{"id":29721,"date":"2018-07-10T08:59:59","date_gmt":"2018-07-10T12:59:59","guid":{"rendered":"https:\/\/www.fondriest.com\/news\/?p=29721"},"modified":"2025-01-13T12:58:47","modified_gmt":"2025-01-13T16:58:47","slug":"deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures","status":"publish","type":"post","link":"https:\/\/www.fondriest.com\/news\/deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures.htm","title":{"rendered":"Deep-sea Biodiversity Expedition Uncovers Thousands of Creatures"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">What do more than a dozen new species of crustaceans, Cyclone Marcus, 31 researchers and support staff, more than 40 new records for Indonesia, and more than 12,000 marine creatures have in common? The successful <\/span><a href=\"http:\/\/news.nus.edu.sg\/press-releases\/south-java-deep-sea-expedition\"><span style=\"font-weight: 400;\">South Java Deep Sea Biodiversity Expedition 2018<\/span><\/a><span style=\"font-weight: 400;\"> (SJADES 2018), of course. The team returned from their odyssey in April, and <\/span><a href=\"http:\/\/www.dbs.nus.edu.sg\/staff\/peterng.html\"><span style=\"font-weight: 400;\">Professor Peter Ng<\/span><\/a><span style=\"font-weight: 400;\">, Head of the Lee Kong Chian Natural History Museum of the National University of Singapore, and <\/span><a href=\"https:\/\/www.researchgate.net\/profile\/Dwi_Listyo_Rahayu\"><span style=\"font-weight: 400;\">Professor Dwi Listyo Rahayu<\/span><\/a><span style=\"font-weight: 400;\">, Senior Research Scientist at the Research Center for Oceanography of the Indonesian Institute of Sciences, corresponded with EM about the expedition.<\/span><\/p>\n<h3><span style=\"color: #808080;\">Documenting biodiversity in the Java Deep Sea<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Professors Ng and Rahayu led the team on the 14-day expedition.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cThe overall aim was to see what deep water animals are in southwestern Java, which is an area not well sampled before,\u201d explains Professor Rahayu. \u201cIn fact, that whole area has hardly ever been sampled for deep water animals at all.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The expedition team made up for lost time, collecting some 800 species from more than 200 families of crabs, fishes, jellyfishes, mollusks, prawns, sponges, starfish, urchins, and worms during the voyage. The team discovered more than a dozen completely new species of crabs, hermit crabs, lobsters, and prawns, and over 40 species that are new records for Indonesia.<\/span><\/p>\n<div id=\"attachment_29740\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29740\" class=\"size-large wp-image-29740\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/07\/Chief-scientists-some-team-members-600x455.jpg\" alt=\"Deep-sea Biodiversity Expedition\" width=\"600\" height=\"455\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/Chief-scientists-some-team-members-600x455.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/Chief-scientists-some-team-members-300x227.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/Chief-scientists-some-team-members-768x582.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/Chief-scientists-some-team-members-1536x1165.jpg 1536w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/Chief-scientists-some-team-members-2048x1553.jpg 2048w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/Chief-scientists-some-team-members-940x713.jpg 940w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-29740\" class=\"wp-caption-text\"><span style=\"color: #808080;\">NUS Professor Peter Ng (back row, center) and LIPI Professor Dwi Listyo Rahayu (second from right) with some expedition team members showing off the giant red shrimp (Aristaeus sp.) collected during the trip. (Credit: SJADES2018)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">\u201cMost [of the new species] were crabs, shrimps, and lobsters as we had the world experts on board who knew their animals well,\u201d remarks Professor Ng. \u201cWe had a number of very cool spider crabs, a beautiful green-eyed hermit crab, a zebra-patterned squat lobster, and even a beautifully sculptured shrimp with glowing eyes. And of course, we found a 30-centimeters-long deep water isopod to boot!\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In all, the researchers sampled at 63 stations at depths of an average of 800 meters in less than 14 days, on a round-trip loop from Jakarta that covered 2,200 kilometers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cWe used 4 methods: trawl, dredge, box-corer and multicorer,\u201d Professor Rahayu describes. \u201cThese methods help us sample different systems for different animals. In 12 operational days, we covered 63 stations. It may sound like a lot, but it is reasonable. Some of the expedition members, especially the crustacean team, are world experts on various groups of shrimps, crabs and lobsters. They know the fauna very well so they can quickly identify what is what is new and what is not.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Initially, the team ran into difficulties due to Cyclone Marcus. Thanks to a day or two of cyclone conditions in the open sea, it was a trial by fire for new researchers, so to speak.<\/span><\/p>\n<div id=\"attachment_29725\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29725\" class=\"size-large wp-image-29725\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/07\/deepSea_hermit_crab_EDIT-600x418.jpg\" alt=\"Deep-sea Biodiversity Expedition\" width=\"600\" height=\"418\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_hermit_crab_EDIT-600x418.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_hermit_crab_EDIT-300x209.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_hermit_crab_EDIT-768x535.