Elseya dentata (Northern Snapping Turtle)

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Home > Turtle Database > Elseya dentata (Northern Snapping Turtle)

Credit: https://en.wikipedia.org/wiki/Elseya_dentata

Elseya dentata, commonly known as the Northern Snapping Turtle, is a large freshwater turtle species native to Australia. It is recognized for its unique physical characteristics and adaptability to different freshwater environments.

Native To These Regions

Northern Territory (Australia), Queensland (Australia)

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Scientific Classification

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Reptilia
  • Order: Testudines
  • Family: Chelidae
  • Genus: Elseya
  • Species: Elseya dentata

Common Names

  • Northern Snapping Turtle
  • Dentate Tortoise

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Identification

  • Description: Elseya dentata is a large freshwater turtle with a broad, oval-shaped shell that can reach up to 40 cm (16 in) in length. The carapace is typically dark brown or black, while the plastron is lighter, often yellowish. Its neck is covered in distinctive fleshy tubercles, giving it a rugged appearance.
  • Sexual Dimorphism: Females are generally larger than males. Males have longer, thicker tails compared to females, who also have a more rounded plastron.

Check more turtles from the Elseya genus

Elseya schultzei (Schultze’s Snapping Turtle)

Elseya rhodini (Southern New Guinea Stream Turtle)

Elseya papua (Merauke snapping turtle)

Native Origin and Distribution

  • Geographical Range: This species is native to northern Australia, primarily found in the Northern Territory and parts of Queensland. It inhabits the river systems in these regions, with populations mainly around the Daly and Victoria Rivers.

Preferred Habitat

Elseya dentata prefers slow-moving or still freshwater habitats such as rivers, creeks, and billabongs. It is often found in areas with abundant aquatic vegetation and submerged logs, providing shelter and foraging grounds.

Behavior

  • Feeding Habits: This turtle is omnivorous, feeding on a variety of plant matter, insects, crustaceans, and small fish. Its broad, crushing jaws allow it to consume hard-shelled prey such as snails.
  • Predators: Hatchlings and juveniles face predation from birds, larger fish, and reptiles. Adult turtles have fewer natural predators but may fall prey to crocodiles.

Reproduction

  • Breeding Season: Elseya dentata typically breeds during the wet season, from November to February.
  • Reproductive Method: Females lay eggs in sandy or gravelly banks near water bodies. Clutches generally contain 8-20 eggs, which incubate for several months before hatching.

Conservation

  • Extinction Status: Not currently endangered; classified as Least Concern by the IUCN.
  • Threats: Habitat loss due to human activities like agriculture, pollution, and dam construction poses threats to this species. Predation by invasive species like feral pigs is also a concern.
  • Conservation Measures: Conservation efforts include habitat protection and research on population dynamics. Some areas in northern Australia provide protected environments for their survival.

Economic Importance

Elseya dentata plays a role in maintaining the balance of freshwater ecosystems, contributing to pest control by preying on insects and other small aquatic organisms.

Interesting Facts

  • Elseya dentata can live for several decades in the wild.
  • The species can remain submerged for long periods, using a specialized method of oxygen absorption through its skin, particularly around the cloacal area.
  • Despite being called the “snapping turtle,” it is not aggressive towards humans like the American snapping turtle.

About Author

Muntaseer Rahman started keeping pet turtles back in 2013. He also owns the largest Turtle & Tortoise Facebook community in Bangladesh. These days he is mostly active on Facebook.