IDS 



X 



2. Aleposomus nudus Brauer. 



Aleposomus nudus Brauer, Deutsche Tiefsee-Exp. Tiefseefische, 1906, p. 22. 



Fig. 36. Aleposomus nudus Brauer (after Brauer). 



B. 7; D. 18; A. 17; P. 7; V. 6. 



Height 4 4 / 5 , head 3, eye 3 4 / 5 to rather more than 4, somewhat 

 more than interorbital space, equal to snout. Gape of mouth 

 nearly reaches the vertical through posterior margin of eye. 

 Small teeth on intermaxilla, maxilla and mandible. Origin of 

 dorsal in the vertical through anus, somewhat before anal, in 

 the beginning of last 1 J 3 of body. Ventrals somewhat behind 

 middle of body. Lateral line very inconspicuous, its openings 

 on the top of slender tubes, no scales. On head and belly 

 small papilliform nodules, irregularly arranged. Velvety black 

 with a bluish hue. Length 125 mm. [After Brauer, not seen 

 by us]. 



Habitat: West of Sumatra (750 m.). 



8. Fam. Stomiatidae. 



Elongate, or short and elevated, compressed, mostly with 

 scales, which are cycloid and generally very deciduous. A 

 mandibulary barbel present or absent. Gape of mouth wide, 

 bodered by the short intermaxillary and the long maxillary. 

 Dorsal before or behind ventrals. Adipose fin, if present, 

 above or behind anal, which is situated behind the middle of 

 the length of the body. Pectorals, if present, low down. Caudal 

 forked. Close set teeth, serially or in bands, in jaws, some of 

 the anterior, ones may be fangs. If present, various in form 

 and arrangement on vomer, palatines, pterygoids and tongue. 

 Ventrals abdominal, with 5 8 rays. Gillopening wide, gillmem- 

 branes not connected or only at their base, generally free 

 from isthmus. Branchiostegals 8 20. Pseudobranchiae present 

 or absent. Four gills. Airbladder, if present, not contiguous 



