Results 41 to 50 of about 31,731 (168)

Hábitos alimenticios de Sphoeroides testudineus (Perciformes: Tetraodontidae) en el sistema lagunar de Ría Lagartos, Yucatán, México

open access: yesRevista de Biología Tropical, 2013
Sphoeroides testudineus, es una especie dominante en los sistemas costeros de Yucatán. Debido a su amplia distribución, ocurrencia y abundancia realiza un importante papel funcional en los ecosistemas costeros.
Ariel Adriano Chi-Espínola   +1 more
doaj  

Producto 4.2 Informe con el análisis de diversidad de mamíferos, anfibios, reptiles, aves, colémbolos, himenópteros terrestres, lepidópteros diurnos, coleópteros escarabeidos y melolóntidos, e insectos estridulantes, ictiofauna, macrófitas, macroinvertebrados, perifiton, fitoplancton y zooplancton. Peces

open access: yes, 2022
El muestreo de la comunidad de peces contempló un análisis multiescala incluyendo la espacial y estacional. Así mismo, fueron contemplados cuatro tipos de ambientes acuáticos lo que permitió establecer las diferentes asociaciones entre la composición de ...

core  

Reef fish assemblages impacted by sponges overgrowing corals

open access: yesEcosphere, Volume 17, Issue 6, June 2026.
Abstract Numerous stressors are driving long‐term declines in coral cover on coral reefs, significantly impacting reef fish biodiversity and community structure. The benthic space made available by declining coral cover is often occupied by increases in other organisms, including macroalgae, encrusting ascidians, and sponges.
Saúl González‐Murcia   +3 more
wiley   +1 more source

Detección de Plesiomonas shigelloides mediante la PCR en tilapias silvestres (Oreochromis mossambicus) y cultivadas (Tetrahíbrido O. mossambicus í— O. urolepis hornorum í— o. niloticus í— O. aureus) en Venezuela

open access: yesRevista Científica, 2010
Plesiomonas shigelloides es un bacilo Gram negativo, anaerobio facultativo, móvil, que pertenece a la familia Enterobactereaceae. No forma parte de la flora normal del humano, mientras que los peces dulceacuícolas como las tilapias se tienen como su ...
Marianella Moreno   +4 more
doaj  

Innovative Drug Delivery Systems for the Treatment of Glaucoma

open access: yesMedComm – Biomaterials and Applications, Volume 5, Issue 2, June 2026.
This review aims to provide a comprehensive overview of current topical drug delivery strategies for ocular hypotensive agents in glaucoma therapy. Additionally, it discusses the potential impact of emerging nanotechnological and biomaterial‐based systems in shaping the future of ophthalmic drug delivery, with an emphasis on enhancing efficacy, safety,
Jing Chu   +9 more
wiley   +1 more source

Los peces de aguas profundas [PDF]

open access: yes, 2018
¿Qué peces viven en las grandes profundidades del océano?¿Qué características tienen para poder subsistir allí?Fil: Díaz de Astarloa, Juan Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del
Mabragaña, Ezequiel   +1 more
core  

The prechoroidal cleft in neovascular age‐related macular degeneration

open access: yesActa Ophthalmologica, Volume 104, Issue 4, Page 364-375, June 2026.
Abstract The prechoroidal cleft is a lenticular, hypo‐reflective space on optical coherence tomography imaging, located between a band of fibrovascular material underneath the retinal pigment epithelium (RPE) and Bruch's membrane. It occurs in 8%–22% of neovascular age‐related macular degeneration (nAMD) eyes, most often with macular neovascularization
Niels J. Brouwer   +3 more
wiley   +1 more source

Life history of Mexican species of the genus Tlaloc (Cyprinodontiformes, Profundulidae)

open access: yesTropical Zoology
Fish of the genus Tlaloc are distributed from southern Mexico to Central America and are a distinctive example of the endemic fauna of the Mesoamerican highlands, which has been scarcely studied in Mexico.
Manuel d. J. Anzueto-Calvo   +6 more
doaj   +1 more source

Disrupción edocrina en peces

open access: yesRevista Colombiana de Ciencias Pecuarias, 2012
Summary The exposure ofüving creatures to endocrine disruptors is universal, as they are scattered throughout the world as a resutí of its widespread use. The variety of endocrine disruptors is very broad and growing every day, including chemicals synthesized by humans, additionally to substances found naturaüy in the environment.
Aranzazu Taborda, Diego Alfonso   +2 more
openaire   +3 more sources

Evaluating the empirical basis for threat attribution in the IUCN Red List

open access: yesConservation Biology, Volume 40, Issue 3, June 2026.
Abstract Understanding the impacts of different threats on species is key to successful conservation interventions and policies. The International Union for Conservation of Nature (IUCN) assesses threats to species, and the organization's Red List of Threatened Species is a key conservation tool.
Ena Humphries   +5 more
wiley   +1 more source

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