Fish Species of Seahorse Key
| Family | Species Name | Common Name |
| Carcharhinidae | Carcharhinus limbatus | Blacktip shark |
| Rhizoprionodon terraenovae | Atlantic Sharpnose shark | |
| Sphyrnidae | Sphyrna lewini | Scalloped Hammerhead shark |
| Sphyrna tiburo | Bonnethead shark | |
| Dasyatidae | Dasyatis smericana | Southern stingray |
| Dasyatis sabina | Atlantic stingray | |
| Elopidae | Elops saurus | Ladyfish |
| Ophichthidae | Myrophis punctatus | Speckled Worm eel |
| Clupeidae | Harengula jaguana | Scaled anchovie |
| Engraulidae | Anchoa hepsetus | Striped anchovy |
| Anchoa mitchilli | Bay anchovy | |
| Ariidae | Arius felis | Hardhead catfish |
| Bagre marinus | Gafftopsail catfish | |
| Synodontidae | Synodus foetens | Inshore lizardfish |
| Batrachoididae | Opsansus beta | Gulf toadfish |
| Hemiramphidae | Hyporhampus meeki | Silverstripe halfbeak |
| Belonidae | Strongylura marina | Atlantic needlefish |
| Tylosurus crocodilus | Houndfish | |
| Cyprinodontidae | Adinia xenica | Diamond killifish |
| Cyprinodon variegatus | Sheepshead minnow | |
| Fundulus confluentus | Marsh killifish | |
| Fundulus grandis | Gulf killifish | |
| Fundulus grandis | Longnose killifish | |
| Poeciliidae | Poecilis latipinna | Sailfin molly |
| Atherinidae | Membras martinica | Rough silversides |
| Menidia peninsulae | Tidewater silversides | |
| Syngnathidae | Anarchopterus criniger | Fringed pipefish |
| Hippocampus zosterae | Dwarf seahorse | |
| Syngnathus floridae | Dusky pipefish | |
| Syngnathus louisianae | Chain pipefish | |
| Syngnathus scovelli | Gulf pipefish | |
| Triglidae | Prionotus scitulus | Leopard searobin |
| Prionotus tribulus | Bighead searobin | |
| Serranidae | Centropristis striata | Black sea bass |
| Diplectrum formosum | Sand perch | |
| Mycteroperca microlepis | Gag | |
| Serraniculus pumilio | Pygmy sea bass | |
| Serranus subligarius | Belted sandfish | |
| Pomatomidae | Pomatomus saltatrix | Bluefish |
| Rachycentridae | Rachycentron canadum | Cobia |
| Echeneidae | Echeneis naucrates | Sharksucker |
| Echeneis neuratoides | Whitefin sharksucker | |
| Carangidae | Caranx crysos | Blue runner |
| Caranx hippos | Crevalle jack | |
| Chloroscombrus chrysurus | Atlantic bumper | |
| Oligoplites saurus | Leatherjacket | |
| Trachinotus falcatus | Permit | |
| Selene vomer | Lookdown | |
| Seriola dumerili | Greater amberjack | |
| Lutjanidae | Lutjanus griseus | Gray snapper |
| Lutjanus synagris | Lane snapper | |
| Gerreidae | Eucinostomus argenteus | Spotfin mojarra |
| Eucinostomus gula | Silver jenny | |
| Eucinostomus harengulus | Tidewater mojarra | |
| Haemulidae | Haemulon flavolineatum | French grunt |
| Heamulon plumieri | White grunt | |
| Orthopristis chrysoptera | Pigfish | |
| Sparidae | Archosargus probatocephalus | Sheepshead |
| Calamus arctifrons | Grass porgy | |
| Diplodus holbrooki | Spottail pinfish | |
| Lagodon rhomboides | Pinfish | |
| Sciaenidae | Bairdiella chrysoura | Silver perch |
| Cynoscion arenaruis | Sand seatrout | |
| Cynoscion nebulosus | Spotted seatrout | |
| Leiostomus xanthurus | Spot | |
| Micropogonias undulatus | Atlantic croaker | |
| Menticirrhus americanus | Southern kingfish | |
| Pogonias cromis | Black drum | |
| Sciaenops ocellatus | Red drum | |
| Ephippidae | Chaetodipterus faber | Spadefish |
| Mugilidae | Mugil cephalus | Striped mullet |
| Mugil gyrans | Fantail mullet | |
| Sphyraenidae | Sphyraena barracuda | Great barracuda |
| Uranoscopidae | Astroscopus y-graecum | Southern stargazer |
| Blennidae | Chasmodes saburrae | Florida blenny |
| Hypleurochilus geminatus | Crested blenny | |
| Hypsoblennius hentz | Feather blenny | |
| Callionymidae | Diplogrammus pauciradiatus | Spotted dragonet |
| Gobiidae | Gobionellus boleosoma | Darter goby |
| Gobiosoma robustum | Code goby | |
| Microgobius gulosus | Clown goby | |
| Scombridae | Scomberomorus maculatus | Spanish mackeral |
| Bothidae | Etropus crossotus | Fringed flounder |
| Achiridae | Achirus lineatus | Lined sole |
| Cynoglossidae | Symphurus plagiusa | Blackcheek tonguefish |
| Balistidae | Aluterus schoepfi | Orange filefish |
| Monacanthus ciliatus | Fringed filefish | |
| Monocanthus hispidus | Planehead filefish | |
| Ostraciidae | Lactophrys trigonus | Trunkfish |
| Tetraodontidae | Sphoeroides nephelus | Southern puffer |
| Diodontidae | Chilomycterus schoepfi | Striped burrfish |