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The article describes the matamata turtle (Chelus fimbriata) and its characteristics, including a rugged carapace, skin flaps on the neck, and a long snorkel-like nose. It is noted that there are two genetically and morphologically distinct species of matamata turtles: Chelus orinocensis and Chelus fimbriata. The matamata turtle is a specialized fish predator and mainly inhabits the Amazon and Orinoco river basins. The article also discusses the courtship, mating, and egg-laying of the matamata turtle in its natural habitat. It is pointed out that the species is endangered due to gold mining and capture with trawl nets. The author provides recommendations for the appropriate care and feeding of the matamata turtle and warns against fatty liver disease caused by a diet that is too high in fat. [Extracted from the article]

The article presents the discussion on Matamata being one of the most unusual turtle species. Topics include video clip posting on YouTube showing some anglers collecting several juveniles from the muddy bottom of a water course; and distance of the cloaca to the plastron being only a little larger in male specimens.

The article discusses the breeding of the Northern snake-necked turtle Chelodina oblonga that lives in North Australia and New Guinea in 2016. Topics covered include the species' description, habitat and natural history, husbandry, mating, diseases, and oviposition and hatching. Also noted is the opinion that Chelodina oblonga juveniles hatch at about the same time in the natural habitat at the start of the rain season.