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Fig. 6 | Frontiers in Zoology

Fig. 6

From: Quantifying phenotype-environment matching in the protected Kerry spotted slug (Mollusca: Gastropoda) using digital photography: exposure to UV radiation determines cryptic colour morphs

Fig. 6

a UV-exposed slugs contained a significantly greater estimated volume of black pigment than darkness-reared slugs. Volume fraction estimates are expressed as percentages. TS of integument from b a darkness-reared (brown) juvenile and c a UV-exposed (black) juvenile (mag. ×200). Black pigment is concentrated in the outer epithelia of both slug colour morphs

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