any observable deformity, dysmorphism, or dysmorphic feature corresponding to a major difference in the shape of head compared to the average shape, often referred to a change in a structure that is already formed.

head deformities

head malformation

INRA:PHASE "INRA PHASE"

TroutPresent

ZebraFishPresent

CarpPresent

SeaBassPresent

SalmonPresent

CodPresent

SeaBreamPresent

TilapiaPresent