sabounié [France and Belgium] – synonym of Oedalechilus labeo
sabre argenté [France and Belgium] – synonym of Lepidopus caudatus
sabre noir [France and Belgium] – synonym of Aphanopus carbo
sabre [France and Belgium] – synonym of Lepidopus caudatus
sabre [France and Belgium] – synonym of Trichiurus lepturus
saddled bream [UK and USA] – synonym of Oblada melanura
saddled snake eel [UK and USA] – synonym of Pisodonophis semicinctus
sadko sculpin [UK and USA] – synonym of Cottunculus sadko
Saemundsson, 1949: 13. – synonym of Triglops murrayi
Sagre commun [France and Belgium] – synonym of Etmopterus spinax
Sagre nain [France and Belgium] – synonym of Etmopterus pusillus
Sagre rude [France and Belgium] – synonym of Etmopterus princeps
sailfin dory [UK and USA] – synonym of Zenopsis conchifer
Sailfin roughshark [UK and USA] – synonym of Oxynotus paradoxus
sailfish [UK and USA] – synonym of Istiophorus albicans
sailfishsucker [UK and USA] – synonym of Remora osteochir
Sailray [UK and USA] – synonym of Raja lintea
saint-pierre[France and Belgium] – synonym of Zeus faber
saithe [UK and USA] – synonym of Pollachius virens
salamun [Tunesia, Algeria, Morocco] – synonym of Argyrosomus regius
salema [UK and USA] – synonym of Sarpa salpa
salmon smooth-head [UK and USA] – synonym of Conocara salmonea
salmon [UK and USA] – synonym of Salmo salar
salmonete [France and Belgium] – synonym of Pseudupeneus prayensis
sand goby [UK and USA] – synonym of Pomatoschistus lozanoi
sand goby [UK and USA] – synonym of Pomatoschistus minutus
sand shark [UK and USA] – synonym of Eugomphodus taurus
sand smelt [UK and USA] – synonym of Atherina hepsetus
sand smelt [UK and USA] – synonym of Atherina presbyter
sand sole [UK and USA] – synonym of Solea lascaris
Sand tiger shark [UK and USA] – synonym of Eugomphodus taurus
Sandbar shark [UK and USA] – synonym of Carcharhinus plumbeus
Sandy ray [UK and USA] – synonym of Raja circularis
sanglier [France and Belgium] – synonym of Capros aper
sanoure [Tunesia, Algeria, Morocco] – synonym of Conger conger
sanzo's goby [UK and USA] – synonym of Lesueurigobius sanzoi
sar à grosses lèvres [France and Belgium] – synonym of Diplodus cervinus
sar à museau pointu [France and Belgium] – synonym of Diplodus puntazzo
sar à tête noire [France and Belgium] – synonym of Diplodus vulgaris
sar commun [France and Belgium] – synonym of Diplodus sargus
sar rayé [France and Belgium] – synonym of Diplodus sargus
sar tambour [France and Belgium] – synonym of Diplodus puntazzo
sar [France and Belgium] – synonym of Diplodus sargus
sar [France and Belgium] – synonym of Diplodus vulgaris
sarag [former Yugoslavia] – synonym of Diplodus vulgaris
saran [France and Belgium] – synonym of Serranus cabrilla
sarato's goby [UK and USA] – synonym of Gobius fallax
sardien [Netherlands and Belgium] – synonym of Sardina pilchardus
sardine commune [France and Belgium] – synonym of Sardina pilchardus
sardine [France and Belgium] – synonym of Sardina pilchardus
sargassum anglerfish [UK and USA] – synonym of Histrio histrio
sargue [France and Belgium] – synonym of Diplodus annularis
sarko crveni [former Yugoslavia] – synonym of Xyrichthys novacula
sarun [former Yugoslavia] – synonym of Trachurus mediterraneus
sarun [former Yugoslavia] – synonym of Trachurus trachurus
saumon argente [France and Belgium] – synonym of Oncorhynchus keta
