By-the-wind-sailor - "Velella Velella "

A Pelagic Hydroid - blown ashore , after Gales , at Cape Cornwall.
The hydroid travels with the aid of a buoyant bluish purple float containing a horny skeleton with a triangular sail attached.
Below the float are modified Zooid .
A central feeding Zooid ,surrounded by reproductive Zooid - stalks with mouth openings that bud medusa . Released these form eggs and sperm to produce free swimming Larva .
At the periphery a ring of Zooid - short hollow stinging tentacles that catch fish, eggs , plankton ,...
Ref:
2620
Date:
2015-12-09 00:00:00.0
Location:
Cape Cornwall
Photographer:

By-the-wind-sailor - "Velella Velella "

A Pelagic Hydroid - blown ashore , after Gales , at Cape Cornwall.
The hydroid travels with the aid of a buoyant bluish purple float containing a horny skeleton with a triangular sail attached.
Below the float are modified Zooid .
A central feeding Zooid ,surrounded by reproductive Zooid - stalks with mouth openings that bud medusa . Released these form eggs and sperm to produce free swimming Larva .
At the periphery a ring of Zooid - short hollow stinging tentacles that catch fish, eggs , plankton ,...
Ref:
2620
Date:
2015-12-09 00:00:00.0
Location:
Cape Cornwall
Photographer: