A new species of Microglanis (Siluriformes: Pseudopimelodidae) from the Pacific slope of Ecuador

Tobes, Ibon; Falconí-López, Ana; Valdiviezo‐Rivera, Jonathan; Provenzano-Rizzi, Francisco

doi:10.1590/1982-0224-2019-0023

Cited by 5 publications

(7 citation statements)

References 17 publications

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“…As well as the retreat of the glaciers, the decline of snow and ice in the Andes [151][152][153]. Other authors have studied its forests and their diversity [154], freshwater ecosystems [155], as well as the discovery of new species [156][157][158][159][160][161][162][163]. Due to the importance of the Galapagos Islands, water security and water quality have been studied [164][165][166], the impact on fishery resources [167,168], damage caused by plastic waste [169], the effects on the soils of complex agrosystems [170] and air quality [171].…”

Section: Intellectual Structure Of Scientific Productionmentioning

confidence: 99%

Scientific Research in Ecuador: A Bibliometric Analysis

et al. 2021

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Ecuador has shown a growth in its scientific production since 2011, representing 85% of the total historical production. These investigations are reflected in scientific publications, which address world interest topics and serve as a link for the university, business, and society. This work aims to analyze the scientific production generated by Ecuador in the period of 1920–2020 using bibliometric methods to evaluate its intellectual structure and performance. The methodology applied in this study includes: (i) terms definition and search criteria; (ii) database selection, initial search, and document compilation; (iii) data extraction and software selection; and finally, (iv) analysis of results. The results show that scientific production has been consolidated in 30,205 documents, developed in 27 subject areas, in 13 languages under the contribution of 84 countries. This intellectual structure is in harmony with the global context when presenting research topics related to “Biology and regional climate change”, “Higher education and its various approaches”, “Technology and Computer Science”, “Medicine”, “Energy, food and water”, and ”Development and applications on the Web”. Topics framed in the Sustainable Development Goals (SDGs), sustainability, climate change, and others. This study contributes to the academic community, considering current re-search issues and global concerns, the collaboration between universities and countries that allow establishing future collaboration links.

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Section: Intellectual Structure Of Scientific Productionmentioning

confidence: 99%

Scientific Research in Ecuador: A Bibliometric Analysis

et al. 2021

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“…The fish fauna is composed of some species that occur in the Guayas drainage (see below) and other rivers combined with some species that are unique to this drainage, such as the newly described pseudopimelodid Microglanis berbixae Tobes et al . ( 2020 ), or shared with the Santiago‐Cayapas drainage. Jimenez‐Prado et al .…”

Section: Fish Diversity and The Major Drianage Basins Of Ecuadormentioning

confidence: 99%

“…In the most recent national list of the freshwater fishes of Ecuador, Barriga (2012) included 951 species, most of which are in the Amazon region and the Amazon slopes of the Andes (Table 1). Since the publication of this list, new freshwater fish species have been described while others have been synonymized (e.g., Arbour et al, 2014;Crampton et al, 2016;Lujan et al, 2015b;Provenzano & Barriga-Salazar, 2018;Tobes et al, 2020). Jimenez- updated the list for Western Ecuador, removing over 100 species listed in Barriga (2012) that are primarily estuarine.…”

Section: Fish Diversity and The Major Drianage Basins Of Ecuadormentioning

confidence: 99%

Conservation threats and future prospects for the freshwater fishes of Ecuador: A hotspot of Neotropical fish diversity

Aguirre

Alvarez‐Mieles

Anaguano‐Yancha³

et al. 2021

Journal of Fish Biology

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Freshwater fish communities in Ecuador exhibit some of the highest levels of diversity and endemism in the Neotropics. Unfortunately, aquatic ecosystems in the country are under serious threat and conditions are deteriorating. In 2018–19, the government of Ecuador sponsored a series of workshops to examine the conservation status of Ecuador's freshwater fishes. Concerns were identified for 35 species, most of which are native to the Amazon region, and overfishing of Amazonian pimelodid catfishes emerged as a major issue. However, much of the information needed to make decisions across fish groups and regions was not available, hindering the process and highlighting the need for a review of the conservation threats to Ecuador's freshwater fishes. Here, we review how the physical alteration of rivers, deforestation, wetland and floodplain degradation, agricultural and urban water pollution, mining, oil extraction, dams, overfishing, introduced species and climate change are affecting freshwater fishes in Ecuador. Although many of these factors affect fishes throughout the Neotropics, the lack of data on Ecuadorian fish communities is staggering and highlights the urgent need for more research. We also make recommendations, including the need for proper enforcement of existing environmental laws, restoration of degraded aquatic ecosystems, establishment of a national monitoring system for freshwater ecosystems, investment in research to fill gaps in knowledge, and encouragement of public engagement in citizen science and conservation efforts. Freshwater fishes are an important component of the cultural and biological legacy of the Ecuadorian people. Conserving them for future generations is critical.

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“…The order Siluriformes is a highly diverse group encompassing at least 3975 valid species (Fricke, Eschmeyer & Fong, 2020) and a growing number of new species are being described (Shibatta, 2016;Ruiz, 2016;Shibatta & Vari, 2017;Shibatta, 2019;Tobes et al, 2020). Within this order, Pseudopimelodidae (Bumblebee catfishes) is a small monophyletic family of Neotropical catfishes, broadly distributed across different river basins in South America, from the Atrato River in Colombia to the Río de la Plata in Argentina (Ferraris Jr, the names P. schultzi and P. bufonius, this study integrated molecular and morphological analyses, including osteology and external morphology, to address the taxonomic status of Pseudopimelodus species inhabiting the Magdalena-Cauca River Basin.…”

Section: Introductionmentioning

confidence: 99%

Two new species ofPseudopimelodusBleeker, 1858 (Siluriformes: Pseudopimelodidae) from the Magdalena Basin, Colombia

Restrepo-Gómez

Rangel-Medrano

Márquez

et al. 2020

PeerJ

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The family Pseudopimelodidae is widely distributed in South America and includes 51 described species organized in seven genera. Only two of four species of the genus Pseudopimelodus have been recorded for the trans-Andean basins of Colombia, Pseudopimelodus bufonius and P. schultzi, whose similarity in external morphology make their identification difficult. We performed a phylogenetic analysis using a fragment of the Cytochrome C Oxidase subunit 1 gene (COI), and analyzed osteological and traditional morphometric characters to study Pseudopimelodus from the Colombian trans-Andean region. Results provided strong support for two clades phylogenetically related to Pseudopimelodus, that showed clear-cut molecular, osteological, and morphometric differences from previously described bumblebee catfishes. Based on these results, we describe two Pseudopimelodus species from the Magdalena-Cauca River Basin: P. magnus sp. nov. with 43–44 vertebrae, dorsal-fin spine with serrations on its anterior margin; lateral margin of transverse process of the fourth vertebra of the Weberian complex forming an acute angle in ventral view and P. atricaudus sp. nov. with 39 vertebrae, dorsal-fin spine smooth on its anterior margin and a dark, vertical band covering 3/4 of the caudal fin with base of rays and tip of caudal-fin lobes hyaline.

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A new species of Microglanis (Siluriformes: Pseudopimelodidae) from the Pacific slope of Ecuador

Cited by 5 publications

References 17 publications

Scientific Research in Ecuador: A Bibliometric Analysis

Scientific Research in Ecuador: A Bibliometric Analysis

Conservation threats and future prospects for the freshwater fishes of Ecuador: A hotspot of Neotropical fish diversity

Two new species ofPseudopimelodusBleeker, 1858 (Siluriformes: Pseudopimelodidae) from the Magdalena Basin, Colombia

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