All species - Project Seahorse (2024)

Other common names: Pot-bellied seahorse

Range: Australia & New Zealand

Size: up to 35 cm (13.8 in)

Red List status: Least Concern

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Range: West Africa

Size: up to 19 cm (7.5 in)

Red List status: Vulnerable

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Other common names: western Australian seahorse, western spiny seahorse

Range: Northern Australia

Size: up to 16 cm (6.3 in)

Red List status: Least Concern

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Range: Indo-Pacific

Size: up to 15 cm (5.9 in)

Red List status: Vulnerable

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Range: Indo-Pacific

Size: Up to 2.4 – 2.7 cm (0.9 – 1.1 in)

Red List status: Data Deficient

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Other common names: knobby seahorse, short-headed seahorse, short-snouted seahorse

Range: Southern Australia

Size: up to 10 cm (3.9 in)

Red List status: Least Concern

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Range: Western Indian Ocean

Size: up to 10 cm (3.9 in)

Red List status: Data Deficient

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Other common name: Cape seahorse

Range: Southern Africa

Size: up to 12 cm (4.7 in)

Red List status: Endangered

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Range: China

Size: up to 13.3 cm (5.2 in)

Red List status: Data Deficient

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Range: Indo-Pacific

Size: up to 2.6 cm (1 in)

Red List status: Data Deficient

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Range: Southeast Asia

Size: up to 18.7 cm (7.4 in)

Red List status: Vulnerable

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Other common name: high-crowned seahorse

Range: Japan & South Korea

Size: up to 12.7 cm (8.7 in)

See Also

Seahorses | National Geographic

Range: Red Sea to Pakistan

Size: up to 14 cm (5.5 in)

Red List status: Least Concern

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Range: Australia

Size: up to 4.4 cm (1.7 in)

Red List status: Data Deficient

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Other common name: Kellogg’s seahorse

Range: Indo-Pacific to E. Africa to China & Australia

Size: up to 28 cm (11 in)

Red List status:Vulnerable

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Other common names: common seahorse, estuary seahorse, yellow seahorse, spotted seahorse

Range: Indo-Pacific to E. Africa to China & Australia

Size: up to 17 cm (6.7 in)

Red List status:Vulnerable

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Range: S. Australia

Size: up to 5 cm (2 in)

Red List status: Data Deficient

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Other common name:lemur-tail seahorse

Range: Japan & Korea to Thailand

Size: up to 8 cm (3.2 in)

Red List status:Vulnerable

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Range: South Africa

Size: up to 2.2 cm (0.9 in)

Red List status: Not Evaluated

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Range: Indo-Pacific to E. Africa to China & Australia

Size: up to 6.5 cm (2.6 in)

Red List status: Data deficient

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Range: Brazil to Argentina

Size: up to 10.3 cm (4.1 in)

Red List status: Vulnerable

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Range: Australia

Size: up to 22 cm (8.7 in)

Red List status: Least Concern

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Other common name: Pontoh’s pygmy seahorse

Range: Indo-Pacific

Size: up to 1.7 cm (0.7 in)

Red List status: Least Concern

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Other common name: dwarf thorny seahorse

Range: New Caledonia

Red List status: Data Deficient

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Other common name: longsnout seahorse

Range: North Carolina (USA) to Brazil

Size: up to 17.5 cm (6.9 in)

Red List status: Near Threatened

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Other common name: Satomi’s pygmy seahorse

Range: Indo-Pacific

Size: up to 1.4 cm (0.6 in)

Red List status: Data Deficient

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Other common names: Shiho’s seahorse, painted seahorse

Range: Japan

Size: up to 8 cm (3.2 in)

Red List status: Least Concern

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Other common name: Queensland seahorse

Range: Indo-Pacific

Size: up to 17.2 cm (6.8 in)

Red List status:Vulnerable

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Range: W. Australia

Size: up to 20 cm (7.9 in)

Red List status: Data Deficient

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Other common names: flat-faced seahorse, longnose seahorse, low-crowned seahorse

Range: Indo-Pacific

Size: up to 17 cm (6.7 in)

Red List status:Vulnerable

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Range: Seychelles

Size: up to 6.1 cm (2.4 in)

Red List status: Data Deficient

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Other common name: Walea pygmy seahorse

Range: Indonesia

Size: up to 1.8 cm (0.7 in)

Red List status: Not Evaluated

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Other common names: New Holland seahorse, Sydney seahorse

Range: Solomon Islands, E. Australia

Size: up to 13 cm (5.1 in)

Red List status: Endangered

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Range: Australia

Red List status: Data Deficient

Size: up to 9.4 cm (3.7 in)

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Range: Gulf of Mexico

Size: up to 2.5 cm (1 in)

Red List status: Least Concern

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FAQs

What are the 47 species of seahorses? ›

All species

abdominalis (Bigbelly seahorse) ...
algiricus (West African seahorse) ...
angustus (Narrow-bellied seahorse) ...
barbouri (Barbour's seahorse) ...
bargibanti (Bargibant's pygmy seahorse) ...
breviceps (Short-head seahorse) ...
camelopardalis (Giraffe seahorse) ...
capensis (Knysna seahorse)

More items...

