108 REPORT OF COMMISSIONERS OF INLAND FISHERIES. 



Season in R. I.: Very rare. Reported at Newport (Goode, 1884); 



specimen taken September 10, 1886, at Newport (Smith, 1898). 

 Size: Specimen 9f inches long taken in January 1896, at Gravesend Bay 



(Bean, 1903). 



93. Naucrates ductor (Linnseus). Pilot-fish. 



Geog. Dist.: Pelegic fish found in all warm seas. Occasional on our 

 Atlantic coast from West Indies to Maine. In Maine reported from 

 near Seguin (Bowdoin College). In Massachusetts at Provincetown 

 (Atwood, 1859) and Woods Hole (Baird, 1871, and Smith, 1898). In 

 Connecticut at Stonington (Linsley, 1844). 



Season in R. I.: Taken rarely from July to October in Narragansett Bay. 

 More common in outside waters. 



Reproduction : Young are developed in the open ocean and are so differ- 

 ent in appearance that they have been described as a different genus. 



Food: Omnivorous. Van Beneden found stomach contents to consist of 

 portions of fishes, Crustacea, fucoid plants, and, in one case, parings of 

 potatoes (Amer. Nat. V, 1871, 436.) 



Size: Two feet. 



94. Seriola zonata (Mitchill). Rudder-fish; Pilot-fish; Shark-pilot. 



Geog. Dist.: Cape Hatteras northward from Cape Ann. Reported from 

 several places in Massachusetts shore, from Long Island Sound (Linsley, 

 1844), and from Gravesend Bay, Long Island (Bean, 1903). Common 

 at Woods Hole from July to October. 



Season in R. I. : Single speciraens occasionally taken from July to October. 

 A specimen in possession of the Commission is dated 1899. Three 

 specimens from Newport are in the U. S. National Museum (Proc. 

 U. S. Nat. Mus., 1880, 91). Specimen one and one-half inches long in 

 Roger Williams Park Museum from Warwick, R. I. 



Food: Stomach of one individual contained fragments of a butter-fish. 

 At Woods Nole, they have been observed to feed for weeks chiefly on 

 Menidia (Smith). Also feed on small killifish (Bean, 1903). 



Rate of Growth: Adults are two or three feet long. Young are common 

 south of Cape Cod; specimens from H inches long up to six or seven 

 inches at Woods Hole. 



95. Seriola lalandi (Cuvier and Valenciennes) . Amher-fish. 



Geog. Dist.: Brazil to Cape Cod. In New England reported from Woods 

 Hole (Smith, 1898) and Narragansett Bay (R. I. Fish Com. 1899). 

 One specimen from Gravesend Bay, L. I., July 15, 1896 (Bean, 1903). 



