Shark Watch

March 7 2017


Shark Watch is an ongoing research and citizen scientist project assessing shark & ray populations in the San Francisco bay and coastline on iNaturalist. We also survey eelgrass habitat for elasmobranchs and fishes by dive survey & using the Trident ROV for applied restoration and protection.

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March 7 2017


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Expedition Background

Through subtidal survey we are surveying key eelgrass (Zostera marina) habitat in distinct areas of the San Francisco Bay, critical for many species of invertebrates, fish and marine animals. Applying data acquired by LIDAR and direct survey we will evaluate changes in densities of eelgrass densities and direct impact as a measure of benthic health and changes in Bay and ocean conditions.

A combined public outreach and education project with the National Park Service and Romberg Tiburon Center will help communicate the importance of benthic ecosystems in the Bay, and better understand elasmobranch natural history and movements inside the estuary.


Hello! I am following bat ray die off event in Lake Merritt Feb 13-24th this year. I would be interested in exchanging observations on bat rays. May have access to a Trident later this year..