Redfin Triplefin

This species is distinguished by the following characters: D IV + XIV-XV + 10-11 (IV+XV+11); A II, 20-21 (21), spine length half of the rays; pectoral rays 16, dorsalmost 2-3 and ventral most 7 simple, remainder branched once; pelvic rays bound together by membrane for less than one-fourth of length of shorter ray; lateral line pored scales 21-24 (22), terminates between 2nd and 3rd dorsal fins; notched scales and 14-19 (16); total lateral scales 32-35 (34); dentary pores 5-6 + 1 + 5-6; orbital and nasal cirri palmate and about as large as pupil diameter; dorsal fin also with cirri at tips of spines; head 2.9-3.6 (3.3) in SL, eye 3.0-3.9 (3.3), maxilla 2.3-3.0 (2.6) and snout 3.3-4.9 (3.8) in head length (Ref. 88983). Description: Heavily pigmented (Ref. 1602). Overall greyish or brownish with 5 white saddles on dorsal side extending to fins, eye bar black and broad, anal fin vertical bands black, caudal fin bands grey and white (Ref. 90102).

Dorsal spines (total): 18 - 19; Dorsal soft rays (total): 10 - 11; Analspines: 2; Analsoft rays: 20 - 21

Inhabits coral or rock, often under ledges, on clear lagoon and seaward reefs (Ref. 13227).

Adults inhabit coral or rock, often under ledges, on clear lagoon and seaward reefs (Ref. 13227). Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114).

fisheries: of no interest

分布於印度-西太平洋區，由紅海至斐濟，北至日本，南至澳洲及新加勒多尼亞。台灣分布於南部及澎湖海域。

小型魚類，僅具學術研究價值。

體形小，圓柱狀。吻尖，上頜向後延伸至眼中部下方。上下頜齒小，外列齒較大。眼眶上緣皮膜呈葉狀，且有3-6個分枝；鼻瓣膜細長，無鋸齒緣。頤部感覺孔4+2+4。頭、頸、腹部及胸鰭基無鱗，其餘被櫛鱗；第一與第二背鰭基無鱗；側線不連續，分為前後二段，前段側線為孔鱗，孔鱗側線不陡降，末端位於第二背鰭第 11-12棘下方；後段側線為缺刻鱗，缺刻側線鱗從孔鱗側線末端起延伸至尾柄。D. IV+XII-XIII+9；A. I+17-20； P. iv+5+vi； L.l. 15-18+19。體黃褐色或偏淡，頭部吻端至眼前緣褐色，眼下緣另具褐色帶；體側具顯著之褐色寬橫帶，有時延伸至背鰭且顏色顯著偏紅。

主要棲息於澄清潟湖或向海的珊瑚與岩石混合之水域。

Norfolkia brachylepis, known commonly as the tropical scaly-headed triplefin, is a species of triplefin blenny in the genus Norfolkia. It was described by Leonard Schultz in 1960. This is an Indo-Pacific species which is distributed from the Red Sea to Fiji, north to the Izu Islands and south to Australia.