Direct observation of white margate spawning in the southern Bahamas

White margate ( Haemulon album ) are a large species of grunt that represent an important part of commercial and subsistence fisheries. Yet, little is known about the reproductive biology of this species. Here, we present direct evidence of white margate spawning at an active Nassau grouper spawning aggregation site in the southern Bahamas. Two days before the full moon, on 12 January, 2025, about 50 white margate were observed, with some individuals displaying coloration associated with courtship behavior. During the sunset dive, surveyors observed a group of 8‐12 white margate engaged in a spawning rush, accompanied by the release of a gamete cloud, which was recorded on video. This finding is significant given the ecological and socioeconomic importance of fish spawning aggregations and the paucity of information on spawning for this species.

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Publication Details

Journal
Bulletin of Marine Science
Published
2025-11-13
DOI
https://doi.org/10.5343/bms.2025.0048
Primary Topic
Reproductive biology and impacts on aquatic species
Type
article
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article

Direct observation of white margate spawning in the southern Bahamas

Krista D. Sherman
Bulletin of Marine Science
Reproductive biology and impacts on aquatic species
article

Direct observation of white margate spawning in the southern Bahamas

Krista D. Sherman
article en

Abstract

White margate ( Haemulon album ) are a large species of grunt that represent an important part of commercial and subsistence fisheries. Yet, little is known about the reproductive biology of this species. Here, we present direct evidence of white margate spawning at an active Nassau grouper spawning aggregation site in the southern Bahamas. Two days before the full moon, on 12 January, 2025, about 50 white margate were observed, with some individuals displaying coloration associated with courtship behavior. During the sunset dive, surveyors observed a group of 8‐12 white margate engaged in a spawning rush, accompanied by the release of a gamete cloud, which was recorded on video. This finding is significant given the ecological and socioeconomic importance of fish spawning aggregations and the paucity of information on spawning for this species.

Bulletin of Marine ScienceVol. 102(1)
Main Roads Western Australia (AU)
Openalex Percentile: Top 65%
Reproductive biology and impacts on aquatic species
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