In this chapter, a review on the characteristics desirable in a farmed fish species, fish as food: a comparison with terrestrial livestock, natural diets of farmed animals, domestication and genetic selection, and culture fish species are discussed.

In this chapter, two models for selecting finfish species (site-specific selection of the most suitable species and production strategy (case study in Quebec, Canada), and evaluation of commercial species attribute in terms of productivity/sustainability) are described. Emphasis of the discussion focused on the limits and constraints of each models.

The anatomy, culture, broodstock management, hatchery operations, distribution, marketing, and future perspectives of the sturgeons Acipenser brevirostrum and Acipenser oxyrinchus oxyrinchus are described.

This chapter discusses the factors, criteria and reasons that must be considered in the selection and commercialization of new or alternate aquaculture species with focus on its marketability and profitability.

In this chapter, the biology, description, culture, broodstock management, hatchery husbandry, on-growing to market stage of the wolffishes (Family: Anarhichadidae) are presented.