saumon atlantique [France and Belgium] – synonym of Salmo salar
Saumon coho [France and Belgium] – synonym of Oncorhynchus kisutch
saumon rose [France and Belgium] – synonym of Oncorhynchus gorbuscha
saumon [France and Belgium] – synonym of Salmo salar
saupe de mer rouge [France and Belgium] – synonym of Crenidens crenidens
saupe [France and Belgium] – synonym of Sarpa salpa
saurel [France and Belgium] – synonym of Trachurus mediterraneus
saurel [France and Belgium] – synonym of Trachurus trachurus
Sawback angelshark [UK and USA] – synonym of Squatina aculeata
sbouga [Tunesia, Algeria, Morocco] – synonym of Boops boops
scaldfish [UK and USA] – synonym of Arnoglossus imperialis
scaldfish [UK and USA] – synonym of Arnoglossus laterna
scale-rayed wrasse [UK and USA] – synonym of Acantholabrus palloni
Scalloped hammerhead [UK and USA] – synonym of Sphyrna lewini
scalloped ribbonfish [UK and USA] – synonym of Zu cristatus
schar [Netherlands and Belgium] – synonym of Limanda limanda
schartong [Netherlands and Belgium] – synonym of Lepidorhombus whiffiagonis
schelvis [Netherlands and Belgium] – synonym of Melanogrammus aeglefinus
Scheponopodus prototypus Canestrini, 1872, Fauna Italia, (3): 112 (type locality: Italy; variation of spelling of Skeponopodus N – synonym of Tetrapturus belone
scherpsnuit [Netherlands and Belgium] – synonym of Raja oxyrinchus
schmidt's goby [UK and USA] – synonym of Gobius strictus
Schnakenbeck's searsid [UK and USA] – synonym of Sagamichthys schnakenbecki
schol [Netherlands and Belgium] – synonym of Pleuronectes platessa
schotje [Netherlands and Belgium] – synonym of Salmo trutta
schrapper [Netherlands and Belgium] – synonym of Atherina presbyter
schurftvis [Netherlands and Belgium] – synonym of Arnoglossus laterna
Scomber trachurus Pallas, 1811, Zoogr. rosso-asiat., 3: 218. – synonym of Trachurus mediterraneus
Scopelus gemellarii: Günther, 1864: 415 | Canestrini, 1872: 126. – synonym of Lobianchia gemellarii
scorba [Ar – synonym of Sciaena umbra
Scorpaena (Helicolenus) dactyloptera: Buen, 1919: 47 – synonym of Helicolenus dactylopterus
scorpion-fish [UK and USA] – synonym of Trachyscorpia echinata
scour [Tunesia, Algeria, Morocco] – synonym of Labrus bergylta
scour [Tunesia, Algeria, Morocco] – synonym of Labrus bimaculatus
scour [Tunesia, Algeria, Morocco] – synonym of Labrus merula
scour [Tunesia, Algeria, Morocco] – synonym of Labrus viridis
scour [Tunesia, Algeria, Morocco] – synonym of Symphodus ocellatus
scour [Tunesia, Algeria, Morocco] – synonym of Symphodus tinca
scour-fish [UK and USA] – synonym of Ruvettus pretiosus
sea bass [UK and USA] – synonym of Dicentrarchus labrax
sea bass [UK and USA] – synonym of Dicentrarchus punctatus
sea lamprey [UK and USA] – synonym of Petromyzon marinus
sea or brown trout [UK and USA] – synonym of Salmo trutta
sea scorpion [UK and USA] – synonym of Taurulus bubalis
sea snail [UK and USA] – synonym of Liparis liparis
sea-cat [UK and USA] – synonym of Anarhichas lupus
sea-horse [UK and USA] – synonym of Hippocampus hippocampus
sea-horse [UK and USA] – synonym of Hippocampus ramulosus
Searsia schnakenbecki Krefft, 1953b, Zool. Anz., 151(9/10): 259-266, part. (ISH no. 50/11c only). – synonym of Holtbyrnia macrops
seascorpion [UK and USA] – synonym of Myoxocephalus scorpius
