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Description:"Harrisson's dogfish is a species of shark that is endemic to subtropical and temperate waters off eastern Australia and neighboring seamounts. It is primarily a demersal species, found along the upper to mid-continental and insular slopes, in depths of 180 m to 1000 m (Last and Stevens 2009, Williams et al. 2013a). Female sharks are viviparous (i.e., give birth to live young) with a gestation period that is thought to last 2 to 3 years (Kyne and Simpfendorfer 2007; Graham and Daley 2011). Litter sizes are extremely small, with usually two pups per litter and sometimes only one. In addition, both female and males of the species mature late (23-36 years for females; 15-34 years for males) after reaching sizes of around 88% of their maximum size (Daley et al. 2002, Wilson et al. 2009, Last and Stevens 2009, Graham and Daley 2011). Due to these life history characteristics, Harrisson's dogfish is considered to be one of the most unproductive species of the chondrichthyan fishes (Kyne and Simpfendorfer 2007)."--Executive Summary.
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Content Notes:Margaret H. Miller
"Updated 2015"
Includes bibliographical references.
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Rights Information:Public Domain
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