Anne Veeder’s research while affiliated with Health City Cayman Islands and other places

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Publications (1)

Diagram of the deep‐baited remote underwater video system deployed in this study. Photograph taken after ascent.
Study map of the Cayman Islands: Grand Cayman, Little Cayman, and Cayman Brac. Deep‐baited remote underwater video (dBRUV) drop site where C. owstonii observation was made is indicated by a red diamond. Inset map shows location of the Cayman Islands within the Western Atlantic.
Still images identifying Centroscymnus owstonii from the video footage collected by the deep‐sea baited remote underwater video system deployed at 1054 m deep in the northwest waters of Little Cayman in August 2023: (a) large eye, spiracle, and five gill slits can be seen; (b) long, low first dorsal fin can clearly be seen; (c) sub‐terminal mouth; (d) caudal fin; (e) full‐body image in anterodorsal view; (f) detail of the first dorsal fin highlighting the first dorsal‐fin spine; the white arrow indicates the spine.
Comparative image between a specimen of Centroscymnus owstonii from the video footage collected by the deep‐sea baited remote underwater video system (a, b) and the holotype of Centroscymnus owstonii (MCZ S‐1037, 791 mm TL; c, d). (a, c) Whole body. (b, d) Detail of the anterior region of the body. White arrows indicate the origin of the first dorsal fin. AED, anterior elongated dermal ridge.
First records of the roughskin dogfish Centroscymnus owstonii in the greater Antilles, central Caribbean Sea, Western Atlantic Ocean
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November 2024

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Olivia F. L. Dixon

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Shannon E. Aldridge

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Austin J. Gallagher

The roughskin dogfish Centroscymnus owstonii, a deep‐sea shark, has a patchy global distribution, with most knowledge stemming from incidentally captured specimens. Using a deep‐sea remote lander video system, we observed multiple C. owstonii individuals alive on the footage at 1054 m off Little Cayman, Cayman Islands, Western Atlantic Ocean, marking, to our knowledge, the first record of the species in the Greater Antilles, central Caribbean Sea, while also adding a new species locality record for the Cayman Islands. This study expands our knowledge of the distribution of the roughskin dogfish in the region, and highlights the utility of video lander systems for enhancing and expanding our understanding of the biology and diversity of deep‐sea sharks.

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