Istiompax indica quiz


Black marlin

Drag and drop Istiompax indica in the drop zone.

Correct!

Istiompax indica is bottom right, and has a bill that is round in cross-section, pelvic fins present, a first dorsal fin half height of body depth with a blunt tip and a long branchiostegal frill. Left is Xiphias gladius, top is Kajikia audax.

Incorrect.

Istiompax indica is bottom right, and has a bill that is round in cross-section, pelvic fins present, a first dorsal fin half height of body depth with a blunt tip and a long branchiostegal frill. Left is Xiphias gladius, top is Kajikia audax.

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Pectoral fins of Istiompax indica are curved in shape resembling a half sickle, they are rigid and unable to be folded back against sides of the body.

Correct!.

Pectoral fins of Istiompax indica are curved in shape, resembling a half sickle and rigid, unable to be folded back against sides of the body. However they are more flexible in individuals less than 15kg.

Pectoral fins of Istiompax indica are curved in shape, resembling a half sickle and rigid, unable to be folded back against sides of the body. However they are more flexible in individuals less than 15kg.

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Istiompax indica can be identified by having a second fin anterior to the second fin. 

anal

dorsal

Correct!

Istiompax indica can be identified by having a second dorsal fin anterior to the second anal fin. It is Makaira nigricans that has a second dorsal fin posterior to the second anal fin.

Incorrect.

Istiompax indica can be identified by having a second dorsal fin anterior to the second anal fin. It is Makaira nigricans that has a second dorsal fin posterior to the second anal fin.

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