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Free Content Biometric Separation of the Beaks of Two Morphologically Similar Species of the Squid Family Ommastrephidae

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Abstract:

The use of beak measurements to separate two morphologically similar species of the squid family Ommastrephidae is discussed. Discrimination is shown to be possible with a high degree of certainty using various ratios of measurements. Relationships between a durable beak measurement and both body weight and dorsal mantle length are presented for each species. The applications and possible extensions of the separation methods are discussed.

Document Type: Short Communication

Publication date: 1979-10-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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