Pacific seahorse Directory References Discover 8 Must-See Paintings at the National Gallery of Art in Washington, D.C. Russian Revolution Timeline 10 Democrats Who Made History Why Do We Give Valentine Cards? Nikola Tesla's Weird Obsession with Pigeons Periods of American Literature Who Was the Woman Behind the Statue of Liberty? Contents Ask the Chatbot a Question Pacific seahorse fish Ask the Chatbot a Question Also known as: Hippocampus ingens Learn about this topic in these articles:endangered species In seahorse…habitats, some species—such as the Pacific seahorse (H. ingens)—face extinction.Read MoreBritannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information in Britannica articles. About Britannica AI.