Home›Echinoderms›NatureServe Rank›GNR UnrankedBrowse ByGNR UnrankedFactsGNR UnrankedSourcesComments (0)Reader Challenges (0)FactsComparisonReproductive ModeWell-attestedOviparous (Egg-Laying) 1GNR UnrankedFilter Results5 entriesCommon GroupAllSea Stars (Asteroidea) (4)Sea Urchins and Sand Dollars (Echinoidea) (1)Everyday GroupAllSea Stars (Asteroidea) (4)Sea Urchins and Sand Dollars (Echinoidea) (1)HabitatAllIntertidal Zone (4)Marine (1)Where It LivesAllBelgium (2)Canada (3)Denmark (2)France (2)Ireland (2)Mexico (2)Morocco (2)Netherlands (2)Norway (4)Panama (1)Portugal (2)Sweden (2)Turkey (2)United Kingdom (2)United States (4)West Africa (2)Conservation StatusAllCritically Endangered (1)Not Evaluated (4)DietAllCarnivore (4)Herbivore (1)System (Realm)AllMarine (5)Living or ExtinctAllYes (5)Relationship to PeopleAllAgricultural or Structural Pest (1)Ecotourism and Research (1)Hunted or Fished (3)CITES AppendixAllNot Listed (5)EcosystemAllKelp Forests (2)TaxonomyAllAsteroidea (4)Echinoidea (1)Show ResultsBrowseCompareSelect all 5Asterias RubensGNR UnrankedCommon StarfishGNR UnrankedOchre Sea StarGNR UnrankedPurple Sea UrchinGNR UnrankedSunflower Sea StarGNR UnrankedSources1. Wikipedia: Echinodermtier 2WikipediaEchinoderm, Reproduction sectionQuote, Echinoderm, Reproduction sectionThe eggs and sperm cells are typically released into open water, where fertilisation takes place.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.