Biology & Life sciences - Table of Contents

October 1, 2025

The first leech body fossil predates estimated hirudinidan origins by 200 million years

Danielle de Carle, Rafael Eiji Iwama, Andrew J. Wendruff, Loren E. Babcock, Karma Nanglu

https://doi.org/10.7717/peerj.19962 PubMed 41048386

October 31, 2025

Schizopera vietnamica sp. nov. (Copepoda, Harpacticoida, Miraciidae), a new species from a mangrove zone in Vietnam, with description of a new species, and a key to the species from the Oriental region, Sulawesi, and East Asia

Ngoc-Son Tran, Thi-Phuong Pham, Minh Anh Dam, Chaichat Boonyanusith

https://doi.org/10.7717/peerj.20246 PubMed 41189575

October 30, 2025

Two new sympatric species of Phrynopus (Anura: Strabomantidae) from the Elfin Forests of Cordillera de Yanachaga in central Peru

Pablo Venegas, Luis Alberto García Ayachi, Lesly Lujan, Vilma Duran, Ana Motta

https://doi.org/10.7717/peerj.20250 PubMed 41185701

October 30, 2025

Size and body condition drive the energetic cost of a baleen whale foraging in shallow habitat

Clara N. Bird, Enrico Pirotta, Leslie New, Jamie M. Cornelius, James L. Sumich, Kate M. Colson, K.C. Bierlich, Lisa Hildebrand, Alejandro Apolo Fernández Ajó, Annie Doron, Leigh G. Torres

https://doi.org/10.7717/peerj.20247 PubMed 41185693

October 29, 2025

Urban areas promotes shifts in the proportion of prey consumed by four raptor species (Accipitridae) in Mexico

Ubaldo Márquez-Luna, Oscar Rivera-Hernández

https://doi.org/10.7717/peerj.20307 PubMed 41180482

October 24, 2025

Food selection and feeding patterns in nectarivorous bats: Leptonycteris yerbabuenae and Glossophaga soricina

Martín Hesajim de Santiago-Hernández, Alejandro Salinas-Melgoza, Alicia Chavez-Estrada, Miguel Angel Salinas-Melgoza, Mauricio Quesada, Yvonne Herrerías-Diego

https://doi.org/10.7717/peerj.20164 PubMed 41158999

October 24, 2025

Changes in mercury content in oysters in relation to sediment and seston content in the Colombian Caribbean lagoons

Anubis Vélez-Mendoza, Jeimmy Paola Rico-Mora, Néstor Hernando Campos-Campos, Margui Lorena Almario-García, Adolfo Sanjuan-Muñoz

https://doi.org/10.7717/peerj.19868 PubMed 41158998

October 23, 2025

Deriving fibroblast cell lines from wing-punch biopsies of Australian eastern bent-winged bats (Miniopterus orianae oceanensis)

Anna Langguth, Laura A. Brannelly, Christopher Turbill, Tomás Villada-Cadavid, Nicholas C. Wu, Jasmin Hufschmid, Ellen Cottingham

https://doi.org/10.7717/peerj.20222 PubMed 41146999

October 22, 2025

Influence of temperature on developmental and biochemical traits of the red squat lobster Grimothea monodon (H. Milne Edwards, 1837) during early ontogeny

Marco Quispe-Machaca, Luis Olavarría, Gabriela Torres, Ángel Urzúa

https://doi.org/10.7717/peerj.20278 PubMed 41142307

October 20, 2025

DNA metabarcoding of mites from small soil samples: limited agreement with morphological identifications but improved results from long-read sequencing

Sirle Varusk, Kaarel Sammet, Manikandan Ariyan, Khairiah Mubarak Alwutayd, Sten Anslan

https://doi.org/10.7717/peerj.20205 PubMed 41142319

October 15, 2025

Comparative analysis of fecal DNA viromes in Large-billed crows and Northern ravens reveals diverse viral profiles

Yonggang Dong, Sitong Fan, Shunfu He, Wenxin Zhao, Zhuoma Lancuo, Kirill Sharshov, Ying Li, Wen Wang

https://doi.org/10.7717/peerj.20170 PubMed 41112778

October 15, 2025

Serum proteomic profiling during the periovulatory period identifies preliminary candidate biomarkers of oocyte maturation in deslorelin-induced ovulation in dogs

Larindhorn Udomthanaisit, Sittiruk Roytrakul, Wirakan Kallayanathum, Sawanya Charoenlappanit, Theerawat Tharasanit

https://doi.org/10.7717/peerj.20106 PubMed 41112769

October 13, 2025

Identifying knowledge gaps in hypersaline systems supporting the global electrical transition: invertebrate community structure in salars from the lithium triangle

Gonzalo Salazar, Pablo Aguilar, Chris Harrod

https://doi.org/10.7717/peerj.20042 PubMed 41112758

October 13, 2025

Evidence of positive selection and a novel phylogeny among five subspecies of song sparrow (Melospiza melodia) in Alaska

Caitlyn C. Oliver Brown, Keiler A. Collier, David J. X. Tan, Kendall Mills, Fern Spaulding, Travis C. Glenn, Christin Pruett, Kevin Winker

https://doi.org/10.7717/peerj.19986 PubMed 41112773

October 9, 2025

Scanning electron microscopy (SEM) reveals high diversity of setae on the hind tibiae and basitarsi of Peruvian Stingless Bees (Apidae: Meliponini)

Marilena Marconi, Carlos Daniel Vecco-Giove, Javier Ormeño Luna, Agustín Cerna Mendoza, Emiliano Mancini, Andrea Di Giulio

https://doi.org/10.7717/peerj.19749 PubMed 41084628

October 8, 2025

From lowlands to highlands: how elevation and habitat complexity drive anuran multidimensional diversity?

Iuri Ribeiro Dias, Kássio de Castro Araújo, Jorge Mario Herrera-Lopera, Caio Vinícius de Mira-Mendes, Tadeu Teixeira Medeiros, Marcos Ferreira Vila Nova, Marcelo Felgueiras Napoli, Mirco Solé

https://doi.org/10.7717/peerj.19561 PubMed 41081103

October 7, 2025

Comparison of animal models for immune premature ovarian insufficiency

Anchun Hu, Yanli Mu, Guanyou Huang, Shuyun Zhao

https://doi.org/10.7717/peerj.20091 PubMed 41081090

October 6, 2025

Trade-offs between aquatic and terrestrial locomotion and functional parallelism in Desmognathus salamanders

Benjamin M. Fitzpatrick

https://doi.org/10.7717/peerj.20111 PubMed 41081098

October 2, 2025

Two new free-living marine species of Desmodorella (Nematoda: Desmodoridae) from the continental shelf of northeastern Brazil, with an emended generic diagnosis and a dichotomous key to the species

Alex Manoel, Patricia F. Neres, André M. Esteves