Scientific Name
                        Nemapteryx caelata
                        
                        
                        Common Name
                        Engraved catfish
                        
                        
                        Biology
                        Dorsal 
spines
(total): 1; 
Dorsal 
soft rays
(total): 7; 
Anal
soft rays: 16 - 30. Head profile concave at nape.  Head shield strongly rugose and granulated; supra-occipital process short, about as long as broad, with median keel, hind end concave.  Dorsal and pectoral fins with very strong, thick, and coarsely granulated spine; tip of dorsal spine produced into a long filament; adipose fin rather large.  Body with metallic blue luster.  Tip of dorsal fin blackish, its filament black; pectoral, pelvic and anal fins dusky; caudal fin paler; adipose fin either entirely black or bearing a large black blotch on upper half.