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

iSeahorse/iNaturalist profile

Range: West Africa

Size: up to 19 cm (7.5 in)

Red List status: Vulnerable

iSeahorse/iNaturalist profile

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

iSeahorse/iNaturalist profile

Range: Indo-Pacific

Size: up to 15 cm (5.9 in)

Red List status: Vulnerable

iSeahorse/iNaturalist profile

Range: Indo-Pacific

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

Red List status: Data Deficient

iSeahorse/iNaturalist profile

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

iSeahorse/iNaturalist profile

Range: Western Indian Ocean

Size: up to 10 cm (3.9 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

Other common name: Cape seahorse

Range: Southern Africa

Size: up to 12 cm (4.7 in)

Red List status: Endangered

iSeahorse/iNaturalist profile

Range: China

Size: up to 13.3 cm (5.2 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

Range: Indo-Pacific

Size: up to 2.6 cm (1 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

Range: Southeast Asia

Size: up to 18.7 cm (7.4 in)

Red List status: Vulnerable

iSeahorse/iNaturalist profile

Other common name: high-crowned seahorse

Range: Japan & South Korea

Size: up to 12.7 cm (8.7 in)

See Also

7 Seahorse Species From Under the Sea

Range: Red Sea to Pakistan

Size: up to 14 cm (5.5 in)

Red List status: Least Concern

iSeahorse/iNaturalist profile

Range: Australia

Size: up to 4.4 cm (1.7 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

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

iSeahorse/iNaturalist profile

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

iSeahorse/iNaturalist profile

Range: S. Australia

Size: up to 5 cm (2 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

Other common name:lemur-tail seahorse

Range: Japan & Korea to Thailand

Size: up to 8 cm (3.2 in)

Red List status:Vulnerable

iSeahorse/iNaturalist profile

Range: South Africa

Size: up to 2.2 cm (0.9 in)

Red List status: Not Evaluated

iSeahorse/iNaturalist profile

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

Size: up to 6.5 cm (2.6 in)

Red List status: Data deficient

iSeahorse/iNaturalist profile

Range: Brazil to Argentina

Size: up to 10.3 cm (4.1 in)

Red List status: Vulnerable

iSeahorse/iNaturalist profile

Range: Australia

Size: up to 22 cm (8.7 in)

Red List status: Least Concern

iSeahorse/iNaturalist profile

Other common name: Pontoh’s pygmy seahorse

Range: Indo-Pacific

Size: up to 1.7 cm (0.7 in)

Red List status: Least Concern

iSeahorse/iNaturalist profile

Other common name: dwarf thorny seahorse

Range: New Caledonia

Red List status: Data Deficient

iSeahorse/iNaturalist profile

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

iSeahorse/iNaturalist profile

Other common name: Satomi’s pygmy seahorse

Range: Indo-Pacific

Size: up to 1.4 cm (0.6 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

Other common names: Shiho’s seahorse, painted seahorse

Range: Japan

Size: up to 8 cm (3.2 in)

Red List status: Least Concern

iSeahorse/iNaturalist profile

Other common name: Queensland seahorse

Range: Indo-Pacific

Size: up to 17.2 cm (6.8 in)

Red List status:Vulnerable

iSeahorse/iNaturalist profile

Range: W. Australia

Size: up to 20 cm (7.9 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

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

iSeahorse/iNaturalist profile

Range: Seychelles

Size: up to 6.1 cm (2.4 in)

Red List status: Data Deficient

iSeahorse/iNaturalist profile

Other common name: Walea pygmy seahorse

Range: Indonesia

Size: up to 1.8 cm (0.7 in)

Red List status: Not Evaluated

iSeahorse/iNaturalist profile

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

iSeahorse/iNaturalist profile

Range: Australia

Red List status: Data Deficient

Size: up to 9.4 cm (3.7 in)

iSeahorse/iNaturalist profile

Range: Gulf of Mexico

Size: up to 2.5 cm (1 in)

Red List status: Least Concern

iSeahorse/iNaturalist profile

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...

How many seahorse species are there? ›

There are 46 recognised species of seahorses. Given their superior camouflage and the subtle differences between some species, taxonomists have long struggled on delineating and identifying them based on appearance alone.

Will seahorses go extinct? ›

The 300 or so species often have limited ranges in coastal regions and freshwater lakes and rivers around the world, and many require specialized habitats, making them susceptible to disturbance. As a result, researchers found, at least 6% of these species and up to 38% are threatened and at some risk of extinction.

Tell Me More ›

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.

Know More ›

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.

Show Me More ›

Do female seahorses exist? ›

After completing an elaborate courtship dance that may go on for hours or days, the female seahorse transfers her mature eggs into the male's brood pouch, where they are fertilized.

Find Out More ›

What color is a real seahorse? ›

The basic color of the lined seahorse varies from gray, orange, brown, yellow and red to black while brown specimens tend to be paler on their front side.

Show Me More ›

Is finding a seahorse rare? ›

We rarely come into contact with a Seahorse in their natural environment, making them rare to see.

Show Me More ›

Are dried seahorses illegal? ›

Approximately 98% of the dried seahorses that were traded pre-CITES would now be illegal, sent from countries that have set bans on export of seahorses. The corollary is that about 95% of the dried seahorses traded through Hong Kong in 2016-2017 came from countries with trade suspensions, so were illegal.

View Details ›

Do all seahorse babies survive? ›

Like most fish species, seahorses do not nurture their young after birth. The infants are at risk of predators or ocean currents, which wash them away from feeding grounds or into temperatures too extreme for their delicate bodies. They have a survival rate of less than 0.5%.

Learn More ›

Are seahorses edible? ›

Seahorses are often dried and ground into a powder, and added by Chinese consumers to rice wine, tea or soup. The country's billion-strong population means a national appetite for any product can have an enormous impact.

Keep Reading ›

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.

Read The Full Story ›

What type of seahorse is pink? ›

Bargibant's pygmy seahorse grows to a maximum length of 0.94 inches (2.4 cm) and has rounded tubercles on its body that matches the color and shape of its host gorgonian coral. This species is usually one of two colors: purple with pink tubercles or yellow with orange tubercles, depending on the host gorgonian's color.

Discover More Details ›

What are the 7 levels of classification for a seahorse? ›

Seahorses. Classification: Kingdom: Animalia, Phylum: Chordata, Class: Osteichthyes, Order: Gasterosteiformes, Family: Syngnathidae, Genus: Hippocampus, and many species. Seahorses are a marine fish belonging to the genus Hippocampus of the family Syngnathidae.

Keep Reading ›

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).

Learn More ›

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.

Learn More Now ›

Did giant seahorses exist? ›

The largest seahorse species (pictured here) is Hippocampus abdominalis , or the big-bellied seahorse, which can reach more than a foot long (35 cm) and lives in the waters off Southern Australia and New Zealand.

Keep Reading ›

All species - Project Seahorse (2024)

FAQs

What are the 47 species of seahorses? ›

Are seahorses edible? ›

References