Pseudorkomb, 

 Fseudorhombus diplospil 



1929, Mem. Aust. Mi 

 Psettdorhombus condorens 



PARALICHTHIN.E 



FSEUDORHOMBUS DIPLOSPILUS, Norman. 

 [Twin-spot Flounder.] 

 sp., Ogilby, 1912, Mem. Qd. Mus., i 



nan, 1926, Biol. Res. " Endea^ 

 .., V, p. 280. 

 , Chabanaud, 1929, Bull. Mus. Hist. 



ur", V, p. 226, fig. 1 ; 

 at. Paris, (2) i, p. 370. 



Depth of body (2J) 25 to 2f in the length, length of head 3J to 3}. Upper profile 

 of head with a distinct notch in front of eyes. Snout (in adults) a little longer than eye, 

 diameter of which is 4J (young) to 5J in length of head ; upper eye a little in advance 

 of lower, .separated from edge of head by a space equal to J to J its diameter. Ma.xillary 

 (in adults) extending to below posterior edge or hinder part of eye or beyond, length 

 2 to 2j in that of head ; lower jaw scarcely projecting, a strong knob at the symphysis, 

 i| to i|^ in head. Teeth of upper jaw small and rather close-set laterally, one or two 



Fig. 54. — Fseudorhombus diplospitus. B.M. (N.H.) 1925.7.22. 15. x i. 



pairs of strong canines anteriorly, which are clearly visible when the mouth is closed ; 

 lateral teeth of lower jaw much stronger and wider apart than those of upper jaw ; 

 4 to 8 teeth on bUnd side of jaw ; one or two pairs of strong canines anteriorly. Gill- 

 rakers " palmate " (short, the margins strongly spinulate), as broad as long ; 8 to 10 

 on lower part of anterior arch. Scales cycloid or feebly ctenoid on ocular side, cycloid 

 on blind side ; 89 to 95 in lateral line. Supratemporal branch of lateral line reaching 

 base of ninth or tenth ray of dorsal fin. Dorsal 75-79 ; commencing just behind 

 posterior nostril of blind side, and at a distance in front of eye equal to J or J its 

 diameter. Anal 61-64 '■ tip of first interha;mal spine not projecting. Pectoral of 

 ocular side with 11 or 12 rays, length about twice in that of head. Caudal pointed or 

 double-truncate ; caudal peduncle 2| to 2j times as deep as long. Brownish, with 

 some faint darker spots and markings, and with four large conspicuous double ocelli 

 arranged thus, : : ; median fins with small brown spots ; a series of rings on dorsal 

 and anal. 



Type. — Australian Museum. No. E.6678. 



Distribution. — Indo-China ; east coast of Queensland. 



Specimens Examined : 



2 (225, 232 1 



I.}. Paratypes, 



3 to 7 miles N.W. of Hervey .\ustr. Mus. (" Endeavour "). 

 Bay, Queensland, 9-1 1 fms. 



