Seven undergraduate students from Newcastle University have been on campus since July 1, assimilating with various research groups at CEI. Each student is working on an individual project for their undergraduate thesis. Click below for a summary of the projects:
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Last week the Cape Eleuthera Institute and the Island School welcomed 18 South Eleutheran children to campus for a sleep away camp focusing on the world we live in and how we can preserve it. Through the camp the kids, who range in age from 9 to 13, are getting to snorkel, dissect fish, participate in research in the fields of conch and bonefish, and travel to the Ocean hole and Rock Sound caves. All of this is coupled with lessons and education on the nature that these children encounter in their daily lives on the island.
It is the hope of the camp that the kids will take back some lessons in water preservation, harmful effects of lionfish on native ecosystems and living a more sustainable life, and further their education on these topics in the future. Continue reading
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The lionfish team has recently finished their fish abundance surveys, which are undertaken every three months. They visited sixteen reef patches in the Exuma Sound over three days. There are generally two or three recorders (who need to have top notch fish identification skills!). Two team members jump in onto the patch and do roving surveys and record all the fish they can see. Since the patches are part of a lionfish removal versus non-removal comparison study, they also record the number and size of both lionfish and competitors for lionfish, such as groupers.
Next, they lay three random transects over the reef and record the species and size of all the fish within one meter of the transect tape. The third recorder lays two transects on the sand on either side of the reef – there’s much fewer fish out there! Finally, if the site is a lionfish removal site, they spear all the lionfish on the patch and take them back to the lab for dissection.
The team was out on the boat the couple of days before tropical storm Chantal was supposed to hit Eleuthera and the weather was crazy! It could change from bright sunshine to lashing rain and waves crashing over the bow in minutes. Despite those moments, the team had a fun time and saw some pretty cool stuff; there was an octopus on one transect, as well as a Dwarf seahorse and a pipefish near different patches. Continue reading
by Here is a brief background on our new Shark Research Associate, Dr. Owen R. O’Shea:
I am a marine ecologist with a background in coral reef ecology and elasmobranch biology. I completed my PhD with Murdoch University and The Australian Institute of Marine Science (AIMS) in 2012 where I worked on tropical dasyatids from Ningaloo Reef, Western Australia. My research so far has highlighted critical ecological functions of sharks and rays within tropical marine ecosystems, including tidal periodicity of manta rays and sharks to oceanic cleaning stations, biophysical processes at inshore reefs by stingrays as well as assessing the spatial ecology of coral reef associated elasmobranch species. My research ambitions align well with the Shark Research and Conservation Program at CEI and I am looking forward to helping out with existing projects as well as developing further research programs, relevant for elasmobranchs in this region.
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After leading the Deep Creek Natural History Camp, two of our Educational Programs staff helped out with the Bahamas Reef Environment Educational Foundation (BREEF) week-long SeaCamp. They met up with the campers in Governor’s Harbour (GH) for a field trip. When they got to the Haynes Library, the BREEF camp leader (and IS/CEI alum) – Allanah – had all the kids excited and ready for their first field trip.
The first stop was the Hatchet Bay Caves and then they toured a brand new, organic farm just across from the caves. The kids learned all about the farm including the mango trees that will fruit twice a year and the miracle fruit that makes anything you eat, after eating this fruit, taste like the sweetest thing. It felt like a field trip to Willy Wonka’s chocolate factory! Next they went to Cheetah’s pineapple farm and learned about the lost art of farming pineapple in the red soils of Eleuthera. Several kids went home with ‘pineapple slips’, part of the plant you can pop into some water and 19 months late have a fruit to eat. And that was just the morning!
Continue reading
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This June, The Flats Ecology Program (FECP) continued its bonefish tagging efforts as part of The Bahamas Initiative, an ongoing project between CEI, the Fisheries Conservation Foundation, and the Bonefish and Tarpon Trust, to assess population size, movements, and growth of The Bahamas’ bonefish population. The latest tagging efforts on Grand Bahama Island, funded in part by The Moore Foundation, brought a close to the six week research expedition across The Bahamas by CEI and Stony Brook University researchers (see “Shark Expedition” updates below).
CEI researcher Zach Zuckerman and FECP collaborator Justin Lewis first targeted bonefish near Lucayan National Park along the southern shore of Grand Bahama. Due to high winds and pounding surf, the researchers trailered their boat to the southeastern tip of the Island, near Deep Water Cay, and almost immediately spotted schools of fish. To capture bonefish, the researchers quickly and stealthily unravel a 150 ft. net a distance in front of the school, then rush to encircle the fish. The fish are allowed a few minutes to settle down before individuals are hand netted from the school, length measurements recorded, sex determined based on the presence of milt (sperm) or eggs, and an external tag embedded in the dorsal muscle of the fish. The tag has both a unique number and contact information printed on it so that fishermen and guides can report when and where fish are recaptured, thus providing The Bahamas Initiative tagging program with invaluable data on growth and movement.
