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[This corrects the article DOI: 10.1371/journal.pone.0312849.].

Cleaner fish are increasingly being deployed in aquaculture as a means of biological control of parasitic sea lice, and, consequently, the farming of wrasse and lumpfish, the main cleaner fish species in current use in salmon farming, is now one of the fastest expanding aquaculture, sectors with over 40 hatcheries in Norway alone. This book reviews and presents new knowledge on the biology of the utilised cleaner fish species, and provides protocols in cleaner fish rearing, deployment, health, and welfare.  The latest knowledge is presented on specialist technical areas, such as: cleaner fish nutrition; genetics; immunology and vaccinology; transport; and more. Contributions from over 60 leading researchers and producers give an exciting mix of information and debate. Written by a team of internationally-recognised experts in cleaner fish biology, culture, and deployment this book will be an essential purchase for hatchery managers, salmonid producers, fish farm operatives, researchers, regulators, students, and enthusiasts working with, and interested in, cleaner fish.

The fish faunas of continental South and Central America constitute one of the greatest concentrations of aquatic diversity on Earth, consisting of about 10 percent of all living vertebrate species. Historical Biogeography of Neotropical Freshwater Fishes explores the evolutionary origins of this unique ecosystem. The chapters address central themes in the study of tropical biodiversity: why is the Amazon basin home to so many distinct evolutionary lineages? What roles do ecological specialization, speciation, and extinction play in the formation of regional assemblages? How do dispersal barriers contribute to isolation and diversification? Focusing on whole faunas rather than individual taxonomic groups, this volume shows that the area's high regional diversity is not the result of recent diversification in lowland tropical rainforests. Rather, it is the product of species accumulating over tens of millions of years and across a continental arena.

Health Maintenance and Principal Microbial Diseases of Cultured Fishes, Third Edition is a thoroughly revised and updated version of the classic text. Building on the wealth of information presented in the previous edition, this new edition offers a major revision of the valuable health maintenance section, with new pathogens added throughout the book. Health Maintenance and Principal Microbial Diseases of Cultured Fishes, Third Edition focuses on maintaining fish health, illustrating how management can reduce the effects of disease.  The text is divided into sections on health maintenance, viral diseases, and bacterial diseases, and covers a wide variety of commercially important species, including catfish, salmon, trout, sturgeon, and tilapia. This book is a valuable resource for professionals and students in the areas of aquaculture, aquatic health maintenance, pathobiology, and aquatic farm management.

Armored catfishes of the genus Pterygoplichthys are naturally distributed in South America, two of their species are exotic and invasive in Mexico and have been widely reported, especially in the southeast. In this work, we report for the first time the presence of Pterygoplichthys pardalis (Castelnau, 1855) in the Noh, Chama, and Chan Laguna hydrological system. A specimen of P. pardalis was captured in the Chan Laguna area on 9 December 2024. Further research is needed to understand the dispersal pathways of this type of fish, as well as its potential effects on native fish populations and local fisheries implications. Keywords: Campeche, devil fish, fishes, invasive species

Otolith finds in situ are important for connecting the independent data sets of articulated fish skeletons and isolated otoliths in the fossil record. Here we describe an otolith in situ retrieved from a skeleton of the stromateid Pinichthys shirvanensis Bannikov, 2021, which was collected from the Tarkhanian (Langhian, Middle Miocene) from the prolific Pshekha River locality in the Krasnodar Region of the northern Caucasus, Russia. It represents the first find of an otolith in situ made in a fossil stromateoid skeleton. The extracted otolith is compared to fossil otolith-based species allocated to the genus Pampus. One of these species is being reallocated in the process to Pinichthys: Pinichthys steurbauti (Schwarzhans, 1994) from the late Oligocene to early Middle Miocene in the North Sea Basin.

This important and informative new book outlines and discusses details of the basic principles and methods that are central to any study of fish condition, from a fish ecology and fisheries biology perspective. Condition and Health Indicators of Exploited Marine Fishes describes the potential capacities of condition indicators, providing examples showing the use of these indicators to solve practical problems in connection with fish ecology and fisheries research. By focusing on wild fish populations, the book complements the increasing number of scientific works that are contributing to show how fish condition studies are key to reveal problems in marine aquaculture, the effects of pollution, fish disease, and the importance of fish in human nutrition and medicine. Condition and Health Indicators of Exploited Marine Fishes provides a comprehensive introduction to the study of fish condition that will assist advanced undergraduate and postgraduate students, researchers and professionals, working in marine ecology and biology, fisheries biology, environmental sciences and fish pathology. All universities and research establishments where biological and environmental sciences, fisheries and aquaculture are studied and taught should have copies of this book on their shelves.