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countershading
(english) Common color pattern of organisms in the water column that are dark-colored on top but light-colored on the bottom. This effect may be increased in some organisms by bioluminescent organs on the ventral surface. (See also: water column, bioluminescence, ventral)
(portuguese) Padrão de pigmentação comum nos organismos que vivem na coluna de água e que consiste numa coloração escura em cima e clara em baixo. Este efeito pode ser aumentado nalguns organismos pela presença de órgãos bioluminiscentes na superfície ventral. (See also: water column, bioluminescence, ventral)

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