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Are seahorses going to be extinct? ›

They have been on the endangered list since 2004. It is predicted that they will be extinct in the next 30 years. Please support the seahorse farms!

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What is the rarest type of seahorse? ›

The rarest.

The Knysna seahorse is the worlds most elusive and endangered seahorse. This species is only found across three fragmented, local estuaries on the south coast of South Africa. Threatened with extinction and is now totally protected by law.

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Are seahorses asexual? ›

They are monogamous with one partner for their whole lives. Every day they meet in the male's territory and perform a sort of dance where they may circle each other or an object, change colour, and even hold tails. When the female is ready to transfer her eggs and the male is ready to accept, mating begins.

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Is a sea horse a sea dragon? ›

Seadragons are in the same family as seahorses (Syngnathidae) but they are different in a number of ways. Seahorses are quite common and are found in tropical and subtropical waters all around the world, while seadragons are exclusively found near Australia.

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What are purple seahorses called? ›

bargibanti. Here is the pygmy bargibanti seahorse (Hippocampus bargibanti, also named seahorse pygmy gorgonians). It most often has small bumps of pink-purple or yellow-orange color. A purple bargibanti hippocampus poses on its gorgonian branch. ( Triton Bay, West Papua, Indonesia, March 2016)

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Are dried seahorses illegal? ›

Ecommerce sites, including eBay and Etsy, allowed curio products to be easily purchased throughout the U.S. The growth in the seahorse curio market and its potential impact on seahorse populations led eBay to add dried seahorses to its “Animals and Wildlife Product Policy” that bans the sale in the U.S. of all ...

Do all seahorse babies survive? ›

After that, the offspring must fend for themselves. Large litters are necessary because only about 0.5 percent will survive to adulthood. Many, if not all, of the 47 known seahorse species—14 of which were identified only in the 21st century—are in decline worldwide.

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Is there a pink seahorse? ›

Walea soft coral pygmy seahorse (Hippocampus waleananus) lives on and around soft coral. The soft coral have fat stems and this seahorse has a correspondingly long tail. They vary from pale pink to yellow.

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What type of seahorse is pink? ›

Denise's pygmy seahorse (Hippocampus denise)

denise can live on different types of gorgonian genera. After choosing a seafan to live on the baby pygmy gets its final color which can range from yellow to orange or pink and body texture adapting to its new house. It grows to a maximal size of 24 mm.

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Do seahorses have 2 genders? ›

Seahorses are not one of those animals who change their sex. The female lays the eggs and the male carries the fertilized eggs on his back. They remain male and female.

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How long is a seahorse pregnant? ›

The female deposits eggs into the male's pouch after a mating dance and pregnancy lasts about 30 days. While inside the pouch, the male supplies nutrients to his developing embryos, before giving birth to up to 1,000 babies.

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What are baby seahorses called? ›

A baby seahorse is called a “fry.” When the time is right for the babies to be born, the males will bend their bodies back and forth until a tiny seahorse pops out of the pouch.

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How many species of seahorses are there in the world? ›

There are at least 50 species of seahorses. You'll find seahorses in the world's tropical and temperate coastal waters, swimming upright among seaweed and other plants. Seahorses use their dorsal fins (back fins) to propel slowly forward.

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How many breeds of seahorses are there? ›

There are 47 different species of seahorses and 14 of those were discovered in the last eight years, including Pontoh's pygmy seahorse (Hippocampus pontohi), which was officially named in 2008.

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What are the 3 species of sea dragon? ›

There are three species of seadragons in the world—leafy (Phycodurus eques), weedy (Phyllopteryx taeniolatus), and the more recently discovered ruby (Phyllopteryx dewysea).

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What is the most endangered seahorse? ›

The Knysna seahorse, Hippocampus capensis, is the world's most endangered seahorse species, and it presently survives in only three estuaries on the South African south coast.

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