| Iago garricki Fourmanoir & Rivaton, 1979
|
Animalia
|
Chordata
|
Elasmobranchii
|
Carcharhiniformes
|
Triakidae
|
Iago
|
bathydemersal
|
bathydemersal
|
| Iago mangalorensis (Cubelio, Remya & Kurup, 2011)
|
Animalia
|
Chordata
|
Elasmobranchii
|
Carcharhiniformes
|
Triakidae
|
Iago
|
oceanic
|
Tropical
|
| Iago omanensis (Norman, 1939)
|
Animalia
|
Chordata
|
Elasmobranchii
|
Carcharhiniformes
|
Triakidae
|
Iago
|
bathydemersal
|
bathydemersal
|
| Iberochondrostoma almacai (Coelho, Mesquita & Collares-Pereira, 2005)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Leuciscidae
|
Iberochondrostoma
|
pelagic
|
Subtropical
|
| Iberochondrostoma lemmingii (Steindachner, 1866)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Leuciscidae
|
Iberochondrostoma
|
benthopelagic
|
Temperate
|
| Iberochondrostoma lusitanicum (Collares-Pereira, 1980)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Leuciscidae
|
Iberochondrostoma
|
benthopelagic
|
Subtropical
|
| Iberochondrostoma olisiponense (Gante, Santos & Alves, 2007)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Leuciscidae
|
Iberochondrostoma
|
benthopelagic
|
Subtropical
|
| Iberochondrostoma oretanum (Doadrio & Carmona, 2003)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Leuciscidae
|
Iberochondrostoma
|
benthopelagic
|
Subtropical
|
| Iberocypris palaciosi Doadrio, 1980
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Leuciscidae
|
Iberocypris
|
demersal
|
Subtropical
|
| Icelinus borealis Gilbert, 1896
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Temperate
|
| Icelinus burchami Evermann & Goldsborough, 1907
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Temperate
|
| Icelinus cavifrons Gilbert, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Subtropical
|
| Icelinus filamentosus Gilbert, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Temperate
|
| Icelinus fimbriatus Gilbert, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Temperate
|
| Icelinus japonicus Yabe, Tsumura & Katayama, 1980
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Temperate
|
| Icelinus limbaughi Rosenblatt & Smith, 2004
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
benthopelagic
|
Subtropical
|
| Icelinus oculatus Gilbert, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Subtropical
|
| Icelinus pietschi Yabe, Soma & Amaoka, 2001
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Temperate
|
| Icelinus quadriseriatus (Lockington, 1880)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Subtropical
|
| Icelinus tenuis Gilbert, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelinus
|
demersal
|
Subtropical
|
| Icelus armatus (Schmidt, 1916)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
bathydemersal
|
bathydemersal
|
| Icelus bicornis (Reinhardt, 1840)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
demersal
|
| Icelus canaliculatus Gilbert, 1896
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
Temperate
|
| Icelus cataphractus (Pavlenko, 1910)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
Temperate
|
| Icelus ecornis Tsutsui & Yabe, 1996
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
bathydemersal
|
bathydemersal
|
| Icelus euryops Bean, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
bathydemersal
|
bathydemersal
|
| Icelus gilberti Taranetz, 1936
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
Temperate
|
| Icelus mandibularis Yabe, 1983
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
bathypelagic
|
bathypelagic
|
| Icelus ochotensis Schmidt, 1927
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
Temperate
|
| Icelus perminovi Taranetz, 1936
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
Temperate
|
| Icelus rastrinoides Taranetz, 1936
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
bathydemersal
|
bathydemersal
|
| Icelus sekii Tsuruoka, Munehara & Yabe, 2006
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
benthopelagic
|
Temperate
|
| Icelus spatula Gilbert & Burke, 1912
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
demersal
|
| Icelus spiniger Gilbert, 1896
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
Temperate
|
| Icelus stenosomus Andriashev, 1937
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
demersal
|
| Icelus toyamensis (Matsubara & Iwai, 1951)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
bathydemersal
|
bathydemersal
|
| Icelus uncinalis Gilbert & Burke, 1912
