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  1. animaldiversity.org › accounts › Pseudemys_nelsoniADW: Pseudemys nelsoni: INFORMATION

    Sexual Dimorphism; female larger; sexes shaped differently; Range mass 1656 to 4000 g 58.36 to 140.97 oz; Average mass 1235 g 43.52 oz; Range length 250 to 350 mm 9.84 to 13.78 in; Average length 303 mm 11.93 in; Development. Florida red-bellied turtles are oviparous and lay their eggs in American alligator (Alligator mississippiensis) nests.

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  2. animaldiversity.org › accounts › Pseudemys_concinnaADW: Pseudemys concinna: INFORMATION

    Sexual dimorphism can be seen in these turtles, with adult females being larger on average (average carapace length of 287 mm) than adult males (average carapace length 223 mm). Additionally, the shells of male river cooters are flatter than that of females. Males also possess elongated fore claws as compared to females.

  3. animaldiversity.org › accounts › Pseudemys_texanaADW: Pseudemys texana: INFORMATION

    Sexual Dimorphism; female larger; sexes shaped differently; Range length 89 to 274 mm 3.50 to 10.79 in; Development. Texas river cooters rely on temperatures in the nest for sex determination. Males are produced in colder nest temperatures while females are produced in warmer nests. Nests with a temperature between 21.5°C and 27°C ...

  4. www.ncbi.nlm.nih.gov › pmc › articlesSomatic Growth and Maturity for Four Species of River Cooter...

    6 de jul. de 2023 · We found strong evidence for sexual dimorphism among the species/subspecies, with females larger than males, similar to past studies. Sexual dimorphism was the most extreme in P. c. suwanniensis, with the L ∞ of females 1.36 times greater than that of males, which is similar but lower than the Jackson estimate of 1.5 times

  5. link.springer.com › article › 10Conservation implications of somatic growth and length-at-age in

    8 de mar. de 2024 · Siders et al. reported a strong sexual dimorphism based on CL for P. c. suwanniensis and P. peninsularis while P. texana and P. nelsoni showed a weak sexual dimorphism. In our study, females were 133% larger in carapace length, 137% larger in plastron length, and 142% larger in body depth than males at asymptotic size.

  6. www.virginiaherpetologicalsociety.com › reptiles › turtlesEastern River Cooter

    Sexual Dimorphism: This species is sexually dimorphic. Adult males averaged 252.3 ± 18.1 mm CL (220-289, n = 19), 225.3 ± 16.2 mm PL (190- 256, n = 19), and 1,563.8 ± 335.0 g body mass (1,066-2,371, n = 19).

  7. www.researchgate.net › publication › 344332590_River_Cooter_Pseudemys_concinna(PDF) River Cooter (Pseudemys concinna). Wounding, conspecfic ...

    21 de sept. de 2020 · Males are equipped with sexually size dimorphic tomiodonts, tooth-like cusps of the beak, as well as a weaponized anterior shell, with which they wound the head and neck of females.