Underwater ultrasonography and blood sampling provide the first observations of reproductive biology in free-swimming whale sharks ... : يوفر التصوير بالموجات فوق الصوتية تحت الماء وأخذ عينات الدم الملاحظات الأولى للبيولوجيا الإنجابية في أسماك قرش الحوت حرة السباحة ...

• Main Authors: Rei Matsumoto, Kiyomi Murakumo, Ryo Nozu, David Acuña-Marrero, JR Green, SJ Pierce, CA Rohner, H Reyes, SM Green, ADM Dove, ML Torres, AR Hearn
• Format: Text
• Language: English
• Published: OpenAlex 2023
• Subjects: Conservation of Sharks and Rays; Nature and Landscape Conservation; Environmental Science; Physical Sciences; Importance and Conservation of Freshwater Biodiversity; Length-Weight Relationships of Fish Species; Aquatic Science; Agricultural and Biological Sciences; Life Sciences; Sharks; Whale; Reproductive biology; Biology; Chondrichthyes; Ultrasonography; Fishery; Sperm whale; Endangered species; Blood sampling; Zoology; FOS Biological sciences; Bycatch; Fish; Ecology; Internal medicine; Embryo; Habitat; Medicine; Surgery; Embryogenesis; Biochemistry; Myoglobin; Galapagos; Darwin Island
• Online Access: https://dx.doi.org/10.60692/vjvtn-p8456; https://gresis.osc.int//doi/10.60692/vjvtn-p8456

We report on a non-invasive technique for observing the reproductive states of wild, free-swimming whale sharks Rhincodon typus for the first time. Female whale sharks (n = 22) were assessed using underwater ultrasonography and a novel blood-sampling technique at Darwin Island in the Galapagos Marin...