A new species of catfish is described from the Esmeraldas River Basin, Pacific slope, northern Ecuador. Tentatively included in Microglanis, represents the second species of the genus inhabiting the Trans-Andean region. The new species is distinguished from known congeners by a unique combination of external characteristics: head and body color pattern, uniform, pale brown, yellowish or grayish, without any kind of blotches, bands or dots, only a lunate transverse band, dark or black, at caudal-fin origin; adipose-fin origin and forward without lighter or luminous areas. Compared with M. variegatus, the new species has morphometric differences, such as the distances between dorsal and pelvic fins, and between posterior nostrils. Some osteological characteristics are compared with those observed in species of Pseudopimelodidae inhabiting the Pacific versant of Colombia and Ecuador and with some other species of Microglanis.
INTRODUCCIÓN. El Ecuador es uno de los países más biodiversos del mundo por lo que el estudio de su diversidad es de prioridad mundial. El 16 de marzo de 2020 el gobierno ecuatoriano decretó el estado de excepción, restricción de movilidad, suspensión de la jornada laboral y cierre de fronteras en el territorio nacional como medidas de protección y mitigación ante la declaratoria de pandemia por la enfermedad del COVID-19. La toma de estas resoluciones tuvo un efecto directo en el desarrollo y avance de estudios de la biodiversidad en el país. OBJETIVO. Esta investigación busca evaluar los efectos de las medidas para enfrentar el COVID-19 en el desarrollo de investigaciones relacionadas a la biodiversidad del Ecuador. MÉTODO. Se empleó metodología cuantitativa. Se realizó un cuestionario de 14 preguntas a 130 investigadores dentro de este campo de estudio. El cuestionario fue anónimo y difundido por email y redes sociales. RESULTADOS. Hasta el momento de publicación, los investigadores se encuentran realizando en su mayoría actividades científicas, tales como escritura (56%) y análisis de datos (61%). Sin embargo, proyectan una reducción de presupuestos (55%) y producción científica (46%). Si analizamos la producción científica esperada por género, las mujeres esperan publicar menos (58%) que los hombres (36%) Hasta un 25% de los investigadores han considerado cesar las actividades de su proyecto de investigación antes de su culminación y esta tendencia es mayor en el caso de estudiantes de posgrado (52%). DISCUSIÓN Y CONCLUSIONES. Nuestra encuesta identifica un ambiente de incertidumbre entre los investigadores, en el que se espera una reducción en la producción científica, que posiblemente afecte en mayor medida a mujeres y a estudiantes.
The lack of knowledge about freshwater biodiversity in remote areas like montane Andean rivers is noticeable and hinder the development of efficient conservation plans for aquatic ecosystems. Habitat requirements of tropical Andean fishes have been poorly analysed, despite the relevance of these ecological features on the fish conservation strategies. The present study aimed to examine fish assemblages along the altitudinal gradient in tropical Andean rivers and their relationship to habitat features to detect the most relevant abiotic factors and their implication on conservation. This study was conducted on a regional scale, along six basins located in tropical Andes (500 to 2,692 m a.s.l.). We studied fish diversity and distribution and their habitats along these elevation gradients. We found 6,320 specimens from 53 genera. Our analysis for the six most common and widely distributed genera (Astroblepus, Brycon, Bryconamericus, Chaetostoma, Pimelodella and Trichomycterus) underlines the relevance of hydromorphological variables on fish community structure in the Andean montane rivers, whereas human alterations seem to be less significant. These findings could be useful for current management and conservation strategies considering present threats over tropical montane rivers.
Bioblitz is a citizen global science initiative which aims to find and identify as many species of fauna and flora as possible in a specific area during a short period of time. This activity promotes the engagement of the public to learn about the biodiversity of a particular region, often in urban areas. The objective of this study was to do the first Bioblitz in Quito (Ecuador) to (1) survey the flora and fauna of Quito, specifically in the Guangüiltagua Metropolitan Park; and (2) engage citizens in such activity. This first Bioblitz, held on December 2, 2017, was organized by Universidad Tecnológica Indoamérica and Fundación Zoológica del Ecuador. The event was attended by 15 experts, 21 students, and 29 citizens, including two children under 10 years of age. Standard biological diversity assessment methods were used for amphibians, reptiles, birds, mammals, insects, aquatic macroinvertebrates, and plants. A total of 18 species of birds, two of amphibians, one reptile, 21 terrestrial invertebrates, two macroinvertebrates, one mammal, and 26 plant species were identified. This experience allowed the engagement of citizens to learn about the local biodiversity in their city.
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