Gnathonemus petersii
E876520
Gnathonemus petersii, commonly known as the elephantnose fish, is a freshwater African fish species notable for its elongated snout and use of weak electric fields for navigation and communication.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Xenomystus nigri | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
fish species
ⓘ
weakly electric fish ⓘ |
| activityPattern | nocturnal ⓘ |
| behavior |
shy
ⓘ
territorial toward conspecifics ⓘ |
| bodyShape | elongated body ⓘ |
| class | Actinopterygii ⓘ |
| coloration |
dark brown to black body
ⓘ
pale vertical bands ⓘ |
| commonName |
elephant nose fish
ⓘ
elephantnose fish ⓘ |
| describedBy | Albert Günther NERFINISHED ⓘ |
| diet |
insect larvae
ⓘ
invertebrates ⓘ worms ⓘ |
| distinctiveFeature |
elongated snout
ⓘ
trunk-like chin appendage ⓘ |
| electricDischargeType | wave-type electric organ discharge ⓘ |
| electricOrganType | weak electric organ ⓘ |
| family | Mormyridae NERFINISHED ⓘ |
| genus | Gnathonemus NERFINISHED ⓘ |
| geographicDistribution |
Central Africa
NERFINISHED
ⓘ
West Africa NERFINISHED ⓘ |
| habitat |
floodplains
ⓘ
freshwater ⓘ slow-moving rivers ⓘ |
| hasOrgan |
electric organ in caudal peduncle
ⓘ
enlarged cerebellum-like brain region ⓘ |
| keptAs | aquarium fish ⓘ |
| kingdom | Animalia ⓘ |
| maximumLength | about 35 cm ⓘ |
| namedAfter | Wilhelm Peters NERFINISHED ⓘ |
| nativeTo |
Africa
ⓘ
Niger River basin NERFINISHED ⓘ Ogooué River basin NERFINISHED ⓘ |
| order | Osteoglossiformes NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| reproduction | egg-laying ⓘ |
| sensorySystem |
electroreception
ⓘ
lateral line system ⓘ |
| taxonRank | species ⓘ |
| typicalLength | 20–25 cm ⓘ |
| usesElectricFieldsFor |
communication
ⓘ
navigation ⓘ |
| waterTypePreference |
slightly acidic water
ⓘ
soft water ⓘ |
| yearDescribed | 1862 ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Xenomystus nigri