- Ptychochromoides itasy
- Ptychochromoides katria
- Ptychochromoides vondrozo
- Ptyochromis annectens
- Ptyochromis granti
- Ptyochromis sauvagei
- Ptyochromis sp. nov. 'Rusinga oral sheller'
- Ptyochromis sp. nov. 'rainbow sheller'
- Pundamilia igneopinis
- Pundamilia macrocephala
- Pundamilia nyerere
- Pundamilia pundamilia
- ellinopygósteos
- ukranian stickleback
- nine-spined stickleback
- pungu
- Pyxichromis orthostoma
- Pyxichromis parorthostoma
- Ratsirakia legendrei
- bigmouth goby
- checked goby
- Rhabdalestes leleupi
- pangani robber
- juil ciego
- Rhamdia zongolicensis
- Rhamphochromis brevis
- Rhamphochromis esox
- Rhamphochromis ferox
- Rhamphochromis leptosoma
- Rhamphochromis lucius
- Rhamphochromis macrophthalmus
- Rhamphochromis woodi
- katrana
- Rheocles derhami
- Rheocles lateralis
- Rheocles pellegrini
- Rheocles sikorae
- Rheocles vatosoa
- Rheocles wrightae
- rivulus
- rivulus almirante
- Saccogaster melanomycter
- Salaria economidisi
- Salaria fluviatilis
- Salmo aphelios
- Salmo balcanicus
- Salmo dentex
- Salmo lumi
- Salmo macedonicus
- Salmo macrostigma
- Salmo marmoratus
- Salmo pallaryi
- Salmo peristericus
- ala balik
- adriatic salmon
- angayukaksurak char
- kirikuchi char
- Salvethymus svetovidovi
- eastern province rocky
- cape kurper
- whitespotted toadfish
- whitelined toadfish
- reticulated toadfish
- fissi
- leka keppe
- kululu
- Sauvagella madagascariensis
- Sauvagella robusta
- rainbow parrotfish
- red-finned blue-eye
- Schilbe moebiusii
- african butter catfish
- redneck goby
- electric blue hap
- Sciaenochromis benthicola
- Sciaenochromis fryeri
- Sciaenochromis gracilis
- electric blue kande
- Sciaenochromis spilostichus
- southern saratoga
- monterrey spanish mackerel
- leathery grunter
- small-headed grunter
- Sebastes paucispinus
- shortspine thornyhead
- asian sheepshead wrasse
- Serranochromis janus
- lowveld largemouth
- meo viejo
- Sicyopterus franouxi
- red-tailed goby
- Sicyopterus punctissimus
- nopoli rockclimbing goby
- Sicyopus axilimentus
- lipstick goby
- Aristotle's catfish
- Silurus furness
- Silurus mento
- Simochromis babaulti
- Simochromis diagramma
- Simochromis loocki
- Simochromis margaretae
- Simochromis marginatus
- Simochromis pleurospilus
- Duncker's pipehorse
- Hardwicke's pipefish
- Günther's pipehorse
- robust pipehorse
- Spathodus erythrodon
- Spathodus marlieri
- two-finned round herring
- Stegastes sanctaehelenae
- Stegastes sanctipauli
- Stenodus leucichthys
- Stenogobius polyzona
- Stigmatochromis modestus
- candle hap
- Stigmatochromis woodi
- Stiphodon surrufus
- Stizostedion marinum
- volga zander
- lake tanganyika sprat
- nsess
- pindu
- Stupidogobius flavipinnis
- Stygichthys typhlops
- Stygicola dentata
- kimberley grunter
- drysdale grunter
- alligator pipefish
- Syngnathus abaster
- river pipefish
- Fischer's victoria squeaker
- Synodontis dhonti
- Fuelleborn's squeaker
- Synodontis granulosus
- Synodontis lacustricolus
- Synodontis macrops
- Synodontis maculipinna
- feather-barbelled squeaker
- Synodontis matthesi
- Synodontis nigrita
- malawi squeaker
- Synodontis polli
- Synodontis punctulatus
- Ricardo's squeaker
- Synodontis ruandae
- Synodontis rufigiensis
- lake rukwa squeaker
- Synodontis sp. nov. 'Lower Tana'
- lake victoria squeaker
- eastcoast squeaker
- Taeniochromis holotaenia
- bearded eelgoby
