Seasons in the Sea - A month-by-month guide to Central California sea life
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Coastal estuary; Image credit: City of Mountain View

Coastal estuaries

in August

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Diver-at-work symbol (c) Kim Fulton-Bennett This page under construction.
Here are some of the topics that will be covered in this chapter. More text and images will eventually be added to this section. Thank you for your patience.

Estuary events in August:

  • Olive snails mate and lay eggs.
  • Mud crabs (Hemigrapsus oregnonensis) and Cancer gracilis crabs release larvae (after carrying their eggs for a month or two). These larvae may be safer at this time of year, when many small spawning fish have left the slough.
  • Leopard shark populations peak in Elkhorn Slough. Juvenile sharks feed on mud crabs. and green algae (both of which are abundant at this time of year).
  • Shovelnosed guitarfish populations peak in Elkhorn Slough, where they eat mostly mud crabs, and a few bottom fish.
  • Migrant birds begin arriving and passing through estuaries. Whimbrels become especially numerous during their southward migration.
  • Large numbers of Polyorchis jellies bloom in the slough during some years.
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