A total of 102 fish were captured, three of which had been previously tagged. Included in the 99 newly tagged individuals was a whopping 67.2 cm (26.5 in) fish estimated at 11 pounds – the second largest bonefish tagged to date in The Bahamas! In addition to bonefish, several juvenile and adult lemon sharks and bonnethead sharks were also tagged along the northern shore of the island with the assistance of guides from H2O Bonefishing, Freeport. Continue reading
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How do fish handle stress? With the rise of human and climate related stressors, researchers are actively exploring how fish react to these conditions. Naomi Pleizier, a MSc. student from the Cooke Lab at Carleton University, Ottawa, Canada, ventured to CEI to discover how short-term stress affects the long-term fitness of one of the mangrove ecosystem’s most charming residents, the checkered puffer fish (Sphoeroides testudineus).
Adapted to the dynamic mangrove habitat, checkered puffers are well equipped to handle the fluctuating environment and the threat of predators. This species has an amazing tolerance of a range of salinities and temperatures. Predators must beware of these harmless looking little fish; not only do they puff to an incredible size in response to threats; they are also rendered toxic by the plankton living in their tissues. Not only that, but they have a mean bite, as study volunteers can attest to!
The puffers’ active responses to predators make them an excellent candidate for the study of stress. The research team collected puffers from Paige Creek and transported them to the CEI lab for treatment. Continue reading
by This week has been a busy one for the Shark Team. We are fortunate to have three wonderful guests on the boat:
Dr. Michael Scholl of the Save Our Seas Foundation arrived Saturday morning followed by Jason Heaton and Gishani Heaton who are here doing a piece for Gear Patrol focusing on the Shark Research and Conservation Program.
We spent Monday out on the boat searching for reef sharks with our physiology project and had some luck! We hooked a Caribbean reef shark quite early and had the chance to get some great photos underwater before bringing the small male to the boat and doing a complete workup. Gishani got some wonderful photos from the boat while Dr. Scholl and Jason were in the water taking video and snapping some photos as well. It was a very successful day and everyone was excited to be a part of such an exciting project. More than anything, we were happy to see the shark swim off unharmed and have a complete data set.
Tuesday was full of more shark sets and diving opportunities for Jason and Gishani. We had no luck on the lines, but did have the chance to see a free swimming Caribbean reef shark at the offshore aquaculture cage. Continue reading
by Last week our Educational team led a three day natural history camp for nine kids from Deep Creek and the surrounding settlements. In addition to camp songs, rounds of the game ‘screaming toes’ and scavenger hunts, our educators introduced students to the terrestrial and marine life on the shores of Red Bays, Deep Creek and Paige Creek.
Adventure Log
Day 1: After intros and icebreakers we went to the beach to do a scavenger hunt, and build our own mangroves on the beach. In the afternoon, the group learned how to identify the red, white and black mangrove trees of Deep Creek and explored the slippery, slimy mud found here.
Day 2: A field trip to the Island School! The kids learned how to work together to move kayaks, both in the water and on land! After all that hard work in the morning, we hiked up Paige Creek and lazily floated out with the tide, identifying fish and invertebrates along the way.
Day 3: On our final day of camp, we went seining in the creeks with two of our interns, Stephen and Liam. After a couple of attempts, we successfully caught several species of fish and learned how climate change is affecting fish in these creeks – research our Flats team is currently conducting at CEI. After a picnic lunch in Deep Creek, the group showcased what they’d learned about life in the mangrove ecosystem by creating posters depicting the life found there.
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Lillian Tuttle is a PhD. student from Mark Hixon’s lab at Oregon State University, who is working at CEI for 90 days this summer studying the lionfish invasion. Broadly, Lillian is interested in the interactions among invasive lionfish, native parasite communities, and native cleaning symbioses. Her past research demonstrates that invasive lionfish have escaped the threat of parasitic infection here in the Atlantic, especially when compared to native fishes that are chocked full of parasitic worms and crustaceans. Without the need to fight infection, lionfish might be able to put more energy into growth and reproduction, perhaps explaining some of their success as an invasive species. But if lionfish don’t have parasites, might they still change the way that native fish get parasites?
This brings us to Lillian’s project this summer. Thus far, Lillian has logged many hours of observation and deployed many GoPro cameras to detect what lionfish are doing at cleaning stations, locations on the reef where small “cleaner” gobies and shrimp pick the parasites off the skin of larger fish “clients” (think, car washes in the sea!). Are lionfish eating cleaners? Are lionfish eating clients? Or might the slow, stalking, hunting behavior of lionfish interrupt cleaning somehow? These are all questions Lillian hopes to answer this summer at CEI.
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