Results 121 to 130 of about 273 (209)

Assessment of two minimally invasive methodologies for sex identification in the European eel, Anguilla anguilla

Journal of Fish Biology, EarlyView.
Abstract Sex is an important driver of variation in behaviour, ecology and physiology. Sex identification in the Critically Endangered European eel (Anguilla anguilla) currently requires fish sacrifice, or the use of morphological differences such as body length, which can be inaccurate in certain habitats and at intermediate body lengths.
Michael J. Williamson, Jack A. Brand, Kevin Hopkins, Luke O'Connor, Matthew W. Perkins, Christopher Sergeant, Simon Spiro, Taina Strike, Jessica Whinfield, Rosie S. Williams, Ethan Wrigglesworth, Rosalind M. Wright, Adam T. Piper   +12 more
wiley   +1 more source

Bayesian hierarchical stock–recruitment models for setting conservation limits for Atlantic salmon stocks in Scotland

Journal of Fish Biology, EarlyView.
Abstract Atlantic salmon (Salmo salar L.) populations in Scotland are subject to active management and conservation practices which require biological reference points (BRPs), specifically conservation limits, defined at the level of the stock. Acquiring the data necessary to independently derive these BRPs for all managed populations in Scotland is ...
James P. Ounsley, Nora N. Hanson, Gordon W. Smith, Jonathan P. Gillson, Brian A. Shields, Stuart J. Middlemas   +5 more
wiley   +1 more source

Speciation of European bullheads (Cottus spp.): The next problem for taxonomy of northern freshwater fishes

Journal of Fish Biology, EarlyView.
Abstract High morphological and ecological diversity displayed by European bullheads led Freyhof et al. (2005) to describe 15 nominal species. However, the basis for declaring these nominal species is contentious due to a lack of rigorous statistical analysis of morphological variations among populations, limitations in the inferences made from ...
David S. Murray, Vladimír Kováč, David Wright, Gordon H. Copp   +3 more
wiley   +1 more source

Points vs. passes: A comparison between electric fishing techniques for sampling fish populations in upland headwater streams

Journal of Fish Biology, EarlyView.
Abstract Point‐abundance sampling by electric fishing (PASE) was compared with single‐pass (DF1) and triple‐pass depletion sampling (DF3) electric fishing on the same reaches of four headwater streams sampled over multiple years in the Ribble catchment, UK. Juvenile salmonids, mostly brown trout Salmo trutta with some Atlantic salmon S.
Reagan H. Pearce, Martin R. Perrow, Mark L. Tomlinson, Kirsty A. Turner   +3 more
wiley   +1 more source

Bony fish genomes: Status and gaps

Journal of Fish Biology, EarlyView.
Abstract Bony fish constitute an exceptionally species‐rich group of aquatic vertebrates, comprising more than 95% of all living fish. The adaptive processes on the diversity of environments they inhabit make them a highly diverse group from taxonomic, morphological and evolutionary standpoints.
Noelia Pérez‐Pereira, Carmen Bouza, Paulino Martínez, Diego Robledo   +3 more
wiley   +1 more source

Histological characterisation of gonadal sex differentiation in Malabar red snapper (Lutjanus malabaricus) for aquaculture advancement

Journal of Fish Biology, EarlyView.
Abstract The Malabar red snapper (Lutjanus malabaricus) is a high‐value tropical marine species receiving growing attention for aquaculture development in Singapore and Southeast Asia. At present, seed production relies primarily on uncontrolled mass spawning in sea cages, a practice that lacks consistency, biosecurity and control of genetic ...
Bing Liang, Dean R. Jerry, Joyce Koh, Purushothaman Kathiresan, Celestine Terence, Xueyan Shen, Grace Loo, Shubha Vij, Jose A. Domingos   +8 more
wiley   +1 more source

First Report of ‘Soft Flesh’ Induced by the Parasite Kudoa thyrsites (Myxosporea) in Commercial Codfish From Norway

Journal of Fish Diseases, Volume 48, Issue 4, April 2025.
ABSTRACT Kudoa thyrsites is a myxosporean parasite that infects the skeletal muscle of various teleost fish species globally. Severe infections lead to ‘soft flesh’ in fish fillets, resulting in food spoilage and subsequent discard. While K. thyrsites has previously been identified in migratory Atlantic mackerel in the northern Northeast Atlantic Ocean,
Lucilla Giulietti, Arne Levsen, Miguel Bao, Egil Karlsbakk, Julia E. Storesund, Hui‐Shan Tung, Paolo Cipriani   +6 more
wiley   +1 more source

The First Report of Cod Gill Poxvirus in Gills of Atlantic Cod (Gadus morhua L.) Suffering From Cardiorespiratory Disease

Journal of Fish Diseases, Volume 48, Issue 4, April 2025.
ABSTRACT Atlantic cod farming experiences renewed growth in Norway, and increased awareness is essential to address emerging diseases in this species. There are few reports on gill diseases in cod, and to date, no viral gill infections of cod have been documented. In this study, we collected samples from three sequential time points in summer 2023 from
Mona C. Gjessing, Torstein Tengs, Hanne Nilsen, Saima Mohammad, Simon C. Weli   +4 more
wiley   +1 more source

Salmos

Atenea (Concepción), 1954
openaire   +1 more source

First Description and Characterisation of Lactococcus garvieae Strains Causing Septicaemic Disease in Farmed Sea Bass (Dicentrarchus labrax; Linnaeus) in Spain

Journal of Fish Diseases, EarlyView.
ABSTRACT This study presents the first description and characterisation of Lactococcus garvieae isolated from diseased European sea bass (Dicentrarchus labrax) farmed in Spain. During autumn 2023, two fish farms were affected by infectious outbreaks causing moderate cumulative fish mortality (5%–10%). Diseased fish showed clinical signs of haemorrhagic
Belén Fouz, Evelyn Carballeda‐Carrasco, Javier Barriga‐Cuartero, Yolanda Torres‐Corral, Álvaro Robles, Carlos Zarza, Ysabel Santos   +6 more
wiley   +1 more source