Pigment Effector Cells in a Cnidarian

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Science  31 Aug 1962:
Vol. 137, Issue 3531, pp. 689-690
DOI: 10.1126/science.137.3531.689


Chromatophore complexes are described in the siphonophore Nanomia cara. The dispersion and concentration of pigment are related to variation in light intensity and do not appear to be endogenously influenced. The pigment, possibly an ommochrome, has an absorption maximum at 465 to 470 mµ.