146 REPORT OF COMMISSIONERS OF INLAND FISHERIES. 



CYCLOPTERID^. The Lump-Suckers. 

 162. Cyclopterus lunipus (Linnaeus). Lumjjfish. 



Geog. Dist.: North Atlantic, south to France and Long Island. Com- 

 mon along the whole New England coast (Kendall, 1908). Found 

 at Gravesend Bay in May (Bean, 1903). 



Season in R. I.: Fairly common from March to June. Specimen from 

 Newport in the U. S. National Museum. (Proc. U. S. Nat. Mus., 1880, 

 83). Often taken in fyke nets with flatfish. 



Habitat: Rocky shores. 



Reproduction: Spawning season from January to ]\Iarch or April, near 

 the shore. "The female then retires to deep water, leaving the male 

 to watch the eggs which hatch among seaweed and eelgrass." (Gar- 

 man, Mem. Mus. Comp. Zool. 14, 1892, 21; also Mcintosh, 1896.) 

 Eggs are 1-10 inch in diameter (2.2 to 2.6 mm). Length of larvae on 

 hatching is from 1-5 to \ inch (5.8 to 7.4 mm). 



Food: Ctenophores, small jelly-fishes. ^ 



Rate of Growth: The young specimens are often taken in the summer 

 under drifting sea-weed. Young specimens caught in dip net May 30th, 

 under floating rock-weed in Narragansett Bay. Adults sometimes 

 reach twenty inches, but are generally less. In British waters, young 

 from 11 to 30 mm. (^ to 1 1-5 inches) are found in JulyT In the second 

 summer after hatching the following are found: 2^ inches, July 1st; 

 5i inches in July; 7 inches in August; 6 1-16 inches in December; 

 these latter are 18 or 19 months old (Mcintosh, 1896). 



References: 



1882: Agassiz, Proc. Amer. Acad., XVII, 286. 



1887: Cunningham, Trans. Roy. Soc, Edinburgh, XXXIII, 104. 



1890: McIntosh and Prince, Trans. Roy. Soc, Edinburgh, XXXV. 



1896: McIntosh, Report, Fishery Board, Scotland, 14, 173. 



1897: McIntosh and Masterman, British Marine Food Fishes, 181. 



1905: Ehrenbaum, Nordisches Plankton, 4, 116. 



LIPARIDID.^. The Sea-Snails. 

 1G3. Liparis liparis (Linnaeus). Sea-snail; Sucker. 



Geog. Dist.: North Atlantic on both shores, north to Spitzbergen, south 

 to Connecticut and France. Most abundant in North Europe. 



Habitat: Commensual, living within the shells of large scallops and 

 often in company with a small crab. 



Season in R. I.: In the U. S. National Museum is a specimen taken l\v 



