Members: 2 genera; 2 families.
English: Milkfish.
Synonym: Gonorhynchiformes.
Clades: Anotophysi; Ostariophysi;
Habitat: marine and freshwater.
Use: important food source.
ZoologyRay-finned fish; they have small mouths, no teeth; they have a primitive Weberian apparatus formed by the first three vertebrae, one or more cephalic ribs within the head, maybe a hearing organ, found in a more advanced and complex form in the related cypriniform fish, such as carp; they produce a substance from their skin when injured that dissolves into the water and acts an alarm signal to other fish.
GeneraSuborder Gonorynchoidei: Beaked sandfishes
Family Gonorynchidae: Gonorynchus.
Suborder Chanoidei
Chanidae: Chanos.
Suborder Knerioidei
Family Kneriidae: Cromeria, Grasseichthys, Kneria, Parakneria.
Family Phractolaemidae: Phractolaemus.