Oder Anguilliformes Family Ophichthidae(Snake eels). Longfin snake-eel Pisodonophis cancrivorus(Richardson, 1848). Max length/108 cm TL. common length : 50 cm TL Korean name/dol-gi-ba-da-baem(돌기바다뱀) Japanese name/ Minami-hotate-umihebi Chinese name/食蟹荳齒蛇鰻 Dorsal fin rays/287. anal fin rays/208. Pectoral fin rays /14. lateral line pore total/143. PLp(preanal lateral line pore)/55. Vertebrae/155
Distribution; Indo-Pacific/Mauritius, Mozambique, Red Sea, Maldives, Australia, Papua New Guinea, Indonesia, Malaysia, Philippines. Taiwan, Japan, China, and East Sea of Korea, General; Body elongated, slender and cylindrical form, and slightly tapering toward posterior. Mouth moderate, upper and lower jaws strong and solid. Eyes positioned in middle of upper jaw, covered with semitransparent membrane. Anterior nostril tubular type, but posterior one slit. Fleshy protrusions in front and rear posterior nostrils, bigger fleshy protrusion in front than in rear, covered with microcilium-like processes on two fleshy protrusions. Upper jaw longer than lower one, front vomerine teeth slightly visible when mouth closed. Granular-shaped maxillary, mandibular and vomerine teeth bands, with 3~5 rows of irregularly arranged teeth. Vomerine teeth separating at anterior part. Tail longer than total length of head and body. Dorsal fin orgin close to pectoral fin origin. Hard muscle evident on tip of tail, but no caudal fin. Dorsal and anal fins ending slightly before the tail. Sensory pores of head part opened directly: 4 infraorbital pores, 2 post orbital pores, 3 supraorbital pores, 4 mandibular pores, 2 preopercular pores, 1 frontal pore, 1 supratemporal pore, 2 temporal pores on each side. Color in formalin. Upper side of head and body dark blackish, but belly of body and inside of mouth pale or light. Dorsal and anal fins with black margin, that of dorsal fin much thicker than anal one. Pectoral fin light blackish.
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