3 ms·
Based on what appears to be pattern in the "top brain" I believe it to be some kind of secretion or filtering organ. Based on my reference links above in the
by BioSciCreative 10y ago
Based on what appears to be pattern in the "top brain" I believe it to be some kind of secretion or filtering organ. Based on my reference links above in the reply to bluenose69, I think it is the digestive gland. The stomach is actually much smaller and has a hollow opening at the very "top" of the octopus.