There are 44 fish that start with the letter X, from X-Ray Tetra to Xyrichtys mundiceps. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the fish belongs to
Habitat: The places or type of weather the fish lives in
Scientific name: The designation that scientists use to catalog the species
Name: X-Ray Tetra
Order: Characiformes
Habitat: Freshwater streams and rivers in South America
Scientific name: Pristella maxillaris
Name: Xanthic Surgeonfish
Order: Perciformes
Habitat: Marine reefs and lagoons in the Indo-Pacific
Scientific name: Acanthurus xanthopterus
Name: Xantic Sargo
Order: Perciformes
Habitat: Coastal waters and reefs in the Eastern Pacific
Scientific name: Anisotremus davidsonii
Name: Xenagoniates
Order: Characiformes
Habitat: Freshwater rivers in South America
Scientific name: Xenagoniates bondi
Name: Xenichthys
Order: Perciformes
Habitat: Marine coastal waters in the Eastern Pacific
Scientific name: Xenichthys xanti
Name: Xenisthmops
Order: Gobiiformes
Habitat: Marine reefs in the Western Pacific
Scientific name: Xenisthmops atratus
Name: Xenisthmus
Order: Gobiiformes
Habitat: Marine reefs and rubble in the Indo-Pacific
Scientific name: Xenisthmus polyzonatus
Name: Xenoblennius
Order: Blenniiformes
Habitat: Marine reefs in the Indo-Pacific
Scientific name: Xenoblennius scoti
Name: Xenobrotula
Order: Ophidiiformes
Habitat: Deep marine waters worldwide
Scientific name: Xenobrotula megalepis
Name: Xenocara
Order: Cichliformes
Habitat: Freshwater in South America (unconfirmed species)
Scientific name: Xenocara sp.
Name: Xenocarassius
Order: Cypriniformes
Habitat: Freshwater rivers in North America
Scientific name: Xenocarassius transmontanus
Name: Xenoconger
Order: Anguilliformes
Habitat: Marine deep waters off Africa
Scientific name: Xenoconger fryeri
Name: Xenodermichthys
Order: Argentiniformes
Habitat: Marine deep waters worldwide
Scientific name: Xenodermichthys copei
Name: Xenodexia
Order: Cyprinodontiformes
Habitat: Freshwater lakes in Guatemala
Scientific name: Xenodexia ctenolepis
Name: Xenolepidichthys
Order: Beryciformes
Habitat: Marine deep waters off South Africa
Scientific name: Xenolepidichthys dalgleishi
Name: Xenomelaniris
Order: Atheriniformes
Habitat: Freshwater and brackish waters in Central America
Scientific name: Xenomelaniris curtus
Name: Xenomugil
Order: Mugiliformes
Habitat: Marine coastal waters in the Eastern Pacific
Scientific name: Xenomugil thoburni
Name: Xenomystax
Order: Siluriformes
Habitat: Deep marine waters off South America
Scientific name: Xenomystax atrarius
Name: Xenomystus
Order: Osteoglossiformes
Habitat: Freshwater rivers and swamps in Africa
Scientific name: Xenomystus nigri
Name: Xenon Goby
Order: Perciformes
Habitat: Marine reefs and rubble in the Indo-Pacific
Scientific name: Stonogobiops xenon
Name: Xenoperia
Order: Perciformes
Habitat: Marine deep waters off Australia
Scientific name: Xenoperia anomala
Name: Xenophysogobio
Order: Cypriniformes
Habitat: Freshwater rivers in China
Scientific name: Xenophysogobio boulengeri
Name: Xenopoecilia
Order: Cyprinodontiformes
Habitat: Freshwater rivers in Central America
Scientific name: Xenopoecilia xiphophorusoides
Name: Xenopoecilus
Order: Cyprinodontiformes
Habitat: Freshwater rivers in Central America
Scientific name: Xenopoecilus xiphophorus
Name: Xenorhynchichthys
