A fact from Molgula citrina appeared on Wikipedia's Main Page in the Did you know column on 26 January 2015 (check views). The text of the entry was as follows:
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When I read that "the eggs are opaque and have red or yellow yolks", I trust that opaque does indeed signify "opaque", that is to say, not translucent. If the red and yellow egs are visible within the egg without dissecting it, then the egg is translucent, not opaque. Cardboard is opaque. fingernails translucent.--Wetman (talk) 17:58, 26 January 2015 (UTC)[reply]
The source described the eggs as opaque so I followed suit. A hen's egg has an opaque yolk and translucent "egg white". Is it opaque? Cwmhiraeth (talk) 18:26, 26 January 2015 (UTC)[reply]