Children (10 direct children, 10 direct and indirect children):
Hippichthys cyanospilos
Hippichthys parvicarinatus
Hippichthys penicillus
Beady pipefish
Hippichthys spicifer
Blue spotted pipefish
Hippichthys heptagonus
Small-headed pipefish
Hippichthys albomaculosus
Hippichthys cyanospilus
Hippichthys amakusensis
Hippichthys gazella
Hippichthys luzonica