Furry Diary

Not furry, but we like them anyway.

Kuda Seahorse

Hippocampus kuda Bleeker, 1852

Also called Spotted seahorse, Common seahorse, Estuary seahorse, Yellow seahorse

SpeciesShort profile

From Indo-Pacific, from southern Africa and the Red Sea to Hawaii and French Polynesia, north to Japan and south to Australia. Aquarium fish are usually captive-bred.123

A friendly guide, not veterinary advice. For anything about your pet's health, ask your vet.

At a glance the quick version

Length15 to 30 cm123
Sizesmall

Wild fish 17 to 30 cm (maximum 30 cm total length); aquarium fish reach about 15 cm (6 in).

Gentle and peaceful
Classic seahorse look
Captive-bred fish readily eat frozen foods
32

Looks how to spot one

Bony-plated seahorse

A smooth-bodied seahorse without prominent spines, with a fairly large head, a short thick snout and a small coronet. It is often dark with a grainy texture, but can also be yellow or cream, sometimes with reddish blotches and fine dark spots.2

ColoursBlackDark brownYellowCreamReddish blotches2

Personality what they are like

Peaceful and calm. Pairs court with colour changes and coronet clicking, and adults are often seen in pairs.213

Daily activity how busy a day looks

A slow swimmer that spends much of its time hitched by its tail to branching rock, plants or decor.23

Grooming and care the hands-on bits

Rated difficult. Remove uneaten food and debris daily, keep water quality high and monitor calcium and alkalinity. Keeping the temperature at the cooler end of the range suits it well.3

Home where they are happiest

A species-focused aquarium of about 115 litres (30 US gallons) for one pair, plus about 38 litres (10 gallons) per additional pair, with gentle flow and plenty of hitching posts. Water about 22 to 26 °C (ideally around 23 to 24 °C), pH 8.1 to 8.4, specific gravity 1.020 to 1.025.32

Food basics what goes in the bowl

Frozen mysis shrimp and other small foods offered several times a day (about 4 to 5 meals). In the wild it suction-feeds on zooplankton and tiny larval fish.321

Company who they like around

Best kept in pairs or small groups in a calm tank without fast or pushy fish, or stinging corals.3

The story where it all began

Pieter Bleeker described the species in 1852. It is one of the best-known seahorses in the aquarium hobby and is now widely captive-bred.13

Fun facts for the dinner table

  1. 1

    The male's pouch can hold up to about 1,000 developing young for 20 to 28 days.1

  2. 2

    Newborn babies are only about 7 mm long.2

  3. 3

    Pairs click their coronets during courtship.2

  4. 4

    It lives in a range of shallow habitats, from estuaries and harbours to seagrass beds.2

Recognised by the official bits

IUCN Red List
Vulnerable (assessed 16 August 2012)1
CITES
Appendix II1
Taxonomy
Family Syngnathidae; described by Pieter Bleeker in 18521

The care rhythm Furry Diary remembers it for you

A typical home-care rhythm for a Kuda Seahorse. It is our own starting plan, not a vet's advice, and you can change every line in the app.

Tell me when it launches

Owner questions the things everyone asks

How often should I feed my Kuda Seahorse?

Feed your Kuda Seahorse small amounts of frozen mysis shrimp several times a day, about 4 to 5 meals. Furry Diary's starting plan suggests small amounts once or twice daily, but adjust based on your seahorse's appetite and remove any uneaten food promptly.321 Furry Diary plan

What does a Kuda Seahorse eat, and what should it never eat?

Your Kuda Seahorse thrives on frozen mysis shrimp and other small foods, as it suction-feeds on zooplankton in the wild. Never offer large, hard, or live foods that could harm its delicate snout or cause stress.321

How much space does a Kuda Seahorse need?

A single pair needs about 115 litres (30 US gallons), with an extra 38 litres (10 gallons) for each additional pair. Provide plenty of hitching posts like branching rock or plants for them to rest.32

What temperature, light or water does a Kuda Seahorse need?

Keep water temperature between 22 to 26 °C, ideally around 23 to 24 °C, with pH 8.1 to 8.4 and specific gravity 1.020 to 1.025. Gentle flow is best, and Furry Diary's plan includes daily temperature checks and weekly salinity tests.32 Furry Diary plan

How often should I clean a Kuda Seahorse's home?

Remove uneaten food and debris daily to maintain high water quality. Furry Diary's plan suggests a weekly glass clean and a 10 to 20% water change every two weeks.3 Furry Diary plan

Can a Kuda Seahorse live with others?

Yes, Kuda Seahorses are peaceful and best kept in pairs or small groups in a calm tank. Avoid fast or pushy fish and stinging corals to keep them stress-free.3

How long does a Kuda Seahorse live?

Lifespan varies depending on care and environment, so ask your exotic-pet vet or a good breeder for specific expectations. With proper husbandry, they can live several years.

Can I handle a Kuda Seahorse?

Handling is not recommended as it can stress the seahorse and damage its delicate body. Enjoy watching them hitch and swim instead.3

Written from the sources on this page, a few checked guides (VCA, ASPCA, RSPCA) and Furry Diary's own starting care plan. A friendly guide, not a vet's advice.

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Where this comes from

Every breed page shows where each fact comes from. If we got something wrong, sorry, we are pet people, not a science magazine. Tell us at [email protected] and we will fix it.

  1. FishBase: Hippocampus kuda summary fishbase.seused for distribution, depth, length, brood details, IUCN and CITES status, aquarium popularity
  2. Wikipedia: Hippocampus kuda en.wikipedia.orgused for names, description, colours, behaviour, diet, habitat, aquarium temperature
  3. LiveAquaria: Kuda Seahorse, Captive-Bred liveaquaria.comused for aquarium care level, tank size, water parameters, diet, tankmates
  4. VCA Animal Hospitals: Feeding times and frequency for your dog vcahospitals.comused for owner questions
  5. ASPCA: Dog grooming tips aspca.orgused for owner questions
  6. ASPCA: Cat grooming tips aspca.orgused for owner questions
  7. ASPCA: People foods to avoid feeding your pets aspca.orgused for owner questions
  8. RSPCA: What to feed your rabbit rspca.org.ukused for owner questions

Checked 2026-09-30. Text is written in our own words from these sources.