How natural diversity is maintained is an evolutionary puzzle. Genetic variation can be
eroded by drift and directional selection but some polymorphisms persist for long time …

Salmonid fishes may reside within or migrate between stream and lake habitats, or undergo
anadromous migrations between freshwater and the ocean. While the degree of anadromy …

Infectious pancreatic necrosis (IPN) is a viral disease with considerable negative impact on
the rainbow trout (Oncorhynchus mykiss) aquaculture industry. The aim of the present work …

The availability of diverse ecological niches can promote adaptation of trophic
specializations and related traits, as has been repeatedly observed in evolutionary …

Characterizing the role of different mutational effect sizes in the evolution of fitness-related
traits has been a major goal in evolutionary biology for a century. Such characterization in a …

The construction of dams and water diversions has severely limited access to spawning
habitat for anadromous fishes. To mitigate for these impacts, hatchery programs rear and …

Many studies exclude loci exhibiting linkage disequilibrium (LD); however, high LD can
signal reduced recombination around genomic features such as chromosome inversions or …

On November 15, 2018, the National Marine Fisheries Service (NMFS) received a petition
from the Friends of the Eel River to separate summer-run steelhead in the Northern …

Los piojos de mar (Caligus rogercresseyi) son los ectoparásitos que causan las mayores
pérdidas productivas en la industria de la acuicultura, especialmente en Chile. El salmón …

Elaborate animal displays serve crucial functions as animals attempt to deploy displays
precisely to maximize reproductive rewards and minimize potential costs. These costs …