Sébaste américain [France and Belgium] – synonym of Sebastes fasciatus
seheli [UK and USA] – synonym of Liza carinata
Selar il de buf [France and Belgium] – synonym of Selar boops
senegal sea bream [UK and USA] – synonym of Diplodus bellottii
senegal sole [UK and USA] – synonym of Solea senegalensis
senegalese frogfish [UK and USA] – synonym of Antennarius senegalensis
serdouk [Tunesia, Algeria, Morocco] – synonym of Serranus scriba
sergeant-fish [UK and USA] – synonym of Rachycentron canadum
Sériole babiane [France and Belgium] – synonym of Seriola fasciata
sériole couronnée [France and Belgium] – synonym of Seriola dumerili
Sériole guinéenne [France and Belgium] – synonym of Seriola carpenteri
sériole limon [France and Belgium] – synonym of Seriola rivoliana
seriole [France and Belgium] – synonym of Seriola dumerili
serpent blenny [UK and USA] – synonym of Lumpenus lampretaeformis
serran à queue noire [France and Belgium] – synonym of Serranus atricauda
serran chevrette [France and Belgium] – synonym of Serranus cabrilla
serran écriture [France and Belgium] – synonym of Serranus scriba
serran impérial [France and Belgium] – synonym of Serranus atricauda
serran [France and Belgium] – synonym of Serranus cabrilla
seven-gilled shark [UK and USA] – synonym of Heptranchias perlo
Shagreen ray [UK and USA] – synonym of Raja fullonica
shan [UK and USA] – synonym of Lipophrys pholis
shanny [UK and USA] – synonym of Lipophrys pholis
sharksucker [UK and USA] – synonym of Echeneis naucrates
sharktooth moray [UK and USA] – synonym of Gymnothorax maderensis
Sharpnose seven-gill shark [UK and USA] – synonym of Heptranchias perlo
sharpsnout sea bream [UK and USA] – synonym of Diplodus puntazzo
shi drum [UK and USA] – synonym of Umbrina cirrosa
shining gurnard [UK and USA] – synonym of Aspitrigla obscura
shocac dugas [former Yugoslavia] – synonym of Liza saliens
shore clingfish [UK and USA] – synonym of Lepadogaster purpurea
shore rockling [UK and USA] – synonym of Gaidropsarus mediterraneus
short fin pearleye [UK and USA] – synonym of Scopelarchus analis
short-bodied sardine [UK and USA] – synonym of Sardinella maderensis
shortbeard grenadier [UK and USA] – synonym of Chalinura brevibarbis
Shortfin mako [UK and USA] – synonym of Isurus oxyrinchus
shortfin spiny eel [UK and USA] – synonym of Notacanthus bonapartei
shorthorn sculpin [UK and USA] – synonym of Myoxocephalus scorpius
shortnose greeneye [UK and USA] – synonym of Chlorophthalmus agassizii
Shortnose velvet dogfish [UK and USA] – synonym of Centroscymnus cryptacanthus
shortspined sculpin [UK and USA] – synonym of Myoxocephalus scorpius
shrimp scad [UK and USA] – synonym of Alepes djedaba
siauclet [France and Belgium] – synonym of Atherina hepsetus
sibri [Tunesia, Algeria, Morocco] – synonym of Diplodus annularis
sidderrog [Netherlands and Belgium] – synonym of Torpedo nobiliana
sigan marbré [France and Belgium] – synonym of Siganus rivulatus
sigan sombre [France and Belgium] – synonym of Siganus luridus
silac [former Yugoslavia] – synonym of Thunnus alalunga
Silky shark [UK and USA] – synonym of Carcharhinus falciformis
silver scabbard fish [UK and USA] – synonym of Lepidopus caudatus
Silver sillago [UK and USA] – synonym of Sillago sihama
silvery pout [UK and USA] – synonym of Gadiculus argenteus
siouclet [France and Belgium] – synonym of Atherina hepsetus
