64 FISHES AND FISHERIES OF THE IRISH SEA. 



SPHYRNA ZYGAENA (Linn.) Hammer-head. 



(= Zygaena malleus, Cuv.) 

 (Day's British Fishes, vol. II., p. 294., PI. CLIV.) 



This shark has a very wide range over the seas of the world, extending- to Japan. 

 It does not properly belong to our fauna, but has been recorded by Day from South 

 Wales (Carmarthen Bay). 



MUSTELUS VULGARIS, Miillcr and Henle Smooth-hound. 

 (Day's British Fishes, vol. II , p. 295, PI. CLV.) 



This Shark ranges along- the Atlantic coasts of Europe and in more southerly seas, and 

 appears in our seas in summer. It has been recorded at various places off the east coast of 

 Ireland in our district ; also at Colwyn Bay, by Walker, and Menai Straits, by White. It is 

 occasionally taken around the Isle of Man. 



Family LAMNID^E. 



LAMNA CORNUBICA (Gmel. ) Porbeagle. 



(Day's British Fishes, vol. II., p. 297, PI. CLVI.; 



(Fish. Mus., Zool. Dep., Univ. Coll., Liverpool.) Local name, " Beaumaris Shark." 



This fish, which ranges to Japan, comes from the North Atlantic into our seas in 

 summer and autumn. 



It was recorded from Beaumaris by Pennant, and is still found in that neighbourhood ; 

 also off the Irish coast opposite ; and is occasionally taken, in summer, on long lines, in the 

 neighbourhood of the Calf, Port Erin. 



ALOPIAS VULPES (Gmel.) Thresher. 

 (Day's British Fishes, vol. II., p. 300, PI. CLVII.) 



This voracious shark extends in the North Atlantic from Norway to the Mediterranean. 



It has been recorded from Dublin Bay and other points on the east coast of Ireland, and 

 A. O. Walker records that it is sometimes caught in the weir at Rhos, where one 9 feet long, 

 including the tail, was taken on July i6th, 1893. 



SELACHE MAXIMA, Cuv. Basking 1 Shark. 



(Day's British Fishes, vol. II., p. 303, PL CLVIIL, Fig. i.) 



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This large shark is sometimes very abundant off the west coasts of Ireland and 

 Scotland. "On the west coast in some years they are abundant, in others only stray fish." 

 (Day). Recorded from Carnarvonshire and Anglesey (Pennant). 



Family SCYLLIID^E. 

 SCYLLIUM CANICULA (Linn.) Lesser-spotted-Dog'fish. 



(Day's British Fishes, vol. II., p. 309, PI. CLIX., Fig. i.) 

 (Fish. Mus., Zool. Dep., Univ. Coll., Liverpool.) Local name, "Fay-dog." 



This common dogfish is found round the coasts of Europe and the Mediterranean. It 

 is frequently taken on cod lines and in trawl nets in our district Common on the Welsh coast 

 (Eyton), Menai Straits, &c Very common around the Isle of Man. 



