WEBVTT

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Today is a dive
dedicated to submarine

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canyons. These are
important habitat for

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variety of deepwater
animals. Several studies

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have shown that these
enhance diversity and

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also abundance. There
has been very limited

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work done on these kind
of habitat. Now, a lot

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of these places up here
in northwest Hawaiian

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Islands were sampled in
1902 by the Albatross.

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This ship that was by
many considered the

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first large
oceanographic research

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vessel. They did close
to 350 trawls down to

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depths of three thousand
meters. Hey Chris, thank

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you so much for
capturing beautiful

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imagery of this animal.
That animal is not in

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the HURL guide. In the
immortal words of Taylor

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Smith "I have never,
like ever, seen that

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one". Excellent. This is
exactly what we expected

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to find in a submarine
canyon which are

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notorious for having a
higher density as well

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as a higher diversity of
animals. They have even

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been deemed to be
hotspots of diversity.

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So yeah that large
anemone that is now in

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view, that is in the
genus Calliactis, the

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small individual next to
it is unknown to us.

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It's it's beneficial for
a lot of these organisms

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to get higher up in the
water column so they

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basically have more flow
over the tissues that

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they can use to capture
food. It's been about

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four hours now on the
bottom, transit about

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600 meters on this rift
zone ridge, collected

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two biological samples
which are going to be

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very valuable to analyze
in the laboratory. The

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coral samples in
particular are like

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nothing we have seen
before in this region.

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Where in
Papahanaumokuakea for

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example some rudimentary
analysis and baseline

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inventories that were
done suggest that we

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have about seven
thousand marine species,

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about twenty five
percent are found no

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where else on the
planet. As we are

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starting to look deeper
and deeper we are coming

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back with new species,
new genre, and

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potentially new
families. So really

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highlighting that we've
only really scratched

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the surface and it's the
tip of the iceberg, and

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that there is a lot of
biodiversity that

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remains to be
discovered.