What types of seahorse are there?

Answer 1

There are about 40 different types or species of Seahorses found in the world. Among them are the common seahorse, leafy dragon seahorse, pygmy seahorse, Pacific seahorse, and big belly seahorse.
there are about fifty
Hippocampus abdominalis - Big Belly Sea Horse

Hippocampus aimei - Freshwater Sea Horse

Hippocampus algiricus - West African Sea Horse

Hippocampus angustus - Western Australian Sea Horse or Narrow-bellied Sea Horse

Hippocampus antiquorum -

Hippocampus barbouri - Barbour's Sea Horse

Hippocampus bargibanti - Bargibant's Sea Horse or Pygmy Sea Horse

Hippocampus borboniensis - Réunion Sea Horse

Hippocampus breviceps - Short-snouted Sea Horse or Short-head Sea Horse

Hippocampus brevirostris - Short-snouted Sea Horse or Short-nosed Sea Horse

Hippocampus camelopardalis - Giraffe Sea Horse

Hippocampus capensis - Spinach pipefish or Knysna Sea Horse

Hippocampus comes - Tiger tail Sea Horse

Hippocampus coronatus - Japanese Sea Horse or Red and Black Sea Horse

Hippocampus dahli - Synonym for Hippocampus planifrons

Hippocampus denise - Denise's pygmy seahorse

Hippocampus erectus - Atlantic Lined Sea Horse or Northern Sea Horse

Hippocampus fisheri - Fisher's Sea Horse

Hippocampus fuscus - Black Sea Horse or Sea pony

Hippocampus guttulatus - Long-snouted Sea Horse

Hippocampus heptagonus - Synonym for Hippocampus erectus

Hippocampus hilonis - Synonym for Hippocampus kuda

Hippocampus hippocampus - Short-snouted Sea Horse

Hippocampus histrix - Yellow Sea Horse or Thorny Sea Horse

Hippocampus hudsonius - Synonym for Hippocampus erectus

Hippocampus hunsonius punctulatus - Synonym for Hippocampus erectus

Hippocampus ingens - Pacific Sea Horse or California Sea Horse

Hippocampus jayakari - Jayakar's Sea Horse

Hippocampus kelloggi - Great Sea Horse

Hippocampus kuda - Oceanic Sea Horse or Kellogg's Sea Horse or Common Sea Horse or Yellow Sea Horse or Spotted Sea Horse

Hippocampus laevicaudatus - Synonym for Hippocampus erectus

Hippocampus lenis - Synonym for Hippocampus planifrons

Hippocampus lichtensteinii - Lichtenstein's Sea Horse

Hippocampus melanospilos - Synonym for Hippocampus kuda

Hippocampus minotaur - Bullneck Sea Horse

Hippocampus mohnikei - Japanese Sea Horse

Hippocampus moluccensis - Synonym for Hippocampus kuda

Hippocampus novae-hollandiae - Synonym for Hippocampus whitei

Hippocampus obtusus -

Hippocampus planifrons - Dahl's Sea Horse

Hippocampus polytaenia - Synonym for Hippocampus kuda

Hippocampus punctulatus - Synonym for Hippocampus erectus

Hippocampus ramulosus - Mediterranean Sea Horse

Hippocampus regulus -

Hippocampus reidi - Brazillian Sea Horse

Hippocampus rhynchomacer - Synonym for Hippocampus kuda

Hippocampus sindonis - Dhiho's Sea Horse

Hippocampus spinosissimus - Hedgehog Sea Horse

Hippocampus subelongatus - West Australian Sea Horse

Hippocampus taeniopterus - Synonym for Hippocampus kuda

Hippocampus takakurae - Tanaka Threespot Sea Horse

Hippocampus trimaculatus - Longnose Sea Horse

Hippocampus tristis - Sad Sea Horse

Hippocampus whitei - Crowned Sea Horse or Sydney Sea Horse or New Holland Sea Horse or White's Sea Horse

Hippocampus zosterae - Dwarf Sea Horse

This information comes from the related link.