Roi were collected from 27 sites on Oahu and the Kona coast of the Island of Hawaii to study various aspects of their physiology. Data include laboratory examinations on specimens speared in the field and raised in tanks.

Data are from underwater visual surveys of fish stocks from 41 survey sites on the islands of Oahu and Hawaii, conducted by biologists and technicians of Hawaii's Division of Aquatic Resources (DAR). Survey data at Kealakekua Bay, Island of Hawaii, begin in 1952. Data begin in 1968 for all other sites. The datasets end in 2000, although updates are pending. Serious weaknesses of the data include that (1) transect dimensions were not consistent even within survey sites, and have not generally been recorded on data sheets; (2) survey locations are generally given as place names which are at least somewhat meaningful (e.g., the Monument site at Kealakekua Bay is in front of Cook's Monument), but lat/long of start and end points are not given, and even more fundamentally depth ranges are not given; and (3) some surveys were conducted on SCUBA and some on snorkel but, again, that has not been consistently recorded on data sheets. Additional DAR data from other locations and dates are planned for digitization.

Dataset contains reef fish species, count, and abundance data from sites located throughout the Eastern coastline of Hawaii Island. Fish data are derived from fish and habitat utilization surveys (FAHU) conducted by Hawaii Division of Aquatic Resources divers. FAHU surveys were conducted between December 2022 to October 2023. Fishes were visually identified to a species level when possible, and were then counted and sized (fork length in centimeters). A GPS attached to the dive float was used to determine the location of each transect. Coordinates continuously logged by the GPS correspond to the start and end times of each survey. The FAHU method uses stratified random sampling, where transects are randomly placed within four types of hard-bottom benthic habitats found in East Hawaii. Each FAHU transect consists of a paired fish and benthic survey, where one diver is responsible for the fish survey while the other diver conducts the benthic survey. The fish surveyor lays out the 25m long transect while recording all fish species observed within 2.5m swath on both sides of the transect line. This results in a 5m wide x 25m long surveyed area. The fish surveyor spends between 10-15 minutes counting fish to allow for fast moving and cryptic species to be recorded in the survey.

This dataset was centralized for the Marine Gap Analysis Project of the Hawaii Natural Heritage Program. It was obtained from various principal investigators for a multitude of projects. It includes surveys from 183 locations on the eight main Hawaiian Islands. The data were placed in a relational database.

Surveys of the marine algae, invertebrates and reef fishes of Waikiki and the Kuapa Pond and Maunalua Bay areas of Hawaii Kai were conducted with the objective of the presence and impact of nonindigenous (introduced) marine organisms. Findings were compared with historical records of species reported in these locations and with the results of similar studies conducted in Hawaii and the Pacific. Observations and collections were made at 15 stations at Waikiki in January 2001 and at five stations in Kuapa Pond-Maunalua Bay in February 2002 at 5 stations. A comprehensive literature review of published papers and books and unpublished reports was conducted to develop listings of previous species reports, and the marine invertebrates, fish, mollusk and algae collections at Bishop Museum were queried for information regarding all organisms that had been collected from these areas. The assembled data were developed into a relational data bases used to determine the percent component of the total biota that is nonindigenous or cryptogenic, the number of new reports versus the number of previous reports not found, and a chronology of first reports of introductions. A total of 925 taxa including 749 species were observed or collected in Waikiki, and 384 taxa including 317 species at Kuapa Pond-Maunalua Bay. Of these 52 species designated introduced or cryptogenic (collectively termed NIS) were identified at Waikiki, for an NIS component of 6.9% of the total species identified for the 15 stations. By comparison 58 NIS were observed or collected at Kuapa Pond-Maunalua Bay amounting to an NIS component of total species of 18%. Forty-six of the 52 NIS were new reports for Waikiki, and 56 of the 58 NIS new for Kuapa Pond- Maunalua Bay sites. However, all but three species, hydroids collected from Waikiki designated cryptogenic, were previously reported elsewhere in Hawaii, with first reports mostly in Pearl Harbor, Honolulu Harbor or Kaneohe Bay. The high incidence of first reports for Waikiki and the Hawaii Kai area in this study are clearly effort related, since these were the first comprehensive sampling efforts that have been conducted at these locations. This dataset includes the complete report from this study in PDF format and output from the relational database as .xls and .csv spreadsheet files.