Pseudogramma polyacantha (Bleeker 1856)

Brownish with dusky reticulations (Ref. 6635). No dermal flap or small tentacle dorsally on eye. Two large pores in interorbital space, one on each side close to the edge of the orbit. Tubular anterior nostril near the edge of the snout at the base of the upper lip, the tube is not long; when laid back reaching almost half way to posterior nostril. Second lateral line not fully developed. Longitudinal scale series 46-50(Ref. 27020).

Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 19 - 22; Analspines: 3; Analsoft rays: 15 - 18; Vertebrae: 25 - 27

Found inshore (Ref. 75154).

Secretive (Ref. 48635); lives among corals of shallow reef flats and lagoons (Ref. 1602). Also found under dead coral pieces but quickly sneaks away when looking underneath (Ref. 48635). Solitary (Ref 90102).

分布於印度-太平洋區，西起非洲東部，東至馬貴斯及杜夕群島，北至日本南部，南至羅得豪島。台灣南部、小琉球及綠島等海域有產。

小型魚類，不具食用經濟性之魚種。

體延長而側扁，標準體長為體高之3.3-3.5倍。吻短。眼中大；眼間隔具一對大型感覺孔，眼緣則圍繞許多感覺孔。口較大，稍傾斜。前鰓蓋骨上緣具一棘。體被小櫛鱗；側線不完全，止於背鰭基底後緣，縱列鱗數50-54。背鰭連續，具硬棘VII-VIII，軟條19-22，軟條明顯長於硬棘；臀鰭硬棘III枚，軟條15-18；腹鰭小，腹位，延伸僅及胸鰭前部；胸鰭軟條17-18；尾鰭小，圓形。體呈黃褐色，體側散佈許多大於瞳孔之淡色點；鰓蓋上具一與眼睛同大之暗色點。各鰭具淡藍色緣。

主要棲息於淺的礁區平台或潟湖水海，棲息深度在1-15公尺左右。

Placed in Family Pseudogrammidae in

Lives among corals of shallow reef flats and lagoons (Ref. 1602).