Aseraggodes cheni Randall & Senou 2007

This species is distinguished by the following characters: D 68-75; A 46-51, all branched; 73-76 lateral-line scales; 36-38 vertebrae; dorsal pterygiophores anterior to 4th neural spine 13 or 14 (only 1 with 13); body depth 2.45-2.65 SL; head length 4.5-4.65 SL; caudal-peduncle length 7.7 8.2 in head length; snout length 2.4-2.65 in head length; preorbital length 2.4-2.5 in head length; eye diameter 4.65-5.25 in head length; interorbital space narrow, 11.1-14.4 in head length; tubular anterior nostril reaching edge of eye when depressed posteriorly; longest dorsal ray 1.6-1.9 in head length; caudal fin 3.15-3.55 SL; pelvic fins reaching or nearly reaching base of 4th anal ray, 1.65-1.75 in head length, 9-16 cteni on scales, not projecting very far beyond scale margins; front edge of snout and ventral edge of head with 2 rows of lappet-like cirri; color when fresh light brown with irregular white and dark brown markings, a few white ones forming broken circles, while dark brown ones may border or partly encircle the white; 2 prominent white bands on snout and 3 extending downward from lower eye; fin rays with small dark brown spots (Ref. 74405).

Dorsal soft rays (total): 68 - 75; Analsoft rays: 46 - 51

目前僅知兩尾標本，分別採自臺灣墾丁的七星岩以及日本伊豆的八丈島

罕見，不具食用價值。

體長卵形，極側扁；兩眼在右側，眼間隔處具鱗片。前鼻管單一短小，伸達至極短小的後鼻管之前。頭短鈍。口小，近下位，僅盲側上下頜具細齒帶；腭骨無齒。兩 側體側皆被櫛鱗，側線被圓鱗。背鰭與臀鰭基部無孔，背鰭、臀鰭鰭條不分枝，或僅末端分枝，鰭膜上不被鱗；無胸鰭；腹鰭左右對稱或近對稱，眼側者基底短；尾鰭與背﹑臀鰭分離。眼側體淡灰褐色，並有許多不規則白色及深褐色斑塊，吻部具兩條較粗的白線；盲側淡黃白色，鰭色也較淡。

稀少的魚種，生態習性所知甚少。