melanophore
/ˈmɛlənə(ʊ)fɔː/ /mɪˈlanəfɔː/Zoology
noun
A cell containing melanin; especially such a cell in reptiles, amphibians, and fishes which is contractile and confers the ability to change the depth of colour.
Origin
Early 20th century; earliest use found in Proceedings of the American Academy of Arts and Sciences. From German Melanophor from melano- + -phor.