What is this one?
It doesn't look quite like anything I've seen before. Is this a fragment of something?
by cguigand scientist, admin
it looks like dead organic matter. As the organisms decay and die they slowly sink to the bottom. In the case of gelatinous organisms they collect all kinds of debris and may appear this way
thanks, that type of explanations makes it easier to go on, and make it a bit more fun knowing what are we doing