siphonostome [France and Belgium] – synonym of Syngnathus typhle
six-eyed sole [UK and USA] – synonym of Microchirus hexophthalma
six-gilled shark [UK and USA] – synonym of Hexanchus griseus
skaram [former Yugoslavia] – synonym of Sphyraena sphyraena
skipjack tuna [UK and USA] – synonym of Katsuwonus pelamis
skipjack [UK and USA] – synonym of Katsuwonus pelamis
skipper, saurie [UK and USA] – synonym of Scomberesox saurus
skocac (or cipal) balavac [former Yugoslavia] – synonym of Liza ramada
skocac (or cipal) putnik [former Yugoslavia] – synonym of Chelon labrosus
skocac glavas [former Yugoslavia] – synonym of Mugil cephalus
skocac plutas [former Yugoslavia] – synonym of Oedalechilus labeo
skocac zlatac [former Yugoslavia] – synonym of Liza aurata
skusa [former Yugoslavia] – synonym of Scomber scombrus
slakdolf [Netherlands and Belgium] – synonym of Liparis liparis
slender argentine [UK and USA] – synonym of Microstoma microstoma
slender finless eel [UK and USA] – synonym of Apterichthus anguiformis
slender goby [UK and USA] – synonym of Gobius geniporus
slender snipe-eel [UK and USA] – synonym of Nemichthys scolopaceus
Slender sorcerer [UK and USA] – synonym of Saurenchelys cancrivora
slender suckerfish [UK and USA] – synonym of Phtheirichthys lineatus
slijmprik [Netherlands and Belgium] – synonym of Myxine glutinosa
slijmvis [Netherlands and Belgium] – synonym of Lipophrys pholis
slimhead grenadier [UK and USA] – synonym of Coryphaenoides zaniophorus
slingura barbaroga [former Yugoslavia] – synonym of Parablennius tentacularis
slingura dubljinka [former Yugoslavia] – synonym of Blennius ocellaris
slingura mrkulja [former Yugoslavia] – synonym of Parablennius gattorugine
Sliznatka [former Chechoslovakia] – synonym of Myxine glutinosa
sljepulja [former Yugoslavia] – synonym of Myxine glutinosa
sloane's viperfish [UK and USA] – synonym of Chauliodus sloani
small red scorpion fish [UK and USA] – synonym of Scorpaena notata
small redfish [UK and USA] – synonym of Sebastes viviparus
Small-eyed ray [UK and USA] – synonym of Raja microocellata
small-headed clingfish [UK and USA] – synonym of Apletodon dentatus
small-scaled scorpion fish [UK and USA] – synonym of Scorpaena porcus
small-spotted dogfish [UK and USA] – synonym of Scyliorhinus canicula
small-toothed argentine [UK and USA] – synonym of Glossanodon leioglossus
smalleye catshark [UK and USA] – synonym of Apristurus microps
Smalleye hammerhead [UK and USA] – synonym of Sphyrna tudes
smalleye smooth-head [UK and USA] – synonym of Alepocephalus productus
Smalleyed rabbitfish [UK and USA] – synonym of Hydrolagus affinis
smallmouth spiny eel [UK and USA] – synonym of Polyacanthonotus rissoanus
Smallscale searsid [UK and USA] – synonym of Maulisia microlepis
smallscale smooth-head [UK and USA] – synonym of Bathytroctes microlepis
Smallspotted catshark [UK and USA] – synonym of Scyliorhinus canicula
Smalltooth sand tiger [UK and USA] – synonym of Odontaspis ferox
Smalltooth sawfish [UK and USA] – synonym of Pristis pectinata
Smalltooth velvet dogfish [UK and USA] – synonym of Scymnodon obscurus
smelt [Netherlands and Belgium] – synonym of Hyperoplus lanceolatus
smokva [former Yugoslavia] – synonym of Labrus bimaculatus
smooth grenadier [UK and USA] – synonym of Nezumia aequalis
Smooth hammerhead [UK and USA] – synonym of Sphyrna zygaena
