Aquaculture

Close up of small round baby fish with large eyes

Feed me! How examining larval diets could be a game-changer for aquaculture

by Cassie Kaʻapu-LyonsNext time you visit your local pet store, take a look at the fishes. Many of the freshwater fishes available to you have been bred and raised in captivity, but most marine fishes have been harvested from the ...
Close up of a hand holding a large oyster

Research and education to support development of open-water restorative and production aquaculture in Hilo Bay

 Research Projects 2022-2024 PRINCIPAL INVESTIGATOR: Maria Haws Co-INVESTIGATORS: Karla J. McDermid Smith Research Track: Aquaculture The Hilo Bay Research and Training Farm is one of the few open-water, near-shore examples of mariculture in Hawaiʻi distinct from Hawaiian fishponds. Since its ...
Close up of small round baby fish with large eyes

Resolving the diet of marine fish larvae to increase aquaculture opportunities

 Research Projects 2022-2024 PRINCIPAL INVESTIGATOR: Brian Bowen Sea Grant Graduate Fellow: Cassie Kaʻapu-Lyons Research Track: Aquaculture The majority of the freshwater fishes in the pet store are raised in captivity on fish farms, while the vast majority of the marine ...
Hi'ilei grips a net while standing on a sandy verge near a low rock wall with open water beyond

Resource habitat mapping and diet characterization of native and non-native mullet species to inform adaptive management in He‘eia Fishpond

 Research Projects 2022-2024 PRINCIPAL INVESTIGATOR: Shimi Rii Co-INVESTIGATORS: Rosanna Alegado, Kawika Winter Research Track: Aquaculture Moʻolelo (Hawaiian oral traditions) speak of Meheanu, the moʻo or reptilian freshwater guardian of Heʻeia Fishpond, who functioned as the bringer of abundance by moving ...
A split-level view parallel to a calm water surface, viewing sea cucumbers resting on a sandy, shallow ocean bed below, and blue skies with white clouds above.

Identifying the physiological responses to extreme environmental changes in native Hawaiian sea cucumbers found in traditional fishponds

 Research Projects 2022-2024 PRINCIPAL INVESTIGATOR: Andre Seale Sea Grant Graduate Fellow: Tyler Goodearly Research Track: Aquaculture In Hawaiʻi, there is rising market demand for locally-produced seafood. For the past several years, revitalization and restoration of traditional Hawaiian fishponds, or loko i‘a, ...
Green seaweed grows through netting spread across a PVC frame

Exploring nutrient utilization in native Hawaiian seaweeds for parallel aquaculture development across restoration and sustainability applications

 Research Projects 2022-2024 PRINCIPAL INVESTIGATOR: Craig Nelson Research Track: Aquaculture The primary nutrient source for limu aquaculture by Ocean Era, LLC, an industry partner, is deep ocean water retrieved from 3,000 ft using a specialized pumping system. Future aquaculture efforts ...
Image of a green-tinted giant clam

Man-Eating Clams, Endangered by Man

by Paolo Marra-Biggs (he/him)Giant clams are bottom dwelling behemoths, big ol’ bivalves, that live in tropical waters across the Pacific and Indian oceans. These jumbo clams are ginormous, with some species growing to 4 feet long and weighing 500 pounds ...
Small fish swim in green waters

Can we keep our heads above the data deluge?

by Emily ConklinLast year confronted us with huge amounts of data. In March 2020, I watched, with a pit in my stomach, as COVID-19 case counts continued to climb day after day. Nearly overnight, terms like “exponential growth” and “positivity ...
Microscope image of fish larvae with visible food inside

Resolving the Diet of Larval Marine Fishes to Accelerate Aquaculture Opportunities

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Brian Bowen Graduate Fellow: Emily Conklin, Cassie Kaʻapu-Lyons As the demand for sea food continues to rise, wild stocks are dwindling or disappearing. Meanwhile, the supply of marine ornamental fishes for the aquarium trade faces similar ...
Map view image showing 2/3 of pond-ringing mangrove removed between 2007 and 2017 and project sampling sites

Microbial biogeochemical cycling across a chronosequence of mangrove introductions across Hawaiʻi

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Rosanna Alegado Graduate Scholar: Becca Lensing The red mangrove (Rhizophora mangle) was introduced to Molokaʻi in 1902 and has spread quickly across the main Hawaiian islands. Mangroves are critical to the health of environment where they ...