Shane Gross / Double-ended Pipefish (Syngnathoides biaculeatus) hides in a struggling seagrass meadow near Malapascua, Philippines.

Claudio Contreras / Double-ended Pipefish (Syngnathoides biaculeatus), Batasan Island, Danajon Bank, Central Visayas, Philippines, April

Claudio Contreras / Double-ended Pipefish (Syngnathoides biaculeatus), Batasan Island, Danajon Bank, Central Visayas, Philippines, April

Claudio Contreras / Double-ended Pipefish (Syngnathoides biaculeatus), Batasan Island, Danajon Bank, Central Visayas, Philippines, April

Fred Bavendam / Double-ended Pipefish (Syngnathoides biaculeatus) male carrying eggs on his abdomen, Manado, North Sulawesi, Indonesia

Chris Newbert / Double-ended Pipefish (Syngnathoides biaculeatus) 60 feet deep, Papua New Guinea

Juergen Freund / Alligator pipefish {Syngnathoides biaculeatus} underwater, Indo Pacific

Juergen Freund / Alligator pipefish head portrait, Indo-Pacific

Jacob Guy / Short-pouch pygmy pipehorse (Acentronura tentaculata) resting on seabed and looking around, Indonesia, Pacific Ocean.

Shane Gross / Double-ended pipefish (Syngnathoides biaculeatus) with eggs. Manado, North Sulawesi, Indonesia.