Brotuiids Killed by 1950 Eruption — Gosline 
71 
TABLE 1 
Measurements* and Counts of Hawaiian Deep-Water Brotulids 
Diplacan- 
thopoma 
{rivers- 
andersonl?) 
Diplacan- 
thopoma 
(sp.?) 
Cataetyx 
h aw alien - 
sis 
Volcanus 
Uneatus 
Pycno- 
craspedum 
armatum 
Standard length (in millimeters) 
292 
135 + 
222 
267 
302 
Depth at anal origin 
124 
(262) 
168 
150 
227 
Snout to dorsal origin 
295 
(646) 
359 
318 
195 
Snout to pelvic origin 
272 
(591) 
224 
207 
213 
Snout to anal origin 
473 
75.8[mm.] 
487 
494 
454 
Pelvic origin to anal origin 
256 
(525) 
280 
293 
260 
Head to end of opercular flap 
261 
(579) 
283 
240 
255 
Postorbital head length 
167 
(355) 
178 
150 
154 
Length of upper jaw . 
116 
(263) 
136 
109 
143 
Snout 
61 
(142) 
70 
64 
65 
Fleshy interorbital 
77 
(153) 
55 
33 
77 
41 
(103) 
39 
33 
44 
Distance between ends of free preopercular border 
50± 
(145 =t) 
75 ± 
75=*= 
95=*= 
Distance between anterior and posterior nostril . . . 
24 
(66) 
49 
13 
16 
Greatest width of premaxillary tooth band 
11 
(16) 
7 
10 
13 
Length of premaxillary tooth band 
99 
(199) 
94 
83 
122 
Greatest width of mandibular tooth band 
8 
(13) 
6 
9 
10 
Length of mandibular tooth band 
82 
(183) 
102 
83 
97 
Greatest width of vomerine tooth band 
3 
(12) 
6 
7 
10 
Length of vomerine tooth band 
37 
(78) 
37 
30 
35 
Greatest width of palatine tooth band 
3 
(13) 
5 
10 
4 
Length of palatine tooth patch 
(91) 
48 
56 
Length of longest pelvic filament 
147 
(343) 
118 
151 
115 + 
Length of pectoral fin 
130± 
(275+) 
110 + 
105 
157 
Length of caudal fin 
58 
87 
82 
99 
Length of longest dorsal ray 
110^ 
(198) 
51 
52 
85 
Greatest height of fleshy membrane on dorsal base. 
15 
(30) 
• 40 
58 
Transverse scale rows 
140 ± 
126 + 
200 =fc 
175=*= 
135=^ 
Transverse scale rows ahead of anal origin 
47 
48=*= 
50± 
72 =t 
40=*= 
Scales above lateral line 
ll=t 
ll=b 
17± 
16=*= 
20=*= 
Scales below lateral line 
27± 
34 ± 
34 ± 
35=*= 
47=*= 
Predorsal scales 
29 
38 
48 
44 
9 
Dorsal rays 
163=^ 
130 + 
88=*= 
89=*= 
90 ± 
Anal rays 
iri± 
95 + 
67=*= 
77=1= 
72 ± 
Caudal rays 
10 
11 
12 
10 
Pectoral rays 
26 
28 
25 
26 
26 
Pelvic filaments 
1 
1 
1 
2 
2 
Developed gill rakers 
3 
3 
3 
3 
5-6 
Branchiostegal rays 
8 
8 
7 
8 
8 
* Measurements, except standard length, are given in thousandths of the standard length. However, for Diplacanthopoma 
(sp.?), which has lost the posterior tip of the body, measurements are given in thousandths of the distance from the snout 
to the anal fin origin. A -j- alone indicates that- the actual value is at least as great as the figure. 
