Remoras are commensal fish of various marine species,such as sharks,swordfishes,turtles,dolphins,manta rays and whales.One specimen of marlin sucker Remora osteochir was evaluated using computed tomography for skeleta...Remoras are commensal fish of various marine species,such as sharks,swordfishes,turtles,dolphins,manta rays and whales.One specimen of marlin sucker Remora osteochir was evaluated using computed tomography for skeletal digital reconstruction,digital radiology for general evaluation and bone counting,and the double contrast technique to distinguish coelomic organs.In radiographic images,it was possible to observe otoliths in the center of the neurocranium,to count 27 vertebrae,nine pairs of ribs,and to detect the presence of the hipural and epural bones near of the caudal fin.In double contrast images,it was possible to visualize the swim bladder,gills,heart,liver,stomach and intestines.From the tomographic images and reconstructions,it was possible to identify the intercalar bones of the cephalic disc;the spine with vertebral bodies composed of neural arches and ventral ribs;and the pectoral girdle formed by posttemporal,cleithrum and scapulocoracoid bones.It was concluded that digital radiology and computed tomography were able to describe anatomical structures of marlin sucker R.osteochir without the need for dissection.展开更多
基金This work was approved by the Ethics Commission of the School of Veterinary Medicine and Animal Science of the University of Sao Paulo,Brazil#9396271113the collection was authorized by the Brazilian Institute of Environment and Renewable Natural Resources#47691-1.
文摘Remoras are commensal fish of various marine species,such as sharks,swordfishes,turtles,dolphins,manta rays and whales.One specimen of marlin sucker Remora osteochir was evaluated using computed tomography for skeletal digital reconstruction,digital radiology for general evaluation and bone counting,and the double contrast technique to distinguish coelomic organs.In radiographic images,it was possible to observe otoliths in the center of the neurocranium,to count 27 vertebrae,nine pairs of ribs,and to detect the presence of the hipural and epural bones near of the caudal fin.In double contrast images,it was possible to visualize the swim bladder,gills,heart,liver,stomach and intestines.From the tomographic images and reconstructions,it was possible to identify the intercalar bones of the cephalic disc;the spine with vertebral bodies composed of neural arches and ventral ribs;and the pectoral girdle formed by posttemporal,cleithrum and scapulocoracoid bones.It was concluded that digital radiology and computed tomography were able to describe anatomical structures of marlin sucker R.osteochir without the need for dissection.
