Results 61 to 70 of about 3,711 (200)

Reproductive ecology of the endangered Beal’s-eyed turtle, Sacalia bealei [PDF]

open access: yesPeerJ, 2018
The Beal’s-eyed turtle (Sacalia bealei) is endemic to southeastern China and endangered due to poaching and habitat loss. Knowledge of S. bealei ecology is lacking and this study provides baseline information of its reproduction in a natural environment.
Liu Lin   +8 more
doaj   +2 more sources

Gonadal development in scorpion mud‐turtles, Kinosternon scorpioides, in a controlled environment

open access: yesThe Anatomical Record, Volume 309, Issue 11, Page 3455-3466, November 2026.
Stage 20 was identified as the critical point for gonadal differentiation in Kinosternon scorpioides, providing key insights into sex determination. These findings enhance conservation strategies by supporting reproductive management and population viability in both in situ and ex situ programs. Abstract Research on gonadal development including sexual
Brenda Braga   +4 more
wiley   +1 more source

Clinical management of a severe skull fracture in a loggerhead sea turtle (Caretta caretta)

open access: yesVeterinary Record Case Reports, Volume 14, Issue 4, November 2026.
Abstract A 30.6 kg loggerhead sea turtle (Caretta caretta) presented with a 2–3‐week‐old deep head wound, left neck and right cubital lacerations, and carapace fractures. Haematology revealed a marked leukocytosis, with other values unremarkable. Initial wound‐cleaning, an antibiotic course, fluids and vitamin B supplementation were initiated. Computed
Madeline Yde   +4 more
wiley   +1 more source

The cranial, mandibular, and hyoid anatomy of softshell turtles (Trionychidae): A revised character list for phylogenetic analysis

open access: yesThe Anatomical Record, Volume 309, Issue 10, Page 2790-2837, October 2026.
Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley   +1 more source

Sex‐Biased Interactions Between Spur‐Thighed Tortoises (Testudo graeca) and Hindgut Nematodes

open access: yesEcology and Evolution, Volume 16, Issue 10, October 2026.
Tortoise (Testudo graeca) responses to nematode infestation are clearly sex‐biased, where females seem more resilient to nematode infestation than males. These findings emphasizes the need for sex‐directed conservation approaches in tortoises. ABSTRACT The nature of endosymbiont interactions is driven by different ecological and evolutionary processes.
Julieta Benítez‐Malvido   +7 more
wiley   +1 more source

Figs. 35–36. Typhloelmis sanfelipe, plastron. 35 in TyphloelmisBarr (Coleoptera: Elmidae: Elminae), a New Stygobiontic Riffle Beetle Genus with Three New Species from Texas, USA

open access: yes, 2015
Figs. 35–36. Typhloelmis sanfelipe, plastron. 35) Elytron, abraded area, 4,380X; 36) Elytron, abraded area and plastron structure, 10,000X.Published as part of Barr, Cheryl B., Gibson, J. Randy & Diaz, Peter H., 2015, The Coleopterists Bulletin 69 (4) on
Diaz, Peter H.   +2 more
core   +1 more source

Plastron State and Drag Reduction of High-Performance Superhydrophobic (SHPo) Surfaces in High-Speed Turbulent Flows on Open Water [PDF]

open access: yes, 2022
Superhydrophobic (SHPo) surfaces, which may capture a thin air layer (called plastron) on them underwater, have been studied over the last two decades most notably due to their potential drag-reducing ability for water vessels.
Yu, Ning
core  

Mechanisms governing plastron retention and the implications for antifouling technologies [PDF]

open access: yes, 2018
© 2018 Dr. Jaimys ArnottMarine fouling refers to the unwanted settlement of biotic and abiotic dissolved compounds, microorganisms, plants, and animals upon surfaces immersed in seawater.
Arnott, Jaimys
core   +1 more source

Morphological variations and sexual dimorphism in Chelonoidis carbonaria (Spix, 1824) and Chelonoidis denticulata (Linnaeus, 1766) (Testudinidae)

open access: yesBrazilian Journal of Biology
Chelonoidis Dcarbonaria and C. denticulata are two tortoises which are widely distributed Brazil. Although they occur sympatrically in different areas, C. carbonaria prefers open areas, while C. denticulata chooses forest areas. Significant morphological
MS Barros   +3 more
doaj   +1 more source

First Record of Triplet Embryos in Sea Turtles: Evidence of Natural Polyembryony in a Wild Green Turtle (Chelonia mydas) Nest From Guanahacabibes, Cuba

open access: yesEcology and Evolution, Volume 16, Issue 10, October 2026.
A rare case of polyembryonic triplets in a wild green turtle (Chelonia mydas) nest demonstrates how multiple embryos can develop within a single egg under natural conditions. Morphological and embryological evidence, including independent yolk vasculature and marked asymmetry among embryos, support a monozygotic origin and highlight developmental ...
Julia Azanza‐Ricardo   +9 more
wiley   +1 more source

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