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Cottoidei
|
Cottidae
|
Icelus
|
demersal
|
demersal
|
| Ichthyapus acuticeps (Barnard, 1923)
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Ophichthidae
|
Ichthyapus
|
demersal
|
Subtropical
|
| Ichthyapus insularis McCosker, 2004
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Ophichthidae
|
Ichthyapus
|
associated
|
Tropical
|
| Ichthyapus ophioneus (Evermann & Marsh, 1900)
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Ophichthidae
|
Ichthyapus
|
associated
|
Tropical
|
| Ichthyapus platyrhynchus (Gosline, 1951)
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Ophichthidae
|
Ichthyapus
|
demersal
|
Tropical
|
| Ichthyapus selachops (Jordan & Gilbert, 1882)
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Ophichthidae
|
Ichthyapus
|
demersal
|
Tropical
|
| Ichthyapus vulturis (Weber & de Beaufort, 1916)
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Ophichthidae
|
Ichthyapus
|
associated
|
Tropical
|
| Ichthyborus besse (Joannis, 1835)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Distichodontidae
|
Ichthyborus
|
pelagic
|
Tropical
|
| Ichthyborus congolensis Giltay, 1930
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Distichodontidae
|
Ichthyborus
|
pelagic
|
Tropical
|
| Ichthyborus monodi (Pellegrin, 1927)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Distichodontidae
|
Ichthyborus
|
pelagic
|
Tropical
|
| Ichthyborus ornatus (Boulenger, 1899)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Distichodontidae
|
Ichthyborus
|
pelagic
|
Tropical
|
| Ichthyborus quadrilineatus (Pellegrin, 1904)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Distichodontidae
|
Ichthyborus
|
pelagic
|
Tropical
|
| Ichthyocampus bikiniensis Herald, 1953
|
Animalia
|
Chordata
|
Teleostei
|
Syngnathiformes
|
Syngnathidae
|
Ichthyocampus
|
demersal
|
Tropical
|
| Ichthyocampus carce (Hamilton, 1822)
|
Animalia
|
Chordata
|
Teleostei
|
Syngnathiformes
|
Syngnathidae
|
Ichthyocampus
|
freshwater
|
Tropical
|
| Ichthyococcus australis Mukhacheva, 1980
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Phosichthyidae
|
Ichthyococcus
|
oceanic
|
Subtropical
|
| Ichthyococcus elongatus Imai, 1941
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Phosichthyidae
|
Ichthyococcus
|
bathypelagic
|
bathypelagic
|
| Ichthyococcus intermedius Mukhacheva, 1980
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Phosichthyidae
|
Ichthyococcus
|
oceanic
|
Tropical
|
| Ichthyococcus irregularis Rechnitzer & Böhlke, 1958
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Phosichthyidae
|
Ichthyococcus
|
bathypelagic
|
bathypelagic
|
| Ichthyococcus ovatus (Cocco, 1838)
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Phosichthyidae
|
Ichthyococcus
|
bathypelagic
|
bathypelagic
|
| Ichthyococcus parini Mukhacheva, 1980
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Phosichthyidae
|
Ichthyococcus
|
bathypelagic
|
bathypelagic
|
| Ichthyococcus polli Blache, 1964
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Phosichthyidae
|
Ichthyococcus
|
bathypelagic
|
bathypelagic
|
| Ichthyoelephas humeralis (Günther, 1860)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Prochilodontidae
|
Ichthyoelephas
|
benthopelagic
|
Tropical
|
| Ichthyoelephas longirostris (Steindachner, 1879)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Prochilodontidae
|
Ichthyoelephas
|
benthopelagic
|
Tropical
|
| Ichthyomyzon bdellium (Jordan, 1885)
|
Animalia
|
Chordata
|
Petromyzonti
|
Petromyzontiformes
|
Petromyzontidae
|
Ichthyomyzon
|
demersal
|
Temperate
|
| Ichthyomyzon castaneus Girard, 1858
|
Animalia
|
Chordata
|
Petromyzonti
|
Petromyzontiformes
|
Petromyzontidae
|
Ichthyomyzon
|
demersal
|
Subtropical
|
| Ichthyomyzon fossor Reighard & Cummins, 1916
|
Animalia
|
Chordata
|
Petromyzonti
|
Petromyzontiformes
|
Petromyzontidae
|
Ichthyomyzon
|
demersal
|
Temperate
|
| Ichthyomyzon gagei Hubbs & Trautman, 1937
|
Animalia
|
Chordata
|
Petromyzonti
|
Petromyzontiformes
|
Petromyzontidae
|
Ichthyomyzon
|
demersal
|
Temperate
|
| Ichthyomyzon greeleyi Hubbs & Trautman, 1937
|
Animalia
|
Chordata
|
Petromyzonti
|
Petromyzontiformes
|
Petromyzontidae
|
Ichthyomyzon
|
demersal
|
Temperate
|
| Ichthyomyzon unicuspis Hubbs & Trautman, 1937
|
Animalia
|
Chordata
|
Petromyzonti
|
Petromyzontiformes
|
Petromyzontidae
|
Ichthyomyzon
|
demersal
|
Temperate
|
| Ichthyscopus barbatus Mees, 1960
