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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Gnathostomata (Gnathostome)
Eugnathostomata
Teleostomi
Osteichthyes (Bony fish)
Actinopterygii (Ray-finned fishes)
Actinopteri
Neopterygii
Teleostei (Teleost)
Osteoglossocephalai
Clupeocephala
Euteleosteomorpha (Euteleostei)
Neoteleostei
Eurypterygii
Ctenosquamata
Acanthomorphata
Acanthopterygii
Percomorphaceae (Percomorpha)
Eupercaria (Series of real percarian)
Perciformes (Percomorphi)
Percoidei
Percoidea (Perchlike fishes)
Percidae

Gymnocephalus (927216)

Children (9 direct children, 9 direct and indirect children):

Ruffe
Eurasian ruffe

Gymnocephalus acerina
Donets ruffe

Ammersee ruffe
Gymnocephalus ambriaelacus

Balon's ruffe
Gymnocephalus baloni

Schraetzer
Striped ruffe

Gymnocephalus acerinus

Gymnocephalus cernuus
Ruffe

Gymnocephalus messanensis

Gymnocephalus ruber