Seahorse

:This article is about the fish; for other meanings of seahorse, see Seahorse (disambiguation).

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See text.

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Hippocampus is a genus of fish known as Seahorses (family Syngnathidae). They are found in temperate and tropical waters all over the world.

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Seahorses range in size from 16 mm (the recently discovered Hippocampus denise http://www.projectseahorse.org/denise.html) to 35 cm. They are notable for being one of only a few species where the males get pregnant. A seahorse pregnancy lasts approximately two to three weeks. Seahorses are also unusual among fishes for being monogamous.

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Seahorse populations have been endangered in recent years by overfishing. The seahorse is used in traditional Chinese herbology, and as many as 20 million seahorses may be caught each year and sold for this purpose (http://www.pbs.org/wgbh/nova/seahorse/vincent.html).

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Seahorses reproduce in an unusual way: the male becomes pregnant. The mating pair entwine their tails and the female aligns a long tube called ovipositor with the male's pouch. The eggs move through the tube into the male's pouch where he then fertilises them. The embryos will develop for between ten days and six weeks, depending on species and water conditions. When the male gives birth he pumps his tail until the baby seahorses emerge.

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Though close relatives of seahorses, sea dragons have bigger bodies and leaf-like appendages which enable them to hide among floating seaweed or kelp beds. Sea dragons feed on larval fishes and amphipods, such as small shrimp-like crustaceans called mysids ("sea lice"), sucking up their prey with their small mouths. Many of these amphipods feed on red algae that thrives in the shade of the kelp forests where the sea dragons live.

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Import and export of seahorses is controlled under CITES since May 15, 2004.

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Fish: : This page is about the animals. For other meanings, please see Fish (disambiguation)....

Syngnathidae: Syngnathidae is a family of fishes, including seahorses, pipehorse, pipefish and sea dragons, among others....

Tropical: REDIRECT Tropics...

Seahorse related Images and Photos (experimental)

Seahorse	Seahorse	Seahorse	Sea Horse Sings
Sea Horse-Riding	Seaweed Fishes Sea Horse Crab and Shellfish Illustrated Plates from "La Vie Sous Marine"	Seahorse Serenade II	Seahorse Serenade III
Atlantic Seahorse	Shorthead Seahorse	A Young Blue Crab and a Sea Horse	Golden Seahorse Portraits UK