big-bellied seahorse Directory References Discover How Deadly Is Quicksand? Spies Like Us: 10 Famous Names in the Espionage Game Water Fluoridation: Just the Facts What Is the Emoluments Clause? Timeline of the 2000s Poker Hands Ranked 7 of History's Most Notorious Serial Killers Contents big-bellied seahorse fish Ask Our Chatbot a Question Ask Our Chatbot a Question Also known as: Hippocampus abdominalis Learn about this topic in these articles:seahorses In seahorseThe largest species, the big-bellied seahorse (H. abdominalis), which inhabits the waters off South Australia and New Zealand, can grow up to 35 cm (13.8 inches) in length.Read More