Ecology, Evolution and Conservation Biodiversity of Freshwater Fishes

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Freshwater Biodiversity".

Deadline for manuscript submissions: closed (24 March 2024) | Viewed by 1916

Special Issue Editor


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Guest Editor
CSIC—Museo Nacional de Ciencias Naturales (MNCN), 28006 Madrid, Spain
Interests: freshwater fish; phylogeny; phylogeography; systematics; historical biogeography; conservation biology

Special Issue Information

Dear Colleagues,

Freshwater fishes play a crucial role in maintaining the ecological balance of aquatic ecosystems and serve as important indicators of environmental health. As our world undergoes rapid changes due to anthropogenic activities and natural processes, the biodiversity of freshwater fish species faces significant challenges. Climate change, habitat destruction, pollution, and overexploitation are some of the primary factors contributing to the decline in both their populations and in the ecosystems that host them. Understanding the evolution and ecology of freshwater fish fauna is essential for implementing long-term effective conservation strategies. Studying their evolutionary history, ecological traits, and adaptations to changing environmental conditions can aid in predicting their responses to future challenges associated with this ever-changing world. It is imperative, therefore, that we prioritize the conservation of freshwater fishes, and of their ecosystems, based on robust scientific knowledge in order to safeguard their biodiversity and ensure the continued provision of essential ecosystem services.

Dr. Silvia Perea
Guest Editor

Manuscript Submission Information

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Keywords

  • freshwater fish
  • evolution
  • ecology
  • conservation
  • climate change

Published Papers (1 paper)

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Research

25 pages, 19292 KiB  
Article
Integrative Taxonomy of Turcinoemacheilus Bănărescu & Nalbant, 1964 in West Asia with the Description of Three New Species (Teleostei: Nemacheilidae)
by Arash Jouladeh-Roudbar, Saber Vatandoust, Ignacio Doadrio and Hamid Reza Ghanavi
Diversity 2023, 15(12), 1222; https://doi.org/10.3390/d15121222 - 17 Dec 2023
Viewed by 1658
Abstract
Nemacheilid fishes in the genus Turcinoemacheilus are physically small members of the ichthyofauna communities of high-altitude and mountainous freshwater ecosystems. They are all distributed in Western Asia apart from a single species, described in the Himalayas. They are usually very similar in appearance, [...] Read more.
Nemacheilid fishes in the genus Turcinoemacheilus are physically small members of the ichthyofauna communities of high-altitude and mountainous freshwater ecosystems. They are all distributed in Western Asia apart from a single species, described in the Himalayas. They are usually very similar in appearance, which complicates their proper identification and/or description. This is why it is important to use multidisciplinary and integrative taxonomical approaches in order to study their true diversity. In this study, three new species of Turcinoemacheilus are described from Iran, raising the total number of valid species to nine. Turcinoemacheilus ansari new species, is distinguished by the anus being situated behind the midpoint of the pelvic-fin and anal-fin origins and the short anal-fin base length. Turcinoemacheilus christofferi new species, differs by the anus being situated behind the midpoint of the pelvic-fin and anal-fin origins, with a complete lateral line reaching to the anterior part of the caudal fin. Turcinoemacheilus moghbeli new species, is distinguished by the anus being situated at or in front of the midpoint of the pelvic-fin and anal-fin origins, with a great pre-pelvic distance and a caudal peduncle length 1.5–2.3 times its length. In Western Asia, all Turcinoemacheilus species are well separated by molecular characters, showing between 3.6 and 14.1% uncorrected p genetic distances in the COI barcode region. This work shows the importance of studying the hidden diversity of under-sampled and understudied groups of organisms to have a clear image of true biodiversity in order to effectively conserve and protect it. Full article
(This article belongs to the Special Issue Ecology, Evolution and Conservation Biodiversity of Freshwater Fishes)
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