Order: Cyprinodontiformes
Habitat: Freshwater rivers in Central America
Scientific name: Xenorhynchichthys xiphophorus
Name: Xenorithrurus
Order: Siluriformes
Habitat: Freshwater rivers in South America
Scientific name: Xenorithrurus xiphos
Name: Xenotilapia
Order: Cichliformes
Habitat: Freshwater lakes in Africa
Scientific name: Xenotilapia flavipinnis
Name: Xenotis
Order: Perciformes
Habitat: Freshwater rivers in North America
Scientific name: Xenotis brevilineatus
Name: Xenurobrycon
Order: Characiformes
Habitat: Freshwater rivers in South America
Scientific name: Xenurobrycon macropus
Name: Xenurocharax
Order: Characiformes
Habitat: Freshwater rivers in South America
Scientific name: Xenurocharax spilurus
Name: Xenuroglanis
Order: Siluriformes
Habitat: Freshwater rivers in Brazil
Scientific name: Xenuroglanis xinguensis
Name: Xenurolebias
Order: Cyprinodontiformes
Habitat: Freshwater temporary pools in South America
Scientific name: Xenurolebias xiphoideus
Name: Xenuropsis
Order: Characiformes
Habitat: Freshwater rivers in South America
Scientific name: Xenuropsis xiphophaea
Name: Xestus Dragonet
Order: Perciformes
Habitat: Marine reefs and rubble in the Indo-Pacific
Scientific name: Synchiropus xestus
Name: Xestus Fangjaw
Order: Stomiiformes
Habitat: Deep marine waters worldwide
Scientific name: Malacosteus xestus
Name: Xingu Corydoras
Order: Siluriformes
Habitat: Freshwater rivers in Brazil
Scientific name: Corydoras xinguensis
Name: Xingu Dartfish
Order: Perciformes
Habitat: Marine reefs and rubble in the Indo-Pacific
Scientific name: Ptereleotris xingu
Name: Xingu River Ray
Order: Myliobatiformes
Habitat: Freshwater rivers in Brazil
Scientific name: Potamotrygon xingui
Name: Xiphophorus
Order: Cyprinodontiformes
Habitat: Freshwater streams in Central America
Scientific name: Xiphophorus helleri
Name: Xiphophorus couchianus
Order: Cyprinodontiformes
Habitat: Freshwater streams in Mexico
Scientific name: Xiphophorus couchianus
Name: Xiphos
Order: Perciformes
Habitat: Marine deep slopes in the Indo-Pacific
Scientific name: Xiphos acutus
Name: Xyliphius
Order: Siluriformes
Habitat: Freshwater rivers in South America
Scientific name: Xyliphius barbatus
Name: Xyrichtys
Order: Perciformes
Habitat: Marine sandy areas in the Atlantic
Scientific name: Xyrichtys novacula
Name: Xyrichtys mundiceps
Order: Perciformes
Habitat: Marine sandy areas in the Eastern Pacific
Scientific name: Xyrichtys mundiceps
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| X-Ray Tetra | Characiformes | Freshwater streams and rivers in South America | Pristella maxillaris |
| Xanthic Surgeonfish | Perciformes | Marine reefs and lagoons in the Indo-Pacific | Acanthurus xanthopterus |
| Xantic Sargo | Perciformes | Coastal waters and reefs in the Eastern Pacific | Anisotremus davidsonii |
| Xenagoniates | Characiformes | Freshwater rivers in South America | Xenagoniates bondi |
| Xenichthys | Perciformes | Marine coastal waters in the Eastern Pacific | Xenichthys xanti |
| Xenisthmops | Gobiiformes | Marine reefs in the Western Pacific | Xenisthmops atratus |
| Xenisthmus | Gobiiformes | Marine reefs and rubble in the Indo-Pacific | Xenisthmus polyzonatus |
| Xenoblennius | Blenniiformes | Marine reefs in the Indo-Pacific | Xenoblennius scoti |
| Xenobrotula | Ophidiiformes | Deep marine waters worldwide | Xenobrotula megalepis |
