Serrated hinged terrapin

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Serrated hinged terrapin
Pelusios sinuatus1.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Pleurodira
Family: Pelomedusidae
Genus: Pelusios
Species:
P. sinuatus
Binomial name
Pelusios sinuatus
(A. Smith, 1838)
Synonyms [1]
  • Sternotherus sinuatus
    A. Smith, 1838
  • Sternothaerus sinuatus
    Boulenger, 1889
  • Pelusios sinuatus
    Schmidt, 1919

The serrated hinged terrapin (Pelusios sinuatus) is a species of turtle in the family Pelomedusidae. The species is native to East Africa and Southern Africa. There are two recognised subspecies.

Contents

Geographic range

P. sinuatus is found in Botswana, Democratic Republic of the Congo, Ethiopia, Kenya, Malawi, Mozambique, Somalia, South Africa, South Sudan, Tanzania, Zambia, and Zimbabwe. [1]

Habitat and behaviour

The preferred natural habitats of P. sinuatus are tropical lakes and rivers, where it can often be seen basking on logs, rocks, or mud banks, or even on the backs of sleeping hippopotami. [2]

Diet

P. sinuatus eats water snails, soft-weed, and insects. [2]

Description

The largest species in the genus Pelusios , P. sinuatus has a straight carapace length of up to 55 cm (22 in). Females are larger than males. Males can also be distinguished by their slightly longer tails. [2]

Defence

For defence, the hinged plastron of P. sinuatus closes to protect the head and forelimbs. The serrated hinged terrapin also secretes a foul odour when threatened. [2]

Breeding

The female serrated hinged terrapin lays seven to 25 eggs, up to 500 m (1,600 ft) from the nearest water, in October to January. Hatchlings appear in March to April. [3]

Subspecies

The following two subspecies are recognised as being valid, including the nominotypical subspecies. [1]

Etymology

The subspecific name, bottegi is in honour of Italian explorer Vittorio Bottego. [4]

See also

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References

  1. 1 2 3 Species Pelusios sinuatus at The Reptile Database www.reptile-database.org.
  2. 1 2 3 4 Broadley, Donald; Boycott, Richard (2009), Pelusios sinuatus (Smith 1838) – Serrated Hinged Terrapin, Chelonian Research Foundation, pp. 036.1–036.5, doi: 10.3854/crm.5.036.sinuatus.v1.2009 , ISBN   978-0-9653540-9-7 [ dead link ]
  3. Branch, Bill (2004). Field Guide to Snakes and other Reptiles of Southern Africa. Third Revised edition, Second impression. Sanibel Island, Florida: Ralph Curtis Books. 399 pp., 112 plates. ISBN   0-88359-042-5. (Pelusios sinuatus, p. 46 + Plate 11).
  4. Boulenger GA (1895). "Rettili e Batraci. Esplorazione del Giuba e dei suoi affluenti compiuta dal Cap. V. Bottego durante gli anni 1892–93 sotto gli auspicii della Società Geografica Italiana". Annali del Museo Civico di Storia Naturale di Genova, Serie Seconda [= Second Series] 15: 9–18. (Sternothaerus bottegi, new species). (in Italian).

Further reading