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The Pacific seahorse (''Hippocampus ingens'') is a species of fish in the Syngnathidae family. It is found in Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico, Panama, Peru, and the United States. Its natural habitat is coral reefs. It is threatened by habitat loss. The genus name is derived from the Greek. *Rings: 11+39 (38-40) *Snout length: *Head length: *Dorsal fin rays: 18-21 covering 2+1 rings *Pectoral fin rays: 15-17 *Coronet: medium-high, tilted backwards with 5 well-defined points, or flanges at top. *Spines: variable, from low rounded bumps to well-developed blunt-tipped spines. *Other distinctive characters: prominent, long (drooping), rounded, single cheek spines; prominent eye spine (may be broad or almost double); males commonly have a prominent keel; sexually mature females often have a dark patch below the anal fin. *Color/Pattern: reddish-maroon, gray, yellow and gold; various shades of brown; may have fine white light and dark markings running vertically down body. ==World range and habitat== The Pacific seahorse is found in the Pacific Ocean from San Diego, California, (USA) to Peru including the Galápagos Islands. It is active during the day and night. It is found in offshore waters, at depths of 2m to 30m and is occasionally caught at the surface. Are often camouflaged within brown algae or the branches of gorgonians and black coral trees where they are seen to curl their tail around the branches. Have been found in the stomachs of Pacific Yellowfin tuna and Bluefin tuna. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pacific seahorse」の詳細全文を読む スポンサード リンク
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