Dead Loligo vulgaris lying on a measuring board used to quickly measure mantle length of specimens. Ventral view of head and mantle cavity of sexually immature male squid. The large fluid-filled crop is visible and the developing white testis is visible beneath the crop at far right. The two gills are visible and the small round brownish-yellow spheres at the base of the two gills are the branchial hearts. The silvery ink sac lies between the two gills. This is the same individual pictured in this image.
Maturity: Juvenile; Lab or Wild: Lab; Origin: E. atlantic, barbate, spain