Till-: OLIMBINQ FISH. 





deep water again. Wlien spawning they do not take tho 

 hook; they arc then lean; bul at the time of their depart- 

 ure from the coasl they arc fai and plump. The i : 

 the mackerel as well a- of the cod are so light i 

 the surface, where they develop. Allied to the mackerel, 

 though of great size, arc the horse-mackerel and the sword- 

 fish, whose upper jaw is greatly prolonged. 



The singular Anabas of the Easl Indies is the repres< - 

 tative of a small groupof fishes called Labyrinthici or laby- 

 rinth-fishes, in allusion to a cavity on the upper side of the 

 branchial cavity on the first gill-arches, containing a laby- 



Fio. 215.— Tht> Haddock, Melanogrammxu oeglefinua. 



rinthine organ, which consists of thin plates, developed 

 from the upper pharyngeal bones, enabling the fish to live 

 for a long time out of water. Anabas scandens, of the 

 fresh waters of India, will travel over dryland from cue 

 pond to another, and is even said to climb I means 



Df the spines in its fins. 



Near the head oftheorder stands the cunner(7i 

 labrus adspersus), whose anatomy is represented 

 108-200. Passing over the tautog, the voracious wolf 

 (Anarrhichas), the blennies (Blennidai), in which the body 

 is long and narrow, and the viviparous eel-pout (Z i s), 

 the cottoids or sculpins, and a number of allied forms, we 



