Statements (27)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:fish | 
| gptkbp:breedingSeason | gptkb:spring | 
| gptkbp:class | gptkb:Actinopterygii | 
| gptkbp:color | brownish olive-green | 
| gptkbp:commonName | gptkb:ruffe gptkb:Eurasian_ruffe | 
| gptkbp:conservationStatus | Least Concern | 
| gptkbp:describedBy | gptkb:Carl_Linnaeus | 
| gptkbp:describedYear | 1758 | 
| gptkbp:diet | invertebrates | 
| gptkbp:family | gptkb:Percidae | 
| gptkbp:foundIn | freshwater lakes rivers | 
| gptkbp:hasSpines | true | 
| gptkbp:introduced | gptkb:North_America | 
| gptkbp:lifespan | up to 11 years | 
| gptkbp:maximumLength | 25 cm | 
| gptkbp:nativeTo | gptkb:Eurasia | 
| gptkbp:notableFor | invasive species in Great Lakes | 
| gptkbp:order | gptkb:Perciformes | 
| gptkbp:scientificName | gptkb:Gymnocephalus_cernua | 
| gptkbp:bfsParent | gptkb:Puruvesi gptkb:Lake_Ilmen gptkb:Gymnocephalus_cernua | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | ruffe |