Yellowfin tuna
Place the tail belonging to Thunnus albacares in the drop zone.
Correct!
The caudal fin of Thunnus albacares is on the right and has 2 ridges in the central portion of the trailing edge, giving the appearance of a 'M' or 'V' shaped notch, and no white margin. Left is Thunnus obesus, middle is Thunnus alalunga.
Incorrect.
The caudal fin of Thunnus albacares is on the right and has 2 ridges in the central portion of the trailing edge, giving the appearance of a 'M' or 'V' shaped notch, and no white margin. Left is Thunnus obesus, middle is Thunnus alalunga.
Drag and drop the markings of Thunnus albacares in the drop zone.
Correct!
Thunnus albacares is on top right and has white/silver body markings in closely, regularly spaced, vertical lines and alternating lines of spots in a ‘chevron’ pattern. Bottom left is Thunnus tonggol, bottom right is Thunnus obesus.
Incorrect.
Thunnus albacares is on top right and has white/silver body markings in closely, regularly spaced, vertical lines and alternating lines of spots in a ‘chevron’ pattern. Bottom left is Thunnus tonggol, bottom right is Thunnus obesus.
Drag and drop the pectoral fin of Thunnus albacares into the drop zone.
Correct!
The pectoral fin of Thunnus albacares is bottom right, they are of medium length, not extending beyond the second dorsal-fin base, straight, broad and blade like with a bluntly pointed tip. Top right is Thunnus obesus, left is Thunnus alalunga.
Incorrect.
The pectoral fin of Thunnus albacares is bottom right, they are of medium length, not extending beyond the second dorsal-fin base, straight, broad and blade like with a bluntly pointed tip. Top right is Thunnus obesus, left is Thunnus alalunga.
Drag and drop Thunnus albacares in the drop zone.
Correct!
Pectoral fins of Thunnus albacares are of medium length, not not extending beyond the second dorsal fin base, straight, broad and blade like with a bluntly pointed tip. Thunnus albacares is on the right.
Incorrect.
Pectoral fins of Thunnus albacares are of medium length, not not extending beyond the second dorsal fin base, straight, broad and blade like with a bluntly pointed tip. Thunnus albacares is on the right.
Drag and drop the liver of Thunnus albacares into the drop zone.
Correct!
The liver of Thunnus albacares has an elongated left lobe. The Thunnus albacares liver is on the top, Thunnus obesus is on the bottom.
Incorrect.
The liver of Thunnus albacares has an elongated left lobe. The Thunnus albacares liver is on the top, Thunnus obesus is on the bottom.
Drag and drop the swim bladder Thunnus albacares into the drop zone.
Correct!
The swim bladder of Thunnus albacares is on the bottom. It is usually deflated or only slightly inflated, occupying only the anterior portion of the body cavity. The top swim bladder is Thunnus obesus.
Incorrect.
The swim bladder of Thunnus albacares is on the bottom. It is usually deflated or only slightly inflated, occupying only the anterior portion of the body cavity. The top swim bladder is Thunnus obesus.