Seahorse
227 species you can see diving.
- Alligator Pipefish Syngnathoides biaculeatus
- Banded Pipefish Micrognathus crinitus
- Barbour's Seahorse Hippocampus barbouri
- Barred Shortbody Pipefish Choeroichthys cinctus
- Barred Xenia-Pipefish Siokunichthys bentuviai
- Bay Pipefish Syngnathus californiensis
- Bellybarred Pipefish Hippichthys spicifer
- Benedetto's Pipefish Corythoichthys benedetto
- Big-Belly Seahorse Hippocampus abdominalis
- Black-Striped Pipefish Syngnathus abaster
- Bluestripe Pipefish Doryrhamphus excisus
- Bony-Headed Pipefish Nannocampus subosseus
- Booth's Pipefish Halicampus boothae
- Briggs' Pipefish Histiogamphelus briggsii
- Broad-Banded Pipefish Dunckerocampus boylei
- Brock's Pipefish Halicampus brocki
- Brown-Banded Pipefish Corythoichthys amplexus
- Bull Pipefish Syngnathus springeri
- Caribbean Pipefish Syngnathus caribbaeus
- Chain Pipefish Syngnathus louisianae
- Coleman's Pygmy Seahorse Hippocampus colemani
- Common Seadragon Phyllopteryx taeniolatus
- Corrugated Pipefish Bhanotia fasciolata
- Crowned Seahorse Hippocampus coronatus
- D'Arros Pipefish Cosmocampus darrosanus
- Deep-Bodied Pipefish Leptonotus blainvilleanus
- Deepbody Pipefish Kaupus costatus
- Denise's Pygmy Seahorse Hippocampus denise
- Double-Ended Pipefish Trachyrhamphus bicoarctatus
- Duncker's Pipefish Halicampus dunckeri
- Dusky Pipefish Syngnathus floridae
- Dwarf Seahorse Hippocampus zosterae
- Edmondson's Pipefish Halicampus edmondsoni
- Egyptian Seahorse Hippocampus kelloggi
- Flat-Nosed Pipepfish Coelonotus argulus
- Flatface Seahorse Hippocampus planifrons
- Ghost Pipefish Solenostomus cyanopterus
- Gibbs' Pipefish Festucalex gibbsi
- Giraffe Seahorse Hippocampus camelopardalis
- Girdled Pipefish Festucalex cinctus
- Glittering Pipefish Halicampus nitidus
- Glowtail Pipefish Dunckerocampus chapmani
- Gray's Pipefish Halicampus grayi
- Greater Pipefish Syngnathus acus
- Guadalupe Pipefish Syngnathus insulae
- Gulf Pipefish Syngnathus scovelli
- Hairy Pipefish Urocampus carinirostris
- Half-Banded Pipefish Mitotichthys semistriatus
- Harasti's Pipefish Stigmatopora harastii
- Harlequin Ghost Pipefish Solenostomus paradoxus
- Hedgehog Seahorse Hippocampus spinosissimus
- Herre's Pipefish Siokunichthys herrei
- Honshu Pipefish Doryrhamphus japonicus
- Investigator Pipefish Cosmocampus investigatoris
- Janss' Pipefish Doryrhamphus janssi
- Japanese Pygmy Seahorse Hippocampus japapigu
- Japanese Seahorse Hippocampus mohnikei
- Jayakar's Seahorse Hippocampus jayakari
- Knysna Seahorse Hippocampus capensis
- Korean Seahorse Hippocampus haema
- Kulbicki's Pipefish Festucalex kulbickii
- Leafy Seadragon Phycodurus eques
- Lined Seahorse Hippocampus erectus
- Long-Snouted Seahorse Hippocampus guttulatus
- Longnose Seahorse Hippocampus trimaculatus
- Longsnout Pipefish Leptonotus norae
- Longsnout Pipefish Vanacampus poecilolaemus
- Longsnout Seahorse Hippocampus reidi
- Manaia Pygmy Pipehorse Cylix tupareomanaia
- Many-Banded Pipefish Dunckerocampus multiannulatus
- Many-Spotted Pipefish Corythoichthys polynotatus
- Maxweber's Pipefish Cosmocampus maxweberi
- Messmate Pipefish Corythoichthys haematopterus
- Mollison's Pipefish Mitotichthys mollisoni
