Abstract
Abstract Background The present study represents the first record of Scyliorhinus hesperius in Guatemala’s Caribbean Sea. Methods Five male whitesaddled catsharks, S. hesperius , were captured in 200 m deep waters of Guatemala’s Caribbean coast. Results and Conclusion All specimens were male with total lengths ranging from 420 mm to 510 mm. These fish represent the first record of mature male S. hesperius , the first record for this species in Guatemalan territorial waters, and a range extension in the Western Central Atlantic.
Highlights
The present study represents the first record of Scyliorhinus hesperius in Guatemala’s Caribbean Sea
This paper reports the first record of S. hesperius in Guatemalan waters, representing a range extension in Central America and the Caribbean
The specimens were donated to the Laboratory of Biological Science and Oceanography, Centro de Estudios del Mar y Acuicultura (CEMA) of the Universidad San Carlos de Guatemala (USAC)
Summary
On March 20th 2016, five whitesaddled catsharks were captured by artisanal fishermen of El Quetzalito, Izabal Department, in Guatemala (Fig. 1). These specimens were captured with a 1000 m wide bottom trammel net, consisting of one panel with 3.5 in. The specimens were donated to the Laboratory of Biological Science and Oceanography, Centro de Estudios del Mar y Acuicultura (CEMA) of the Universidad San Carlos de Guatemala (USAC). The five specimens were sexed and measured after being preserved. A total of 91 morphometric measurements were taken (Table 1) as proposed by Compagno (2001). Measurements are expressed as percentages of total length (%TL). All specimens were examined and identified using identification guides developed by Compagno (1984, 2001). Maturity for males was determined by the full calcification of claspers
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