Children (116 direct children, 118 direct and indirect children):
Slender seahorse
Hippocampus reidi
Pygmy seahorse
Hippocampus bargibanti
New holland seahorse
White's seahorse
Flat-faced seahorse
Three-spot seahorse
Hedgehog seahorse
Hippocampus spinosissimus
Dwarf seahorse
Hippocampus zosterae
Short-snouted seahorse
Short snouted seahorse
Hippocampus sindonis
Sindo's seahorse
Hippocampus satomiae
Satomi's pygmy seahorse
Hippocampus pontohi
Pontoh`s pygmy seahorse
Hippocampus hendriki
Eastern spiny seahorse
Hippocampus fuscus
Sea pony
Bullneck seahorse
Hippocampus minotaur
Hippocampus colemani
Big-belly seahorse
Pot-bellied seahorse
Lichtenstein's seahorse
Hippocampus lichtensteinii
Zebra seahorse
Hippocampus zebra
Hippocampus kuda
(tree size 1)
Spotted seahorse
Hippocampus biocellatus
Narrow-bellied seahorse
Western spiny seahorse
Long-snouted seahorse
(tree size 1)
Seahorse
Denise's pygmy seahorse
Hippocampus denise
Knobby seahorse
Short-snouted seahorse
Réunion seahorse
Hippocampus borboniensis
Hippocampus patagonicus
Fisher's seahorse
Hawaiian seahorse
Big-head seahorse
Hippocampus grandiceps
Spiny seahorse
Thorny seahorse
Japanese seahorse
Lemur-tail seahorse
Hippocampus subelongatus
West australian seahorse
Hippocampus queenslandicus
Crowned seahorse
High-crowned seahorse
Pacific seahorse
Hippocampus ingens
Jayakar's seahorse
Hippocampus jayakari
Hippocampus montebelloensis
Monte bello seahorse
Tiger tail seahorse
Hippocampus comes
Hippocampus algiricus
West african seahorse
Hippocampus alatus
Wing-spined seahorse
Lined seahorse
Northern seahorse
Hippocampus jugumus
Great seahorse
Offshore seahorse
Giraffe seahorse
Hippocampus camelopardalis
Barbour's seahorse
Hippocampus barbouri
Cape seahorse
Knysna seahorse
Hippocampus multispinus
Hippocampus ramulosus
Seahorse
Hippocampus severnsi
Hippocampus procerus
Hippocampus semispinosus
Hippocampus slovenicus
Hippocampus sarmaticus
Hippocampus tyro
Hippocampus debelius
Hippocampus paradoxus
Hippocampus waleananus
Hippocampus pusillus
Hippocampus curvicuspis
Hippocampus taeniopterus
Hippocampus bleekeri
Hippocampus suezensis
Hippocampus haema
Hippocampus casscsio
Hippocampus planifrons
Hippocampus dahli
Hippocampus japapigu
Japanese pygmy seahorse
Hippocampus nalu
Hippocampus agnesae
Hippocampus antiquorum
Hippocampus antiquus
Hippocampus aterrimus
Hippocampus brachyrhynchus
Hippocampus brevirostris
Hippocampus brunneus
Hippocampus chinensis
Hippocampus deanei
Hippocampus ecuadorensis
Hippocampus elongatus
Hippocampus erinaceus
Hippocampus fascicularis
Hippocampus graciliformis
Hippocampus gracilis
Hippocampus gracilissimus
Hippocampus hildebrandi
Hippocampus hilonis
Hippocampus horai
Hippocampus hudsonius
Hippocampus japonicus
Hippocampus kampylotrachelos
Hippocampus kaupii
Hippocampus kincaidi
Hippocampus laevicaudatus
Hippocampus lenis
Hippocampus manadensis
Hippocampus mannulus
Hippocampus marginalis
Hippocampus melanospilos
Hippocampus moluccensis
Hippocampus natalensis
Hippocampus novaehebudorum
Hippocampus novaehollandiae
Hippocampus obtusus
Hippocampus poeyi
Hippocampus polytaenia
Hippocampus raji
Hippocampus regulus
Hippocampus rhynchomacer
Hippocampus rosamondae
Hippocampus stylifer
Hippocampus subcoronatus
Hippocampus taeniops
Hippocampus takakurae
Hippocampus tetragonous
Hippocampus tristis
Hippocampus tuberculatus
Hippocampus villosus
Hippocampus vulgaris