- Mother-Of-Pearl Pipefish Vanacampus margaritifer
- Mushroom-Coral Pipefish Siokunichthys nigrolineatus
- Myer's Pipefish Minyichthys myersi
- Naked Pipefish Bhanotia nuda
- Negros Pipefish Doryrhamphus negrosensis
- Network Pipefish Corythoichthys flavofasciatus
- Nilsson's Pipefish Syngnathus rostellatus
- Northern Pipefish Syngnathus fuscus
- Oceanic Pipefish Penetopteryx taeniocephalus
- Ocellate Pipefish Corythoichthys ocellatus
- Offshore Pipefish Bryx veleronis
- Offshore Pipefish Micrognathus natans
- Ornate Pipefish Halicampus macrorhynchus
- Pacific Seahorse Hippocampus ingens
- Pigsnout Pipefish Choeroichthys suillus
- Pink Pipefish Bryx analicarens
- Pink Pipefish Festucalex rufus
- Pipefish Leptonotus elevatus
- Pipehorse Amphelikturus dendriticus
- Pontoh's Pygmy Seahorse Hippocampus pontohi
- Port Phillip Pipefish Vanacampus phillipi
- Prickly Pipefish Hypselognathus horridus
- Pug-Nosed Pipefish Pugnaso curtirostris
- Pugheaded Pipefish Bulbonaricus brauni
- Pygmy Seahorse Hippocampus bargibanti
- Red Pipefish Festucalex erythraeus
- Redstripe Pipefish Dunckerocampus baldwini
- Reef Pipefish Nannocampus pictus
- Reef-Flat Pipefish Nannocampus weberi
- Ribboned Pipefish Haliichthys taeniophora
- Ring-Backed Pipefish Stipecampus cristatus
- Ringed Pipefish Dunckerocampus dactyliophorus
- Rock Pipefish Phoxocampus belcheri
- Samoan Pipefish Halicampus mataafae
- Sargassum Pipefish Syngnathus typhle
- Satomi's Pygmy Seahorse Hippocampus satomiae
- Sawtooth Pipefish Maroubra perserrata
- Scribbled Pipefish Corythoichthys intestinalis
- Sculptured Pipefish Choeroichthys sculptus
- Sea Pony Hippocampus kuda
- Seaweed Pipefish Syngnathus schlegeli
- Shiho's Seahorse Hippocampus sindonis
- Short Snouted Seahorse Hippocampus hippocampus
- Short-Bodied Pipefish Choeroichthys brachysoma
- Short-Tailed Pipefish Microphis brachyurus
- Shortfin Pipefish Cosmocampus elucens
- Shorthead Seahorse Hippocampus breviceps
- Shortnose Pipefish Micrognathus andersonii
- Shortpouch Pygmy Pipehorse Acentronura tentaculata
- Shortsnout Pipefish Lissocampus filum
- Snake Pipefish Entelurus aequoreus
- Snubnose Pipefish Cosmocampus arctus
- Sodwana Pygmy Seahorse Hippocampus nalu
- Softcoral Pipefish Siokunichthys breviceps
- Softcoral Seahorse Hippocampus debelius
- Southern Gulf Pipefish Stigmatopora narinosa
- Spined Pipefish Phoxocampus diacanthus
- Spinysnout Pipefish Halicampus spinirostris
- Spotted Pipefish Stigmatopora argus
- Straightnose Pipefish Nerophis ophidion
- Straightstick Pipefish Trachyrhamphus longirostris
- Sydney's Pygmy Pipehorse Idiotropiscis lumnitzeri
- Thorntail Pipefish Micrognathus brevirostris
- Thorny Seahorse Hippocampus histrix
- Tidepool Pipefish Micrognathus micronotopterus
- Tiger Pipefish Filicampus tigris
- Tiger Tail Seahorse Hippocampus comes
- Trunk-Barred Pipefish Phoxocampus tetrophthalmus
- Tucker's Pipefish Mitotichthys tuckeri
- Upside-Down Pipefish Heraldia nocturna
- Verco's Pipefish Vanacampus vercoi
- Walea Pygmy Seahorse Hippocampus waleananus
- Wass' Pipefish Festucalex wassi
- West African Seahorse Hippocampus algiricus
- West Australian Seahorse Hippocampus subelongatus
- Western Spiny Seahorse Hippocampus angustus
- White's Seahorse Hippocampus whitei
