Return to Mastigoteuthis agassizii: Description of beaks
Here photographs of the beaks of four additional specimens of M. agassizii from the North Atlantic show some of the variability found in this species.
Figure. Two views of the lower beak of M. agassizii, sex unknown, 118 mm ML, 4.0 mm LRL, central North Atlantic, 50°N, 27°W. Left - Side view. Right - Side-oblique view. Photographs by R. Young.
Figure. Two views of the lower beak of M. agassizii, immature male, 62 mm ML, 3.3 mm LRL, central North Atlantic, 53°N, 36°W. Left - Side view. Right - Side-oblique view. Photographs by R. Young.
Figure. Side views of the upper beaks from two individuals of M. agassizii. Left - 118 mm ML, central North Atlantic, 50°N, 27°W. Right - Immature male, 62 mm ML, central North Atlantic, 53°N, 36°W. Photographs by R. Young.
Figure. Two views of the lower beak of M. agassizii, immature female, 72 mm ML, 2.9 mm LRL, western North Atlantic. Left - Side view. Right - Side-oblique view. Photographs by R. Young.
Figure. Two views of the lower beak of M. agassizii, immature female, 85 mm ML, 3.1 mm LRL, western North Atlantic, 32°N, 79°W. Left - Side view. Right - Side-oblique view. Photographs by R. Young.
Figure. Side views of the upper beaks from two individuals of M. agassizii. Left - Immature female, 72 mm ML, western North Atlantic. Right - Immature female, 85 mm ML, western North Atlantic, 32°N, 79°W. Photographs by R. Young.
