Loki Whipgoby

Dorsal-fin rays VI + I,7-I,9, usually I,8; anal-fin rays I,7-I,9, usually I,8; scales usually extending forward to above pectoral-fin base, the longitudinal scale count 33–53 (mean scale count 47); body depth at origin of anal fin 10.5–17.8% SL; body progressively compressed posteriorly; head width slightly greater than head depth; snout short, the length equal to or less than orbit diameter; gill opening extending forward to posterior margin of orbit; one or two canine teeth at side of lower jaw; caudal fin truncate with rounded corners; pelvic fins short, round, and cup-like; pelvic spines short and fleshy; nape and body transparent dorsally with seven narrow red bars that broaden as they pass onto dusky golden ventral part of body (on some individuals, the red and gold tend to merge, making the bars indistinct); a white to pale yellow line visible dorsally on vertebral column. A small species, generally less than 20 mm SL (Ref. 89154).

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 7 - 9; Analspines: 1; Analsoft rays: 7 - 9

Known to live only on sea whips and gorgonian corals (Ref. 9002). Occurs usually with Junceela fragilis in Indonesia, that found inshore on somewhat silty reefs (Ref. 48637).

分布於印度-太平洋海域，由紅海至夏威夷、斐濟及薩摩亞群島等，北至菲律賓、臺灣及日本，南到澳洲大堡礁、羅得豪等。臺灣發現於南部海域。

小型魚類，不具漁業價值。

第一背鰭：Ⅵ；第二背鰭：Ⅰ, 7~ 9 (通常是8)；臀鰭：Ⅰ, 7~9；胸鰭：13~17 (通常是14或15)，胸鰭上端前3或4根與下端倒數2或3根鰭條不游離分枝，其餘接分枝。縱列鱗 33~53 (平均47)。身體細長，標準體長為魚體高的5.6~9.5倍。頭寬與頭高約相等；吻長等於或稍短於眼徑長。口大，上下頜約等長；下頜兩側中部的外列齒，各為1-2顆大型犬齒。眼間隔狹窄，約為眼徑的1/3，有2個感覺孔，感覺孔連續，不中斷。腹鰭短，相連癒合成吸盤狀，末端不會延伸至肛門。體色淺粉紅色而透明，可見到體內部具深紅色三角形斑塊，各斑塊向上方延伸達背面，形成紅色斑點。體側下半部粉紅色。上唇及吻部紅色。各鰭淺粉紅色而透明，尾鰭下半葉為紅色。胸鰭基部無斑塊。(林上智、林沛立編寫 2012/10)

暖水性底層小型魚類，主要棲息於熱帶珊瑚礁的蘆莖珊瑚上，具有良好的保護色，與珊瑚營共生生活。常可見到成對棲息於同一株上，並將卵產於珊瑚的表面上。