Abundance and Distribution of Tunicates on the Northern Continental Slope of the Gulf of Mexico
Abstract:Eleven species were collected along three north-south transects between 350 m and 2,850 m depth. All are typical abyssal species. There is a new species, the others being known from several deep basins in the southern Atlantic. Many immature specimens were collected. The ascidian density is the highest known in the deep-sea. The northern slope of the Gulf of Mexico represents the shallowest stations in the bathymetric distribution of all species. According to the water masses studied there and the faunal affinities, the origin of this ascidian fauna is the South Atlantic.
Document Type: Research Article
Publication date: July 1, 1987
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