| Xenocara | Cichliformes | Freshwater in South America (unconfirmed species) | Xenocara sp. |
| Xenocarassius | Cypriniformes | Freshwater rivers in North America | Xenocarassius transmontanus |
| Xenoconger | Anguilliformes | Marine deep waters off Africa | Xenoconger fryeri |
| Xenodermichthys | Argentiniformes | Marine deep waters worldwide | Xenodermichthys copei |
| Xenodexia | Cyprinodontiformes | Freshwater lakes in Guatemala | Xenodexia ctenolepis |
| Xenolepidichthys | Beryciformes | Marine deep waters off South Africa | Xenolepidichthys dalgleishi |
| Xenomelaniris | Atheriniformes | Freshwater and brackish waters in Central America | Xenomelaniris curtus |
| Xenomugil | Mugiliformes | Marine coastal waters in the Eastern Pacific | Xenomugil thoburni |
| Xenomystax | Siluriformes | Deep marine waters off South America | Xenomystax atrarius |
| Xenomystus | Osteoglossiformes | Freshwater rivers and swamps in Africa | Xenomystus nigri |
| Xenon Goby | Perciformes | Marine reefs and rubble in the Indo-Pacific | Stonogobiops xenon |
| Xenoperia | Perciformes | Marine deep waters off Australia | Xenoperia anomala |
| Xenophysogobio | Cypriniformes | Freshwater rivers in China | Xenophysogobio boulengeri |
| Xenopoecilia | Cyprinodontiformes | Freshwater rivers in Central America | Xenopoecilia xiphophorusoides |
| Xenopoecilus | Cyprinodontiformes | Freshwater rivers in Central America | Xenopoecilus xiphophorus |
| Xenorhynchichthys | Cyprinodontiformes | Freshwater rivers in Central America | Xenorhynchichthys xiphophorus |
| Xenorithrurus | Siluriformes | Freshwater rivers in South America | Xenorithrurus xiphos |
| Xenotilapia | Cichliformes | Freshwater lakes in Africa | Xenotilapia flavipinnis |
| Xenotis | Perciformes | Freshwater rivers in North America | Xenotis brevilineatus |
| Xenurobrycon | Characiformes | Freshwater rivers in South America | Xenurobrycon macropus |
| Xenurocharax | Characiformes | Freshwater rivers in South America | Xenurocharax spilurus |
| Xenuroglanis | Siluriformes | Freshwater rivers in Brazil | Xenuroglanis xinguensis |
| Xenurolebias | Cyprinodontiformes | Freshwater temporary pools in South America | Xenurolebias xiphoideus |
| Xenuropsis | Characiformes | Freshwater rivers in South America | Xenuropsis xiphophaea |
| Xestus Dragonet | Perciformes | Marine reefs and rubble in the Indo-Pacific | Synchiropus xestus |
| Xestus Fangjaw | Stomiiformes | Deep marine waters worldwide | Malacosteus xestus |
| Xingu Corydoras | Siluriformes | Freshwater rivers in Brazil | Corydoras xinguensis |
| Xingu Dartfish | Perciformes | Marine reefs and rubble in the Indo-Pacific | Ptereleotris xingu |
| Xingu River Ray | Myliobatiformes | Freshwater rivers in Brazil | Potamotrygon xingui |
| Xiphophorus | Cyprinodontiformes | Freshwater streams in Central America | Xiphophorus helleri |
| Xiphophorus couchianus | Cyprinodontiformes | Freshwater streams in Mexico | Xiphophorus couchianus |
| Xiphos | Perciformes | Marine deep slopes in the Indo-Pacific | Xiphos acutus |
| Xyliphius | Siluriformes | Freshwater rivers in South America | Xyliphius barbatus |
| Xyrichtys | Perciformes | Marine sandy areas in the Atlantic | Xyrichtys novacula |
| Xyrichtys mundiceps | Perciformes | Marine sandy areas in the Eastern Pacific | Xyrichtys mundiceps |