- Taeniolethrinops cyrtonotus
- Taeniolethrinops furcicauda
- Taeniolethrinops laticeps
- Taeniolethrinops praeorbitalis
- grass puffer
- Takifugu xanthopterus
- Sarasin's goby
- Tangachromis dhanisi
- spotfin goby cichlid
- Tanganikallabes mortiauxi
- Telmatherina abendanoni
- Telmatherina antoniae
- Telmatherina bonti
- Telmatherina celebensis
- celebes rainbow
- Telmatherina obscura
- Telmatherina opudi
- Telmatherina prognatha
- Telmatherina sarasinorum
- Telmatherina wahjui
- Telmatochromis bifrenatus
- Telmatochromis brachygnathus
- Telmatochromis dhonti
- Telmatochromis temporalis
- Telmatochromis vittatus
- Tenualosa thibaudeaui
- vily
- Teramulus waterloti
- kokoda glass perchlet
- lorentz catfish
- Thalassoma ascensionis
- freshwater anchovy
- Tilapia bakossiorum
- Tilapia bemini
- Tilapia bythobathes
- Tilapia deckerti
- Tilapia flava
- otjikoto tilapia
- Tilapia gutturosa
- Tilapia imbriferna
- Tilapia kottae
- redbreast tilapia
- Tilapia snyderae
- Tilapia sp. nov. 'jewel'
- Tilapia sp. nov. 'little black'
- Tilapia sp. nov. 'yellow-green'
- Tilapia spongotroktis
- Tilapia thysi
- Tominanga aurea
- Tominanga sanguicauda
- Tondanichthys kottelati
- Torquigener brevipinnis
- big scale archerfish
- Tramitichromis brevis
- Tramitichromis intermedius
- Tramitichromis lituris
- Tramitichromis trilineatus
- Tramitichromis variabilis
- Trematocara caparti
- Trematocara kufferathi
- Trematocara macrostoma
- Trematocara marginatum
- Trematocara nigrifrons
- Trematocara stigmaticum
- Trematocara unimaculatum
- Trematocara variabile
- Trematocara zebra
- Trematocranus labifer
- haplochromis placodon pointed head
- Trematocranus placodon
- Trichomycterus areolatus
- Trichomycterus chaberti
- Trichomycterus chiltoni
- Trichomycterus chungarensis
- Trichomycterus laucaensis
- Trichomycterus rivulatus
- Triglachromis otostigma
- Tristramella intermedia
- Tristramella magdelainae
- Tristramella sacra
- Tristramella simonis
- Tropheops gracilior
- Tropheops macrophthalmus
- Tropheops microstoma
- Tropheops novemfasciatus
- Tropheops tropheops
- Tropheus annectens
- Tropheus brichardi
- Tropheus duboisi
- Tropheus kasabae
- Tropheus polli
- Tylochromis polylepis
- Typhleotris madgascarensis
- Typhleotris pauliani
- Typhlichthys subterraneus
- Tyrannochromis macrostoma
- Tyrannochromis nigriventer
- Uegitglanis zammaranoi
- european mud-minnow
- valencia toothcarp
- Valencia letourneuxi
- yamur lake grunter
- poso bungu
- Xenochromis hecqui
- lake victoria deepwater catfish
- solo goodeido
- egg-carrying buntingi
- Popta's buntingi
- Xenopoecilus sarasinorum
- Xenotilapia bathyphilus
- Xenotilapia boulengeri
- Xenotilapia burtoni
- Xenotilapia caudofasciata
- yellow sand cichlid
- Xenotilapia leptura
- Xenotilapia longispinis
- Xenotilapia melanogenys
- Xenotilapia nasus
- Xenotilapia nigrolabiata
- Xenotilapia ochrogenys
- Xenotilapia ornatipinnis
- Xenotilapia sima
- Xenotilapia spilopterus
- Xenotilapia tenuidentatus
- espada de clemencia
- platy cuatro cienegas
- platy de muzquiz
- Xyrichtys virens
- Xystichromis bayoni
- Xystichromis nuchisquamulatus
- Xystichromis phytophagus
- Xystichromis sp. nov. 'Kyoga flameback'
- Yssichromis pyrrhocephalus
- Yssichromis sp. nov. 'argens'
- Allen's river garfish
- Robert's river garfish
- Zingel balcanicus
- streber
- Zosterisessor ophiocephalus
