DOBULE ROACH. 



397 



ABDOMINAL 

 MALACOPTERYGII. 



CYPR1KIDJE. 





THE DOBULE ROACH. 



Leuciscus dobuLt, CUVIEU, Regne An. t. ii. p. 275. 



,, ,, YADRELL, Linn. Trans, vol. xvii. pt. i. p. 9. 



,, JENYNS, Brit. Vert. p. 409. 



Ci/primts ,, LINN.EUS. BLOCH, pt. i. pi. 5. 



WHILE fishing in the month of August 1831, in the 

 Thames below Woolwich, with the mouth of a White-bait 

 net open against a strong flood-tide, I caught a single spe- 

 cimen of the fish above named, but have not been fortunate 

 enough to obtain any more since. 



This species inhabits the Oder, the Elbe, the Weser, and 

 the Rhine, as well as the smaller streams that fall into them. 

 Like the Ide, last noticed, it inhabits also large lakes, and 

 seeks to enter rivers from March till May for the purpose of 

 spawning. The larger and older fish spawn earlier than the 

 younger ones, which exhibit small dark spots on the body and 

 fins at this particular season. The flesh of the Dobule is 

 white, but full of bones, and little esteemed for table : they 

 die soon when taken out of the water, and their food is 

 worms, snails, and small dark-coloured leeches. 



The specimen taken was a young male fish of six and a 



