

Quick facts:

  • Name: Slender African Lungfish
  • Biological name: Protopterus annectens
  • Range: South and West Africa
  • Habitat: marshy ground and small rivers
  • Diet: frogs, toads and small fish

Physical description: They generally range in size from 70 to 200 cm. The African lungfish has two lungs, which helps them to breathe when the water dries up. The heart of the African lungfish contains four separate chambers.

Australian lungfish:
Quick facts:

  • Scientific Name: Neoceratodus forsteri
  • Other Names: Queensland Lungfish, Djellah, Ceratodus
  • Size:1 m to 1.5 m
  • Conservation Status: Vulnerable

Habitat: Australian lungfish are also known as Queensland lungfish, and it is most common in deep pools in still flowing water with some aquatic vegetation on the stream banks. Also found in clear water over mud, or sand substrate.

Diet: They are mostly carnivorous predators, feeding on frogs, tadpoles, small fish, freshwater brine shrimp and earthworms.