1146 . 
Pseudor^opbu-S g. r^us Weber 
Pseudorhombus arpus Weber , Sibo^e Exped,, vcl. 57, p. 425, pi, 11, fig, 
6, Way 1913 (type locality t daden Island, east Aru Islands), _ 
Weber and Beaufort , Fishes Indo Austral, Archip., vol. 5, p, 113, 
fig. 27, 1929 (type). -. ivlcCulloch , Austral. Mus* Mem*., No« 5, pt* 2, 
p# 278, 3ep* 10, 1929 (reforenco). 
Depth 2 l/S; head 3 l/4, width 4, Snout to lower orbit 4 4/5 
in head from snout tip; lower orbit 3 3/5, greater than snout, opposite 
upper orbit; maxillary ree.ches 2/3 in lower orbit, expansion 2, length 
2 1/5 in head from snout tip; interorbital narrow, trenchant keel. Gill 
rakers 2 + 10,low tubercles, 2/5 of gill filaments, which 2 l/2 in lower 
orbit. 
Scales 74 in lateral line to caudal base and 4 more on latter; 
29 above, 31 below. Vertical fins all with fine scales, as single row 
along each dorsal and anal rays. Snout and front of mandible naked. 
Maxillary largely scaly terminally. Scales with 7 to 11 basal radiating 
striae; 9 or 10 divergent, rather irregular, strong apical denticles; 
oirculi fine, continuous. Lateral line on both sides of body, arch 2 
3/4 in straight section to caudal base. Right scales cycloid, 
D. 72, fin height 2 in total head length; A. 55, fin height 2 
d/s, preceded by small concealed spine; caudal 1 1/4, obtusely angular 
behind; least depth of caudal peduncle 3 l/4; pectoral 1 2/3; ventral 
2 2/5. 
Left side fcTm color generally, four large prominent dark brown 
to neutral black rounded blotches, each mth pair of linked wliitish rings 
