Brownboy Goby

Males uniformly dark brown; fins dusky to black (Ref. 2798). Females light brown with crossbars on body; caudal base with dark bar; dorsal and caudal fins mottled, other fins clear (Ref. 2798); characterized further by having upper 5-6 pectoral rays partly free of membrane; rounded caudal fin; longitudinal scale series 28-32; predorsal scales 9-13, not reaching rear margin of preopercle; cheek, opercle, pectoral fin base and prepelvic area without scales; ctenoid body scales, becoming cycloid on head and anterior body (short distance anterior to first dorsal fin); depressed head, width greater than depth; depth of body 4.6-5.9 in SL (Ref. 90102).

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Analspines: 1; Analsoft rays: 8

Inhabits rock pools of intertidal zone, rocky shores and mangrove habitat (Ref. 90102).

Inhabits rock pools of intertidal zone, rocky shores and mangrove habitat (Ref. 90102).

分布於印度-西太平洋區海域，由北非至印尼、臺灣、日本及澳洲等。臺灣分布於北部及東北部海域。

小型魚類，不具漁業價值。

第一背鰭：Ⅵ；第二背鰭：Ⅰ/ 9；臀鰭：Ⅰ/ 8；胸鰭：21~24，胸鰭上端前5或6根鰭條游離分枝。縱列鱗 28~32；橫列鱗 9~13。體延長，前部呈亞圓形，後部側扁。標準體長為魚體高的4.65~5.85倍。頭部稍平扁，不具皮瓣。眼居上側位，眼間距小於眼徑。鰓蓋骨上方僅有2個感覺孔(HK, L')，其中H', K'兩孔相癒合成一孔(HK)。尾鰭圓形，短於頭長；腹鰭相連癒合，末端不會延伸至肛門。體呈棕色，體側中央具多條褐色不規則的寬橫帶，橫帶可伸達腹部。頭部和鰓蓋具數條雲紋狀褐色條紋。第一背鰭無寬的深黑色縱帶，僅具2條淺色縱紋；第二背鰭具數條不規則條紋，無小黑點；胸鰭基部具1淺灰色弧形條紋；腹鰭淺色；尾鰭具4~5條不規則垂直條紋，無小黑點。(林上智、林沛立編寫 2012/10)

暖水性底層小型魚類，棲息於潮間帶石礫海域。雜食性，以藻類及底棲無脊椎動物為食。