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_hermit_crab_EDIT-1536x1070.jpg 1536w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_hermit_crab_EDIT-2048x1427.jpg 2048w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_hermit_crab_EDIT-940x655.jpg 940w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-29725\" class=\"wp-caption-text\"><span style=\"color: #808080;\">This distinctive new species of Paguristes hermit crab has green eyes and orange banded pincers. (Credit: SJADES2018)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">\u201cWhen you are in the open sea\u2014we were in the Indian Ocean\u2014the waves are generally higher, so the impact on us was much greater,\u201d remarks Professor Rahayu. \u201cFor land-lubbers like us, it is hard. Many of us were seasick on the first day. By the second day, we were getting acclimatized. The catch was good and we just carried on. A lot of things were new to us\u2014deep-water trawling, setting gear at depths of 2000 meters\u2014it was not easy for the scientists and crew, but we learned on the job.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Another source of unexpected learning for the team came from the depth maps for the region, in that many of them were incorrect.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cI remember a place where the depth was indicated as 100 meters and the vessel\u2019s echo-sounder on the boat, which checks for the depth, indicated it as 800 meters,\u201d Professor Ng describes. \u201cMany parts of the map were done many years ago, so inaccuracies can be expected. It makes for much harder work especially when you send your trawl down on what you think is a flat area and then it suddenly goes up and down. But as with all of these things, you adapt!\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The team did not focus on water sampling, testing, or quality analysis during the trip as that was not their focus. The main objective of the expedition was to conduct a biological survey of the area, so they stuck to exploring marine life in the region. However, the specimens did provide some insight into the local water quality.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cWe believe the water quality in most parts of the deeper waters is pretty good as the fauna is rich,\u201d states Professor Rahayu. \u201cDiversity of fauna correlates well with environmental health.\u201d<\/span><\/p>\n<h3><span style=\"color: #808080;\">Building bridges with science<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The professors leading this expedition each have a long history of successful scientific collaborations, and they wanted to use this powerful tool with their students to foster the same values in the next generation of researchers.<\/span><\/p>\n<div id=\"attachment_29727\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29727\" class=\"size-large wp-image-29727\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-600x903.jpg\" alt=\"Deep-sea Biodiversity Expedition\" width=\"600\" height=\"903\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-600x903.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-199x300.jpg 199w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-768x1156.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-1020x1536.jpg 1020w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-1360x2048.jpg 1360w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-940x1415.jpg 940w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deepSea_striped_lobster_EDIT-scaled.jpg 1700w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-29727\" class=\"wp-caption-text\"><span style=\"color: #808080;\">This was among the 20 species of squat lobsters found by scientists on the expedition. This beautiful species has a distinctive zebra pattern on its body. (Credit: SJADES2018)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">\u201cIn 2002, Indonesia and Singapore tasked my Indonesian friend, the late Kasijan Rohmimohtarto, and I to organize a biodiversity expedition to Anambas Islands,\u201d details Professor Ng. \u201cIt was part of the ASEAN confidence building in matters pertaining to the South China Sea. Since then, we have been exploring if we can do more. As I have been doing a fair amount of deep-water studies of animals in the Indo-Pacific, I was keen to see if we could one day do a deep-water survey as well. My present co-chief scientist Prof Rahayu has the same deep-water interest, and she and I have worked together on many deep-water crustacean projects before, so we discussed possibilities. And after much planning\u2014we did it.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The team sees the expedition as not only scientifically important but significant for the relationship between Singapore and Indonesia.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cIn a way, we are using science to forward our national relationship,\u201d comments Professor Ng. \u201cIndonesia and Singapore have been close partners for a large variety of projects, and of course, that includes science. Having scientists work together like this is wonderful, not just strengthening ties but ensuring the future. Both Prof Rahayu and I made sure that about two-thirds of the expedition team were scientists who are 40 and below. Many did not know each other initially. What was good was that they are now good friends, and we hope they will take these close ties to the next generation. Prof Rahayu and I have worked together for decades, and now, we have helped to strengthen the scientific ties and lay the foundation for the next lap.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is also crucial to keeping new scientists engaged with our world underwater, where old-school techniques become new again as technologies advance. This kind of research has to be a passion for anyone who does it.