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Fish

A pile of algae-covered rocks sit in clear shallow waters, with black-striped yellow fish swimming around them

Employing traditional practices to protect coastal infrastructure and enhance nearshore fisheries in Hawaiʻi

 Research Projects 2026-2028 PRINCIPAL INVESTIGATOR: Robert Toonen Graduate fellow: ʻAʻaliʻi Kelling Research Track: Island Sustainability and Resilience Coral reef ecosystems globally, including in Hawaiʻi, are facing profound degradation from multiple, interacting stressors, resulting in severe losses of coral cover, fish ...
Under a crystal blue sky, a beautiful stretch of ocean, turquoise near the beach and deep blue further from shore, reaches from a foreground white sandy beach to mounds of land on the other side of the bay

Optimizing fisheries regulations for a proposed Kailua Marine Managed Area

 Research Projects 2026-2028 PRINCIPAL INVESTIGATOR: Elizabeth Madin Co-INVESTIGATOR: Annie Innes-Gold Graduate fellow: Andrew Petitt Research Track: Island Sustainability and Resilience This interdisciplinary project supports community-led efforts to establish a marine managed area (MMA) in Kailua Bay, Oʻahu, a region severely ...
A low rocky walkway extends along one side of a waist-deep fishpond bounded by trees and built structures, with high volcanic mountains in the distance.

Harnessing local fisher knowledge to test hypotheses for estuarine fisheries decline and develop strategies for management and restoration in Hawaiʻi

 Research Projects 2024-2026 PRINCIPAL INVESTIGATOR: Robert Toonen Sea Grant Graduate Fellow: Nākoa Goo Research Track: Aquaculture Hawaiian fishponds, or loko iʻa, are generally considered the most advanced of ancient aquaculture systems. By mimicking and enhancing ordinary processes, a strategy called ...
View looking at a rippled surface of semi-murky shallow waters with a school of medium-sized silvery fish amongst smaller red-tinged ones swimming near the surface.

The development of acclimation-based rearing strategies to optimize survival and growth in amaʻama or striped mullet, Mugil cephalus

 Research Projects 2024-2026 PRINCIPAL INVESTIGATOR: Andre Seale Sea Grant Graduate Fellow: Reilly Merlo Research Track: Aquaculture Efforts to revitalize traditional Hawaiian fishponds aim to increase sustainable seafood generation and reduce Hawaiʻi’s reliance on importation. However, fish propagation has encountered challenges ...
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 ...
Aerial view of reefs off a sandy beach with superimposed graphics illustrating locations of pens and their layout

Working towards sustainability of Hawaiʻi’s nearshore fisheries through characterizing and modeling fisheries management effects

 Research Projects 2022-2024 PRINCIPAL INVESTIGATOR: Elizabeth Madin Co-INVESTIGATORS: Kirsten Oleson, Lisa McManus, Zack Rago Sea Grant Graduate Fellow: Annie Innes-Gold Research Track: Interdisciplinary Nearshore fisheries provide extremely important services for coastal areas. However, nearly 25 percent of these fisheries, globally, ...
Hi'ilei grips a net while standing on a sandy verge near a low rock wall with open water beyond

Habitat mapping and diet characterization of Hawaiian and invasive mullet species to inform adaptive management in He‘eia Fishpond

 Research Projects 2022-2024 PRINCIPAL INVESTIGATOR: Shimi Rii Co-INVESTIGATORS: Rosanna Alegado, Kawika Winter PI-CASC Graduate Scholar: Sheldon Rosa Research Track: Aquaculture Moʻolelo (Hawaiian oral traditions) speak of Meheanu, the moʻo or reptilian freshwater guardian of Heʻeia Fishpond, who functioned as the bringer ...
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 ...
Article 'The Ocean is Feeling the Heat' by Lonny Lippsett. Includes images of a feeding Blue Whale, Coastal flooding, melting ice sheets.

The Ocean is Feeling the Heat

by Lonny LippsettA fever is rising in the ocean. Our rampant burning of fossil fuels has produced a heat-trapping blanket of carbon dioxide (CO2) in the atmosphere that has warmed the Earth. But the situation would be much worse without ...
Portrait of biologist Dr. Bowen

New species of Ehu, an important food fish in Hawai‘i and the Pacific Islands, named after UH biologist

New species of Ehu, an important food fish in Hawai‘i and the Pacific Islands, named after UH biologist April 16, 2021 (Honolulu, HI) – A new species of Ehu, or deepwater snapper, was discovered during a research study funded by ...
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