Smooth lanternshark [UK and USA] – synonym of Etmopterus pusillus
smooth sand-eel [UK and USA] – synonym of Ammodytes tobianus
smooth sand-eel [UK and USA] – synonym of Gymnammodytes semisquamatus
Smoothback angelshark [UK and USA] – synonym of Squatina oculata
Smoothhound [UK and USA] – synonym of Mustelus mustelus
smudut [former Yugoslavia] – synonym of Dicentrarchus labrax
smudut [former Yugoslavia] – synonym of Dicentrarchus punctatus
snake blenny [UK and USA] – synonym of Lumpenus lampretaeformis
snake blenny [UK and USA] – synonym of Ophidion barbatum
snake mackerel [UK and USA] – synonym of Gempylus serpens
snake pipefish [UK and USA] – synonym of Entelurus aequoraeus
snipe (trumpet) fish [UK and USA] – synonym of Macroramphosus scolopax
snipe eel [UK and USA] – synonym of Nemichthys scolopaceus
snipvis [Netherlands and Belgium] – synonym of Macroramphosus scolopax
snotolf [Netherlands and Belgium] – synonym of Cyclopterus lumpus
snouted sole [UK and USA] – synonym of Solea nasuta
snubnosed eel [UK and USA] – synonym of Simenchelys parasitica
snubnosed spiny eel [UK and USA] – synonym of Notacanthus chemnitzii
Softhead grenadier [UK and USA] – synonym of Malacocephalus laevis
softskin smooth-head [UK and USA] – synonym of Rouleina attrita
sole adriatique [France and Belgium] – synonym of Solea impar
sole commune [France and Belgium] – synonym of Solea vulgaris
Sole d'Egypte [France and Belgium] – synonym of Solea aegyptiaca
sole des profondeurs [France and Belgium] – synonym of Bathysolea profundicola
sole du Sénégal [France and Belgium] – synonym of Solea senegalensis
sole grise [France and Belgium] – synonym of Symphurus nigrescens
sole ocellée [France and Belgium] – synonym of Microchirus ocellatus
sole panachee [France and Belgium] – synonym of Microchirus variegatus
sole pole [France and Belgium] – synonym of Solea lascaris
sole ruardon commune [France and Belgium] – synonym of Synaptura lusitanica
sole séteau [France and Belgium] – synonym of Dicologlossa cuneata
sole tachetée [France and Belgium] – synonym of Solea kleinii
sole velue [France and Belgium] – synonym of Monochirus hispidus
sole [France and Belgium] – synonym of Solea kleinii
sole [France and Belgium] – synonym of Solea vulgaris
sole-langue de la merrouge [France and Belgium] – synonym of Cynoglossus sinusarabici
sole-langue nigérienne [France and Belgium] – synonym of Cynoglossus browni
sole-perdrix commune [France and Belgium] – synonym of Microchirus variegatus
sole-perdrix juive [France and Belgium] – synonym of Microchirus azevia
solenette [UK and USA] – synonym of Buglossidium luteum
sopa [former Yugoslavia] – synonym of Sarpa salpa
soultan [Tunesia, Algeria, Morocco] – synonym of Coris julis
soumir [Tunesia, Algeria, Morocco] – synonym of Symphodus mediterraneus
souris de mer [France and Belgium] – synonym of Agonus cataphractus
southern atlantic smooth-head [UK and USA] – synonym of Alepocephalus australis
spaanse makreel [Netherlands and Belgium] – synonym of Scomber japonicus
spaanse zeebrasem [Netherlands and Belgium] – synonym of Pagellus acarne
spanish bream [UK and USA] – synonym of Pagellus acarne
spanish ling [UK and USA] – synonym of Molva dipterygia
spanish mackerel [UK and USA] – synonym of Scomber japonicus
spar [former Yugoslavia] – synonym of Diplodus annularis