<\/span><\/p>\n<div id=\"attachment_29726\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29726\" class=\"size-large wp-image-29726\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/07\/deep_sea_fuzzy_crab_EDIT-600x450.jpg\" alt=\"Deep-sea Biodiversity Expedition\" width=\"600\" height=\"450\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deep_sea_fuzzy_crab_EDIT-600x450.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deep_sea_fuzzy_crab_EDIT-300x225.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deep_sea_fuzzy_crab_EDIT-768x576.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deep_sea_fuzzy_crab_EDIT-1536x1152.jpg 1536w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deep_sea_fuzzy_crab_EDIT-2048x1536.jpg 2048w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/07\/deep_sea_fuzzy_crab_EDIT-940x705.jpg 940w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-29726\" class=\"wp-caption-text\"><span style=\"color: #808080;\">A stunning orange species now ascribed to Rochinia with many strong spines. Only one specimen of this rare species was obtained from southwestern Java. (Credit: SJADES2018)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">\u201cDeep sea exploration using our sampling methods is not a new science,\u201d details Professor Rahayu. \u201cThe methods are generally the same as those done decades ago. However, we have more modern equipment and a modern vessel. Technology enables but does not solve all problems. The deep sea is a harsh environment to study, as it is complex and expensive. It is almost like an alien world deep below. The depths are punishing due to the extreme pressures the water exerts. There is no light. The terrain is mostly uncharted, rough and unpredictable. It is hard work. A lot of the sampling that we did was based on instincts, reacting to the challenges as they happen (e.g. when the trawl gets snagged by a rock in the deep) or when the waves threaten to throw everyone off the boat.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This kind of research also reminds the rest of humanity why the oceans deserve our attention and respect.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cDid you know more people have been to the moon than to the deepest parts of our oceans?\u201d marvels Professor Ng. \u201cIt is tragic that we know more about an extra-terrestrial object than we know about our own planet and the life forms that live here. We must change this. We must understand our own planet better and do our best to conserve it as it is our only home!\u201d<\/span><\/p>\n<p><em><span style=\"color: #808080;\">Top image:\u00a0Expedition member Mr. Muhammad Dzaki Bin Safaruan holding the newly discovered giant sea cockroach. (Credit: SJADES2018)<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A research team from Singapore and Indonesia brought thousands of samples back from a deep-sea biodiversity expedition, including at least 12 new species.<\/p>\n","protected":false},"author":31,"featured_media":29724,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,7,8,44],"tags":[118,135,798,801,512,103,109,799,800],"class_list":["post-29721","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aquatic_species-htm","category-news","category-newsfeed","category-oceans-coasts","tag-aquatic-species","tag-biodiversity","tag-cyclone-marcus","tag-dredge","tag-national-university-of-singapore","tag-news-2","tag-news-ticker","tag-sjades-2018","tag-trawl"],"remote_post_permalink":false,"remote_post_featured_image":false,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Deep-sea Biodiversity Expedition Uncovers Thousands of Creatures<\/title>\n<meta name=\"description\" content=\"A research team from Singapore and Indonesia brought thousands of samples back from a deep-sea biodiversity expedition, including at least 12 new species.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fondriest.com\/news\/deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures.htm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Deep-sea Biodiversity Expedition Uncovers Thousands of Creatures\" \/>\n<meta property=\"og:description\" content=\"A research team from Singapore and Indonesia brought thousands of samples back from a deep-sea biodiversity expedition, including at least 12 new species.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fondriest.com\/news\/deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures.htm\" \/>\n<meta property=\"og:site_name\" content=\"Environmental Monitor\" \/>\n<meta property=\"article:published_time\" content=\"2018-07-10T12:59:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-13T16:58:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/07\/deepSea_sea_roach_EDIT.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"3324\" \/>\n\t<meta property=\"og:image:height\" content=\"2246\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Karla Lant\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Karla Lant\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures.htm#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures.htm\"},\"author\":{\"name\":\"Karla Lant\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/#\\\/schema\\\/person\\\/51170f7bfa3a05b94cea6f517ce4e79b\"},\"headline\":\"Deep-sea Biodiversity Expedition Uncovers Thousands of Creatures\",\"datePublished\":\"2018-07-10T12:59:59+00:00\",\"dateModified\":\"2025-01-13T16:58:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures.htm\"},\"wordCount\":1427,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/deep-sea-biodiversity-expedition-uncovers-thousands-of-creatures.htm#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/news.fondriest.com\\\/wp-content\\\/uploads\\\/2018\\\/07\\\/deepSea_sea_roach_EDIT-scaled.jpg\",\"keywords\":[\"aquatic species\",\"biodiversity\",\"Cyclone Marcus\",\"dredge\",\"National University of Singapore\",\"news\",\"news ticker\",\"SJADES 2018\",\"trawl\"],\"articleSection\":[\"Aquatic Species\",\"News\",\"Newsfeed\",\"Oceans &amp; 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