16 DESCItirTIYE CATALOGUE OF AUSTRALIAN FISHES, 



Genus Heteroclixus, Casteln. 



Body subelongate ; mouth opening upwards ; snout without 

 tentacles; ventral fins jugular, formed of one short and two long- 

 rays ; dorsals two, the first short, the second with numerous spines 

 and three rays ; the dorsal, caudal, and anal somewhat continuous; 

 lateral line only marked on the anterior part of the body ; gill 

 membranes inflated. 



South Australia. 



Count Castelnau has omitted to state whether the body is scaly 

 or naked, but from his description of the species given below, I 

 am inclined to think it is without scales. 



574. Heteroclixtjs Adelaide, Casteln. 



Proc. Zool. Soc, Victoria, Yol. II., p. 68. 



D. 3. 28/3. A. 2/25. 



The height of the body is contained a little less than five times 

 in the total length, the length of the head four times and two- 

 thirds ; the eye is half the length of the head, and prominent ; 

 the head appeal's truncate in front when the mouth is shut ; the 

 cleft of the mouth is oblique ; the upper lip embraces the lower jaw. 

 The first dorsal spine is strong and rather elongate, the second 

 dorsal fin terminates with three soft rays which are attached 

 by a membrane to the caudal, the anal fin is similarly attached 

 to the caudal, which is rather long, Four longitudinal grooves 

 on the body. Colour reddish-brown, yellowish-white beneath, 

 with an irregular black, longitudinal band on the sides and some 

 blackish blotches beneath ; the dorsal and anal fins are obscure, 

 with some white portions ; the ventrals, caudal, and pectorals of 

 a light colour, the last two sprinkled with black ; the elongate 

 portion of the first dorsal is red. Length three and a-half inches. 



South Australia (Casteln.) 