sparaillon africain [France and Belgium] – synonym of Diplodus bellottii
sparaillon commun [France and Belgium] – synonym of Diplodus annularis
Sparus tricuspidatus Spinola, 1807, Annls Mus. Hist. nat., Paris, 10: 367, pl. 20 (fig. la-b) (Gulf of Genoa). – synonym of Spicara maena
spatulate sculpin [UK and USA] – synonym of Icelus spatula
spear-snouted grenadier [UK and USA] – synonym of Coelorhynchus occa
spearfish remora [UK and USA] – synonym of Remora brachyptera
spearfishsucker [UK and USA] – synonym of Remora brachyptera
Speckled ray [UK and USA] – synonym of Raja polystigma
spider fish [UK and USA] – synonym of Bathypterois dubius
spider fish [UK and USA] – synonym of Bathypterois longipes
spider fish [UK and USA] – synonym of Bathypterois mediterraneus
spiering [Netherlands and Belgium] – synonym of Osmerus eperlanus
spike fish [UK and USA] – synonym of Istiophorus albicans
Spinetail ray [UK and USA] – synonym of Bathyraja spinicauda
Spinner shark [UK and USA] – synonym of Carcharhinus brevipinna
Spiny butterfly ray [UK and USA] – synonym of Gymnura altavela
Spiny eel [UK and USA] – synonym of Polyacanthonotus challengeri
spiny gurnard [UK and USA] – synonym of Lepidotrigla dieuzeidei
spiny scorpionfish [UK and USA] – synonym of Trachyscorpia echinata
spiny-cheeked grunter [UK and USA] – synonym of Therapon puta
splitfin smooth-head [UK and USA] – synonym of Leptoderma sp.
spotted dragonet [UK and USA] – synonym of Callionymus maculatus
spotted flounder [UK and USA] – synonym of Citharus linguatula
spotted herring [UK and USA] – synonym of Herklotsichthys punctatus
spotted ray [UK and USA] – synonym of Raja montagui
spotted sea-cat [UK and USA] – synonym of Anarhichas minor
spotted seabass [UK and USA] – synonym of Dicentrarchus punctatus
spotted snake blenny [UK and USA] – synonym of Leptoclinus maculatus
spotted snake eel [UK and USA] – synonym of Ophichthus ophis
spotted snipe-eel [UK and USA] – synonym of Nemichthys curvirostris
spotted tonguesole [UK and USA] – synonym of Symphurus nigrescens
spotted weever [UK and USA] – synonym of Trachinus araneus
spotted wolffish [UK and USA] – synonym of Anarhichas minor
sprat [France and Belgium] – synonym of Sprattus sprattus
sprat [UK and USA] – synonym of Sprattus sprattus
sprot [Netherlands and Belgium] – synonym of Sprattus sprattus
Spurdog [UK and USA] – synonym of Squalus acanthias
squadron [UK and USA] – synonym of Makaira nigricans
Squale boucle [France and Belgium] – synonym of Echinorhinus brucus
Squale liche [France and Belgium] – synonym of Dalatias licha
Squale nain [France and Belgium] – synonym of Squaliolus laticaudus
Squale savate [France and Belgium] – synonym of Deania calceus
Squale-chagrin a longue dorsale [France and Belgium] – synonym of Centrophorus lusitanicus
Squale-chagrin commun [France and Belgium] – synonym of Centrophorus granulosus
Squale-chagrin de l'Atlantique [France and Belgium] – synonym of Centrophorus squamosus
Squale-grogneur a queue echancree [France and Belgium] – synonym of Scymnodon obscurus
Squale-grogneur commun [France and Belgium] – synonym of Scymnodon ringens
squirrel hake [UK and USA] – synonym of Urophycis chuss
squoumri [Tunesia, Algeria, Morocco] – synonym of Scomber japonicus
squoumri [Tunesia, Algeria, Morocco] – synonym of Scomber scombrus
srdela [former Yugoslavia] – synonym of Sardina pilchardus
