Studies on the effects of low pH on embryonic development, growth of the fry and the damage of gills of fishes

agua alevines branchie branquias ctenopharyngodon idella desarrollo embrionario eau eclosabilidad del huevo egg hatchability embryonic development fish larvae gills largura larve de poisson length longueur misgurnus anguillicaudatus mortalidad mortalite mortality ph toxicidad toxicity water