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Order Lophiiformes(anglerfishes) Family Lophiidae(Goosefishes).
Natal angler
Lophiodes insidiator(Regan, 1921). 30.0 cm TL
Korean name/yong-a-gui(용아귀)
Japanese name/none
Chinese name/納塔爾擬鮟鱇
D/spineⅡ-Ⅰ-Ⅲ, soft ray 7~9. A/soft ray 6. P1/14~16
Distribution; West Indian and northwest Pacific Ocean/From South Africa to northern Madagascar, discontinued in between, and distributes again in far east; Taiwan, Japan, and Korea(Busan), reported from a sea area of eastern Australia.
General; When seen from above, body is oval-shaped disk. Head very large and deeply depressed, head less than half of body length. Interorbital area strongly concave, forming deep U-shaped trough between eye. The body of the posterior gill moderately depressed. Lower jaw protruded ahead of upper jaw, the posterior end of upper jaw reaches below center of eye. Skin smooth without scales. With 2 to 3 rows of sharp teeth at front of upper jaw Lower jaw with one row of canine teeth, with 3 rows of canine teeth on vomer. Eye relatively small, interorbital space deeply concave. With bony ridges on upper margin of eye. Gill opening reaches upper part of pectoral fin.
Dorsal spine 6, first 2 spines placed in front of eye, 4 spines deployed from behind of eye to secondary dorsal fin. First dorsal spine highly modified into a long rod with a lure at the end call illicium and esca, acts as a fishing lure to attract preys. The end of 1st spine with a dermal process that looks like a pennant. The rest spines with leaf-like black dermal processes, 5th spine attached to 6th spine by fin membrane, the 3rd spine is the longest, 6th spine is the shortest, its length is less than half of 3rd spine. Leaf like dermal processes developed all body side, except secondary fin, the post region of anal fin and ventral surface. The pelvic fin located in the front of ventral side. Humeral spine sharp and simple. Pectoral fin extending to below anus. Peduncle short and compressed. The margin of caudal fin truncated.
Body uniformly dusky brown to dark; ventral surface light. Anal fin slightly darker distally. Color in 10% formalin; dorsal surface and lateral surface slightly brown. Ventral surface, pelvic fin and margin of pectoral fin lightly yellow. Caudal fin with pale black spots. The end of dermal processes of 1st dorsal spine with 3 black spots. The color of mouth cavity black. Marine. Bathydemersal, found in the outer continental shelf and upper slope, usually in depth 130-600 m. occurs sand, mud bottoms.
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