Humeral spot (from Latin ''

humerus The humerus (; : humeri) is a long bone in the arm that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm, the radius (bone), radius and ulna, and consists of three sections. The humeral upper extrem ...

'', pertaining to the shoulder) is a mark or pattern found on several species of fish, typically above the

pectoral fin Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish aquatic locomotion, swim. Apart from the tail or caudal fin, fish fins have no direct connection with the vertebral column ...

. In insects, the humeral spot may be found on the costal area of the wing.

References

{{Animal-physiology-stub Humerus Fish physiology Insect physiology