Fish

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 Indigenous and local knowledge to investigate causes of decline in Hawai‘i estuarine fisheries and develop strategies to support their restoration

 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 technologically advanced of ancient aquaculture systems. By mimicking and enhancing natural processes, a strategy ...
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 environmental 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 production and reduce Hawaiʻi’s reliance on importation. However, fish production 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 regulation 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 communities. 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

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 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 ...
Derek Kraft

Two Hawai‘i graduate students dive into marine policy in Washington, D.C.

March 19, 2021 (Honolulu, HI) – Two graduate students from Hawai‘i, Derek Kraft and Anita Harrington, were awarded the prestigious 2021 John A. Knauss Marine Policy Fellowship and recently began their one-year paid fellowship in Washington, D.C. focusing on critical ...
Talassa tilapia image indicating contents on frozen food box.

Tilapia Market Report: American Samoa, 2019

 Introduction From December 2018 to April 2019, 15 retail grocery stores, one fish market, and nine restaurants in American Samoa were surveyed by Hawai‘i Sea Grant Extension Agent Kelley Anderson Tagarino and American Samoa Community College student interns Raijeli Toanivere, ...