Actinopterygii

Sawtooth Barracuda

Sphyraena putnamae

Blackfin Barracuda

Sphyraena qenie

European Barracuda

Sphyraena sphyraena

Yellowmouth Barracuda

Sphyraena viridensis

Blotched Picarel

Spicara maena

Sparidae

Picarel

Spicara smaris

Sparidae

Fifteen-spined Stickleback

Spinachia spinachia

Gasterosteidae

Black Seabream

Spondyliosoma cantharus

Sparidae

Sprat

Sprattus sprattus

Clupeidae

Calandino

Squalius alburnoides

Northern Iberian Chub

Squalius carolitertii

European Chub

Squalius cephalus

Catalan Chub

Squalius laietanus

Etruscan Chub

Squalius lucumonis

Málaga Chub

Squalius malacitanus

Tagus Chub

Squalius pyrenaicus

Italian Chub

Squalius squalus

Eastern Iberian Chub

Squalius valentinus

Barred Knifefish

Steatogenys elegans

Hypopomidae

Acapulco damselfish

Stegastes acapulcoensis

Pomacentridae

Galapagos Ringtail Damselfish

Stegastes beebei

Pomacentridae

Cortez damselfish

Stegastes rectifraenum

Pomacentridae

Boquiche

Steindachnerina bimaculata

Steindachnerina guentheri

Steindachnerina guentheri

Julilla

Steindachnerina hypostoma

Julilla

Steindachnerina leucisca

Minor Stardrum

Stellifer minor

Sciaenidae

Caspian Inconnu

Stenodus leucichthys

Salmonidae

Reticulated Leatherjacket

Stephanolepis diaspros

Monacanthidae

Planehead Filefish

Stephanolepis hispidus

Monacanthidae

Sternarchella calhamazon

Sternarchella calhamazon

Sternarchella duccis

Sternarchella duccis

Sternarchella orthos

Sternarchella orthos

Sternarchella raptor

Sternarchella raptor

Sternarchella rex

Sternarchella rex

Sternarchella schotti

Sternarchella schotti

Sternarchogiton nattereri

Sternarchogiton nattereri

Sternarchogiton porcinum

Sternarchogiton porcinum

Sternarchogiton preto

Sternarchogiton preto

Sternarchorhamphus muelleri

Sternarchorhamphus muelleri

Tube-snouted Ghost Knifefish

Sternarchorhynchus oxyrhynchus

Diaphanous Hatchet Fish

Sternoptyx diaphana

Sternoptychidae

Highlight Hatchetfish

Sternoptyx pseudobscura

Sternoptychidae

Longtail knifefish

Sternopygus macrurus

Sternopygidae

Stethaprion erythrops

Stethaprion erythrops

Characidae

Boa Dragonfish

Stomias boa

Stomiidae

Boa Dragonfish

Stomias boa boa

Stomiidae

boa dragonfish

Stomias ferox

Stomiidae

Blue Butterfish

Stromateus fiatola

Stromateidae

Spotted Butterfish

Stromateus stellatus

Stromateidae

Californian Needlefish

Strongylura exilis

Belonidae

Atlantic Needlefish

Strongylura marina

Belonidae

Carachama

Sturisoma nigrirostrum

Loricariidae

Barracudina

Sudis hyalina

Paralepididae

Large-scale Lantern Fish

Symbolophorus veranyi

Myctophidae

Baillon's Wrasse

Symphodus bailloni

Grey Wrasse

Symphodus cinereus

Doderlein’s wrasse

Symphodus doderleini

Axillary Wrasse

Symphodus mediterraneus