underwater video system was used for acquiring shrimp images.•The video system acquired
images without disrupting shrimp feeding process.•YOLOv4-tiny was trained to detect and to
locate shrimp in the image.•Image-processing was used to automatically measure the
shrimp body lengths.Farming of the Pacific white shrimp (Penaeus vannamei Boone, 1931)
is among the largest aquaculture industries worldwide. Pond culture is an efficient and …