Encyclopaedia

Fish atlas

Curated cards for behavior, feeding, and compatibility.

Copy the link or share this page so you can easily find it again.

Explore by category

Acanthuridae43 Acestrorhynchidae1 Adrianichthyidae2 Alestidae3 Ambassidae4 Anabantidae1 Anablepidae3 Anostomidae5 Antennariidae1 Aplocheilidae3 Apogonidae16 Apteronotidae1 Arapaimidae1 Ariidae1 Badidae2 Bagridae1 Balistidae9 Balitoridae8 Bedotiidae1 Blenniidae52 Botiidae1 Callichthyidae132 Callionymidae4 Carcharhinidae1 Centriscidae1 Chacidae1 Chaenopsidae1 Chaetodontidae60 Channidae2 Characidae92 Chilodontidae1 Cichlidae228 Cirrhitidae7 Claroteidae1 Cobitidae17 Congridae1 Crenuchidae2 Ctenoluciidae3 Cynodontidae1 Cynoglossidae1 Cyprinidae65 Cyprinodontidae3 Dactylopteridae1 Dasyatidae1 Datnioididae1 Denticipitidae1 Diodontidae2 Distichodontidae2 Doradidae6 Echeneidae1 Eleotridae2 Ephippidae2 Erythrinidae3 Fundulidae3 Gasteropelecidae6 Ginglymostomatidae1 Gobiidae115 Goodeidae1 Grammatidae2 Gymnotidae2 Gyrinocheilidae1 Helostomatidae1 Hemiodontidae1 Hemiscylliidae2 Iguanodectidae3 Indostomidae1 Labridae156 Lebiasinidae21 Lepisosteidae1 Loricariidae92 Mastacembelidae2 Melanotaeniidae15 Microdesmidae6 Mochokidae8 Monacanthidae8 Monodactylidae3 Mormyridae1 Mugilidae2 Muraenidae11 Myliobatidae1 Nemacheilidae1 Nothobranchiidae13 Notopteridae2 Opistognathidae1 Osphronemidae36 Osteoglossidae2 Ostraciidae3 Pangasiidae1 Pantodontidae1 Pholidichthyidae1 Pimelodidae6 Plesiopidae3 Poeciliidae31 Polycentridae1 Polypteridae5 Pomacanthidae71 Pomacentridae66 Potamotrygonidae1 Protopteridae1 Pseudochromidae32 Pseudomugilidae5 Pseudopimelodidae1 Rhamphichthyidae1 Rivulidae2 Scatophagidae3 Scorpaenidae5 Serranidae30 Serrasalmidae7 Siganidae3 Siluridae1 Soleidae1 Sparidae1 Sphyraenidae1 Sternopygidae2 Synanceiidae1 Syngnathidae15 Telmatherinidae2 Tetraodontidae23 Tetrarogidae1 Toxotidae6 Triportheidae1 Zanclidae1 Zenarchopteridae2

Filter1 cards / 16641

Family

Water type

Origin

Tank level

Sociality

Adult size

Sort by

View

Elephantnose Fish (Gnathonemus petersii)

©AI Generated·Proprietary

Elephantnose Fish

Gnathonemus petersii

Water temp23 - 28 °CpH Value6 - 7.5 pHGH4 - 15 dGHKH2 - 7 dKHMinimum tank volume250 LTank levelBottomAdult size23 cm

Showing 1 of 1

Practice with the Atlas

Turn this list into a challenge.

After browsing the species, try recognizing them from photos, names, and traits: leaderboards stay separate from the catalog.

Species challenges