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Definitions (99)
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lobtailing
when a cetacean lifts its fluke (tail) out of the water and slaps it on the surface of the water
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adipose fin
a fin without a bone or cartilage, located behind the dorsal fin
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anadromous
Species that live their adult lives in the ocean but move into freshwater streams to reproduce or spawn (e.g., salmon).
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antarctic convergence
a line encircling Antarctica where cold, northward-flowing Antarctic waters sink beneath the relatively warmer waters of the sub-Antarctic. The convergence is a dynamic boundary, meaning it's precise location may shift, but is generally located between 48º S and 61º S latitude
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applicant/holder
Person, institution, or agency who is ultimately responsible for all activities of any individual who is operating under the authority of a permit.
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arctic waters
Marine and estuarine waters north of 60° N. latitude.
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arribada
the Spanish word for "arrival"; massive synchronized nesting within the genus Lepidochelys
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baleen
Long, flat plates made of fingernail-like material called keratin that hang from a baleen whale's mouth in place of teeth.
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