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Subtropical
|
| Ichthyscopus fasciatus Haysom, 1957
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Tropical
|
| Ichthyscopus insperatus Mees, 1960
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Tropical
|
| Ichthyscopus lebeck (Bloch & Schneider, 1801)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Tropical
|
| Ichthyscopus malacopterus (Anonymous [Bennett], 1830)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Tropical
|
| Ichthyscopus nigripinnis Gomon & Johnson, 1999
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Tropical
|
| Ichthyscopus pollicaris Vilasri, Ho, Kawai & Gomon, 2019
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Temperate
|
| Ichthyscopus sannio Whitley, 1936
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
brackish
|
Tropical
|
| Ichthyscopus spinosus Mees, 1960
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Ichthyscopus
|
demersal
|
Tropical
|
| Icichthys australis Haedrich, 1966
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Centrolophidae
|
Icichthys
|
oceanic
|
Temperate
|
| Icichthys lockingtoni Jordan & Gilbert, 1880
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Centrolophidae
|
Icichthys
|
oceanic
|
Subtropical
|
| Icosteus aenigmaticus Lockington, 1880
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Icosteidae
|
Icosteus
|
bathypelagic
|
bathypelagic
|
| Ictalurus australis (Meek, 1904)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Tropical
|
| Ictalurus balsanus (Jordan & Snyder, 1899)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Tropical
|
| Ictalurus dugesii (Bean, 1880)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Tropical
|
| Ictalurus furcatus (Valenciennes, 1840)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
brackish
|
Subtropical
|
| Ictalurus lupus (Girard, 1858)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Subtropical
|
| Ictalurus meridionalis (Günther, 1864)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Tropical
|
| Ictalurus mexicanus (Meek, 1904)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Tropical
|
| Ictalurus ochoterenai (de Buen, 1946)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Tropical
|
| Ictalurus pricei (Rutter, 1896)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Subtropical
|
| Ictalurus punctatus (Rafinesque, 1818)
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ictaluridae
|
Ictalurus
|
demersal
|
Subtropical
|
| Ictiobus bubalus (Rafinesque, 1818)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Catostomidae
|
Ictiobus
|
demersal
|
Temperate
|
| Ictiobus cyprinellus (Valenciennes, 1844)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Catostomidae
|
Ictiobus
|
benthopelagic
|
Subtropical
|
| Ictiobus labiosus (Meek, 1904)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Catostomidae
|
Ictiobus
|
demersal
|
Tropical
|
| Ictiobus meridionalis (Günther, 1868)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Catostomidae
|
Ictiobus
|
demersal
|
Tropical
|
| Ictiobus niger (Rafinesque, 1819)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Catostomidae
|
Ictiobus
|
demersal
|
Subtropical
|
| Idiacanthus antrostomus Gilbert, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Stomiidae
|
Idiacanthus
|
bathypelagic
|
bathypelagic
|
| Idiacanthus atlanticus Brauer, 1906
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Stomiidae
|
Idiacanthus
|
bathypelagic
|
bathypelagic
|
| Idiacanthus fasciola Peters, 1877
|
Animalia
|
Chordata
|
Teleostei
|
Stomiiformes
|
Stomiidae
|
Idiacanthus
|
bathypelagic
|
bathypelagic
|
| Idiastion hageyi McCosker, 2008
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Scorpaenoidei
|
Scorpaenidae
|
Idiastion
|
benthopelagic
|
Tropical
|
| Idiastion kyphos Eschmeyer, 1965
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Scorpaenoidei
|
Scorpaenidae
|
Idiastion
|
bathydemersal
|
bathydemersal
|
| Idiastion pacificum Ishida & Amaoka, 1992
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Scorpaenoidei
|
Scorpaenidae
|
Idiastion
|
bathydemersal
|
bathydemersal
|
| Idiolophorhynchus andriashevi Sazonov, 1981
|
Animalia
|
Chordata
|
Teleostei
|
Gadiformes
|
Trachyrincidae
|
Idiolophorhynchus
|
bathydemersal
|
bathydemersal
|
| Idiolychnus urolampus (Gilbert & Cramer, 1897)
|
Animalia
|
Chordata
|
Teleostei
|
Myctophiformes
|
Myctophidae
|
Idiolychnus
|
neritic
|
Temperate
|