Related how?

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
Percomorpha

Ophidiiformes (574457)

Children (14 direct children, 1043 direct and indirect children):

Parabrotulidae (tree size 6)

Aphyonidae (tree size 49)

Ophidiidae (tree size 492)
Cusk-eels

Carapidae (tree size 121)
Pearlfish

Bythitidae (tree size 357)
The brotulas

Ampheristus

Eolamprogrammus

Nolfophidion

Protobrotula

Bythitoidei (tree size 3)

Ophidioidei

Pastorius (tree size 1)

Ophididae

Rhodichthyidae