Waite— Fishes of South Australia 



19 



Vulprcidu i)i(iri)t(i Garni., Mem. Miis. (V)iiip. Zool., xxxvi, VJl-i, p. 30, pi. vii, 

 fig. 1-3 (syii.). 



y^ 



\2 



Fig. 22. Alopiaa vulpiini.s. 



The long- tail is employed to tliresli the surfaee of the water around a school 

 of fish so as to cause them to huddle together, in which frightened condition the.y 

 fall an easy prey to the shark. 



Family CARCHARIIDAE. 



CARCHARIAS Rafinesque, 1810 (taurus). 

 CARCHARIAS AREWARIUS OgiYby (Grey Nurse). 



Odontaspis taurus McCoy, Prod. Zool. Vict., dec. vii, 1882, pi. Ixiv, fig. 1 (not 



Rafin.). 

 (Jarcharias arenarius Ogil., Ann. (^Id. Mus., x, 1911, p. 37. 



Fig. 21). Cardiarias arriiarius. 



Fairly common in our A\aters, but apparently more so in Victoria, where it 

 devours large quantities of edible fish and is a great terror to bathers. 



CARCHARIAS TRICUSPIDATUS Day (Blue Nurse). 

 Odontaspis americanus Giinth., Cat. P'ish. Brit. Mus., viii, 1870, p. 392. 