srdella velika [former Yugoslavia] – synonym of Sardinella aurita
srebrnica [former Yugoslavia] – synonym of Argentina sphyraena
srebrnjak [former Yugoslavia] – synonym of Argentina sphyraena
staghorn [UK and USA] – synonym of Gymnacanthus tricuspis
stargazar [UK and USA] – synonym of Uranoscopus scaber
Starry ray [UK and USA] – synonym of Raja asterias
Starry ray [UK and USA] – synonym of Raja radiata
Starry skate [UK and USA] – synonym of Raja radiata
starry smooth-head [UK and USA] – synonym of Photostylus pycnopterus
Starry smoothhound [UK and USA] – synonym of Mustelus asterias
starry sturgeon [UK and USA] – synonym of Acipenser stellatus
steenbaars [Netherlands and Belgium] – synonym of Polyprion americanus
steenbolk [Netherlands and Belgium] – synonym of Trisopterus luscus
steinitz's goby [UK and USA] – synonym of Gammogobius steinitzi
stekelrog [Netherlands and Belgium] – synonym of Raja clavata
Stellate smooth hound [UK and USA] – synonym of Mustelus asterias
stellate tadpole-goby [UK and USA] – synonym of Benthophilus stellatus
sterrog [Netherlands and Belgium] – synonym of Raja radiata
steur [Netherlands and Belgium] – synonym of Acipenser sturio
steven's goby [UK and USA]. – synonym of Gobius gasteveni
stickleback (threespined stickleback) [UK and USA] – synonym of Gasterosteus aculeatus
stickleback [UK and USA] – synonym of Pungitius pungitius
Stomiatella D Roule and Angel, 1930 (partim), Rés. Camp. sci. Monaco, 79: 17-18, pl. 1 (fig. 10) (between Azores and Spain, base – synonym of Flagellostomias boureei
stone bass [UK and USA] – synonym of Polyprion americanus
straight-nosed pipefish [UK and USA] – synonym of Nerophis ophidion
Straightnose rabbitfish [UK and USA] – synonym of Rhinochimaera atlantica
Strait, S off Cape Palliser, New Zealand). Holotype: V.U.W. no. 1898. – synonym of Bathyraja richardsoni
streaked gurnard [UK and USA] – synonym of Trigloporus lastoviza
streaked weever [UK and USA] – synonym of Trachinus radiatus
striped goby [UK and USA] – synonym of Gobius vittatus
striped mullet [UK and USA] – synonym of Mullus barbatus
striped red mullet [UK and USA] – synonym of Mullus surmuletus
striped sea bream [UK and USA] – synonym of Lithognathus mormyrus
sturgeon [UK and USA] – synonym of Acipenser sturio
sublaire [France and Belgium] – synonym of Symphodus rostratus
sun-fish [UK and USA] – synonym of Mola mola
surgeon fish [UK and USA] – synonym of Acanthurus monroviae
surmulet pontique [France and Belgium] – synonym of Mullus barbatus
surmulet [France and Belgium] – synonym of Mullus barbatus
swallow grenadier [UK and USA] – synonym of Sphagemacrurus hirundo
swordfish [UK and USA] – synonym of Xiphias gladius
Symphodus (Crenilabrus) cinereus (Bonnaterre, 1788) – synonym of Symphodus cinereus
Symphodus (Crenilabrus) ocellatus bertini: Garnaud, 1970, Bull. Inst. océanogr., Monaco, 69, no. 1411: 12 p., 6 fig. – synonym of Symphodus ocellatus
syngnathe a long museau [France and Belgium] – synonym of Syngnathus tenuirostris
syngnathe aiguille [France and Belgium] – synonym of Syngnathus acus
syngnathe de duméril [France and Belgium] – synonym of Syngnathus rostellatus
syrman goby [UK and USA] – synonym of Neogobius syrman
Systematic status of a subspecies described under the name Caspialosa tanaica etemi Battalgil, 1914, from Manyas Lake and – synonym of Alosa caspia