Peces California Academie of Sciences, Dpt of Ichthyology Fish FAQ : A Bouillabaisse of Facts about Fish / Northeast Fisheries Science Center, USA.FishBase: A Global Information System on Fishes / R. Froese, D. PaulyFishlink FishScope: Zebrafish Developmental Biology Movies / Mark CooperOnline Field Guides-FishesRegulatory Fish Encyclopedia / U.S. Food & Drug AdministrationFishBaseInsectos y otros artrópodos