Hawaiian Grouper Reproductive Biology Data for Over 750 Specimens

Over 750 specimens of Hawaiian grouper (hapu'upu'u) are included in this dataset. It contains unique specimen IDs, body and gonad metrics, collection dates, and macroscopic and microscopic sexual identities and maturation states. The data was collected by the National Oceanic and Atmospheric Administration from research and commercial vessels using hydraulic handlines.

Use Cases

• Modeling fish reproductive cycles based on gonad weight and maturation state data.
• Analyzing relationships between body size (length/weight) and reproductive capacity.
• Studying sexual identity and maturation stages from histological examination results.
• Investigating spatial or temporal patterns in fish reproduction based on collection dates and vessel sources.

Strengths

• Includes over 750 unique specimens, providing a substantial sample size.
• Contains detailed reproductive metrics, including macroscopic and microscopic sexual identities and maturation states.
• Data collection is attributed to specific NOAA research and commercial vessels, suggesting a controlled origin.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is provided in PDF format, which may complicate direct analysis and require extraction.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Specimens collected by hydraulic handlines from NOAA research vessels or commercial bottomfish boats.

Time Range

null

Freshness

Last updated 2026-03-14 23:04:41.374242; freshness should be verified.

Geography

Likely covers the Main Hawaiian Islands and Northwestern Hawaiian Islands, based on platform tags.