Results 31 to 40 of about 2,093 (111)

Diversidad de la ictiofauna de la laguna Hule, Costa Rica

open access: yesCuadernos de investigación UNED, 2018
La laguna Hule es un cráter de origen volcánico que se ha inundado con el tiempo, dando como resultado una gran masa de agua, sin estudios previos sobre su comunidad de peces.
José Pablo Barquero-González   +3 more
doaj   +1 more source

Los peces desérticos del bajo río Pisco, costa del Pacífico, Ica, Perú

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
Este estudio aborda la fauna íctica registrada en el bajo río Pisco en Ica, costa central de Perú. Se examinaron los especímenes depositados en la Colección Ictiológica MUSM, que incluye evaluaciones de campo realizadas en el cauce principal del río ...
José Apaza   +7 more
doaj   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Early evolution of the gular musculature and its innervation in ray‐finned fishes

open access: yesThe Anatomical Record, EarlyView.
Abstract Gular muscles are an important but often overlooked component of cranial anatomy in bony fishes. They are located on the ventral surface of the head and are derived from the mandibular and hyoid arches. We present a comprehensive review of the gular musculature and its innervation across early diverging actinopterygian lineages. By integrating
Aléssio Datovo   +4 more
wiley   +1 more source

Effects of Glyphosate on the Planktonic Microbiota: An Experimental Approach

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Glyphosate is one of the most widely used herbicides in the world, including in Brazil, and its dispersion through habitats and surface waters can impact entire aquatic ecosystems. However, experimental studies evaluating the effects of pesticides on whole planktonic communities, considering attributes such as richness, density and composition—
Melissa Progênio   +7 more
wiley   +1 more source

Un libro sobre Ictiología

open access: yesMarine and Fishery Sciences, 2020
La Editorial Universitaria de Mar del Plata acaba de publicar un texto sobre Ictiología que fue dirigido por María Berta Cousseau, con la colaboración de varios especialistas: Martín D. Ehrlich, Daniel Figueroa, Nidia Fabré y Juan Martín Díaz de Astarloa.
Enrique Boschi
doaj  

Revision of the Astyanax orthodus species-group (Teleostei: Characidae) with descriptions of three new species

open access: yesEuropean Journal of Taxonomy, 2018
The Astyanax orthodus species-group includes nine species: Astyanax boliviensis sp. nov., A. bopiensis nom. nov., A. embera sp. nov., A. gandhiae sp. nov., A. moorii comb. nov., A. orthodus, A. superbus, A. villwocki and A. yariguies comb. nov. The group
Raquel I. Riuz-C   +4 more
doaj   +1 more source

DNA barcoding uncovers two putative new species in Trachelyopterus (Siluriformes: Auchenipteridae)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Trachelyopterus is a cryptic genus within the Neotropical catfish family Auchenipteridae with a complex history of taxonomic revisions. Despite the notable morphological and genetic similarities among its species, some studies suggest that the genus harbours greater diversity than is currently recognized, including additional species yet to be
Fiorindo José Cerqueira   +9 more
wiley   +1 more source

Hydropower effects on Prochilodus magdalenae (Prochilodontidae) reproduction: evidence from endocrine response

open access: yesRevista Mvz Cordoba, 2019
Objective. Describe the endocrine response associated with the reproduction of a tropical potamodromous fish under changes in the flow discharge produced by hydropower in an Andean. Materials and methods.
Daniela De Fex-Wolf   +2 more
doaj   +1 more source

Fishes from Chira River basin, Piura, Peru

open access: yesRevista Peruana de Biología, 2022
Chira River is located on the north coast of Peru. The lack of knowledge of the ichthyofauna from coastal drainages from Peru is noteworthy. The aim of this study is to characterize the ichthyofauna along the Chira River basin in terms of diversity and ...
Vanessa Meza-Vargas   +4 more
doaj   +1 more source

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