WEBVTT 1 00:00:03.733 --> 00:00:06.367 Today is a dive dedicated to submarine 2 00:00:06.367 --> 00:00:10.133 canyons. These are important habitat for 3 00:00:10.133 --> 00:00:13.533 variety of deepwater animals. Several studies 4 00:00:13.533 --> 00:00:16.800 have shown that these enhance diversity and 5 00:00:16.800 --> 00:00:23.600 also abundance. There has been very limited 6 00:00:23.600 --> 00:00:30.000 work done on these kind of habitat. Now, a lot 7 00:00:30.000 --> 00:00:32.000 of these places up here in northwest Hawaiian 8 00:00:32.000 --> 00:00:35.533 Islands were sampled in 1902 by the Albatross. 9 00:00:35.533 --> 00:00:38.800 This ship that was by many considered the 10 00:00:38.800 --> 00:00:41.400 first large oceanographic research 11 00:00:41.400 --> 00:00:46.600 vessel. They did close to 350 trawls down to 12 00:00:46.600 --> 00:00:52.367 depths of three thousand meters. Hey Chris, thank 13 00:00:52.367 --> 00:00:54.367 you so much for capturing beautiful 14 00:00:54.367 --> 00:00:59.800 imagery of this animal. That animal is not in 15 00:00:59.800 --> 00:01:02.567 the HURL guide. In the immortal words of Taylor 16 00:01:02.567 --> 00:01:05.700 Smith "I have never, like ever, seen that 17 00:01:05.700 --> 00:01:12.200 one". Excellent. This is exactly what we expected 18 00:01:12.200 --> 00:01:14.433 to find in a submarine canyon which are 19 00:01:14.433 --> 00:01:18.600 notorious for having a higher density as well 20 00:01:18.600 --> 00:01:21.933 as a higher diversity of animals. They have even 21 00:01:21.933 --> 00:01:26.000 been deemed to be hotspots of diversity. 22 00:01:33.700 --> 00:01:35.833 So yeah that large anemone that is now in 23 00:01:35.833 --> 00:01:38.200 view, that is in the genus Calliactis, the 24 00:01:38.200 --> 00:01:44.200 small individual next to it is unknown to us. 25 00:01:49.900 --> 00:01:52.700 It's it's beneficial for a lot of these organisms 26 00:01:52.700 --> 00:01:55.767 to get higher up in the water column so they 27 00:01:55.767 --> 00:01:58.567 basically have more flow over the tissues that 28 00:01:58.567 --> 00:02:03.500 they can use to capture food. It's been about 29 00:02:03.500 --> 00:02:06.833 four hours now on the bottom, transit about 30 00:02:06.833 --> 00:02:09.567 600 meters on this rift zone ridge, collected 31 00:02:09.567 --> 00:02:13.133 two biological samples which are going to be 32 00:02:13.133 --> 00:02:17.500 very valuable to analyze in the laboratory. The 33 00:02:17.500 --> 00:02:19.600 coral samples in particular are like 34 00:02:19.600 --> 00:02:22.100 nothing we have seen before in this region. 35 00:02:22.100 --> 00:02:26.767 Where in Papahanaumokuakea for 36 00:02:26.767 --> 00:02:30.367 example some rudimentary analysis and baseline 37 00:02:30.367 --> 00:02:32.767 inventories that were done suggest that we 38 00:02:32.767 --> 00:02:35.900 have about seven thousand marine species, 39 00:02:35.900 --> 00:02:37.900 about twenty five percent are found no 40 00:02:37.900 --> 00:02:40.167 where else on the planet. As we are 41 00:02:40.167 --> 00:02:42.167 starting to look deeper and deeper we are coming 42 00:02:42.167 --> 00:02:44.667 back with new species, new genre, and 43 00:02:44.667 --> 00:02:47.100 potentially new families. So really 44 00:02:47.100 --> 00:02:49.500 highlighting that we've only really scratched 45 00:02:49.500 --> 00:02:52.000 the surface and it's the tip of the iceberg, and 46 00:02:52.000 --> 00:02:55.033 that there is a lot of biodiversity that 47 00:02:55.033 --> 00:03:01.033 remains to be discovered.