- Whitenose Pipefish Cosmocampus albirostris
- Wide-Bodied Pipefish Stigmatopora nigra
- Worm Pipefish Nerophis lumbriciformis
- Yellowbanded Pipefish Dunckerocampus pessuliferus
- Yucatan Pipefish Syngnathus makaxi
- Zebra Seahorse Hippocampus zebra
- Armored Pipefish Solenostomus armatus
- Ball's Pipe Fish Cosmocampus balli
- Barbed Pipefish Urocampus nanus
- Barcheek Pipefish Syngnathus exilis
- Barred Pipefish Syngnathus auliscus
- Bastard Seahorse Acentronura gracilissima
- Beady Pipefish Hippichthys penicillus
- Black-Breasted Pipefish Corythoichthys nigripectus
- Blue-Spotted Pipefish Hippichthys cyanospilos
- Briarium Pipefish Apterygocampus epinnulatus
- Brushtail Pipefish Leptoichthys fistularius
- Chocolate Pipefish Syngnathus euchrous
- Collared Seahorse Hippocampus jugumus
- Cortez Pipefish Syngnathus carinatus
- Crested Pipefish Cosmocampus brachycephalus
- Davao Pughead Pipefish Bulbonaricus davaoensis
- Dunker's Pipehorse Solegnathus dunckeri
- Dwarf Pipefish Cosmocampus hildebrandi
- Elegant Pipefish Nannocampus elegans
- Few-Rayed Pipefish Bhanotia pauciradiata
- Fisher's Seahorse Hippocampus fisheri
- Freshwater Pipefish Microphis fluviatilis
- Fringed Pipefish Anarchopterus criniger
- Gale's Pipefish Campichthys galei
- Hardwicke's Pipefish Solegnathus hardwickii
- Helen's Pygmy Pipehorse Idiotropiscis larsonae
- Insular Pipefish Anarchopterus tectus
- Javelin Pipefish Lissocampus runa
- Knife-Snouted Pipefish Hypselognathus rostratus
- Ladder Pipefish Festucalex scalaris
- Lichtenstein's Seahorse Hippocampus lichtensteinii
- Long-Snouted Pipefish Stigmatopora macropterygia
- Lord Howe Pipefish Cosmocampus howensis
- Lost Pipefish Penetopteryx nanus
- Macleay's Crested Pipefish Histiogamphelus cristatus
- Muiron Pipefish Choeroichthys latispinosus
- Naia Pipefish Dunckerocampus naia
- Narrow-Snouted Pipefish Syngnathus tenuirostris
- Narrowstripe Pipefish Doryrhamphus bicarinatus
- Ocellated Pipefish Bryx randalli
- Opossum Pipefish Microphis lineatus
- Orange Pipefish Maroubra yasudai
- Paradoxical Seahorse Hippocampus paradoxus
- Paxton's Pipefish Corythoichthys paxtoni
- Pigsnout Pipefish Doryrhamphus malus
- Pipefish Ichthyocampus carce
- Prophet's Pipefish Lissocampus fatiloquus
- Pugnose Pipefish Bryx dunckeri
- Red Pipefish Notiocampus ruber
- Renny's Pipefish Choeroichthys hadiatyae
- Roughridge Pipefish Cosmocampus banneri
- Roughsnout Ghost Pipefish Solenostomus paegnius
- Sargassum Pipefish Syngnathus pelagicus
- Saw Pipefish Trachyrhamphus serratus
- Schultz's Pipefish Corythoichthys schultzi
- Shortfin Pipefish Choeroichthys smithi
- Shortpouch Pygmy Pipehorse Acentronura breviperula
- Shorttail Pipefish Microphis millepunctatus
- Smooth Pipefish Lissocampus caudalis
- Sodwana Pygmy Pipehorse Cylix nkosi
- Southern Little Pipehorse Idiotropiscis australis
- Southwell's Pipefish Siokunichthys southwelli
- Starry Pipefish Halicampus punctatus
- Texas Pipefish Syngnathus affinis
- Thorntailed Pipefish Micrognathus pygmaeus
- Thread Pipefish Kyonemichthys rumengani
- Three-Keel Pipefish Campichthys tricarinatus
- Tryon's Pipefish Campichthys tryoni
- Western Crested Pipefish Mitotichthys meraculus
- Zavora Pipefish Halicampus zavorensis