From left: 1mm, 1.1mm, 190 µm
From left: 1mm, 1.1mm, 190 µm
| Size under dissecting microscope: 190µm to >1mm Size under compound microscope: same |
| Morphology: There are many species of polynoids at the 9°N vents and we have not attempted to assign any of the forms we find in the plankton samples to species. Most of the morphotypes we collect are actually juveniles; it is not uncommon for polynoids to metamorphose in the plankton and live there for extended periods before settlement (Young et al., 2001, p.211). They are characterized by having long parapodia and chaetae and large blunt heads with various appendages. They may retain their scales, but these are easily lost. |
| Frequency: Pump EPR 1999-2000: Occasional Pump EPR 2004: Frequent |
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