Eye Lash Harptail Blenny

Identified by the blue-edged diagonal black line from the eye and yellow dorsal fin or back. Adults have long filaments on the caudal fin tips; length without filaments (Ref. 48636).

Oviparous, distinct pairing (Ref. 205).

Dorsal spines (total): 4; Dorsal soft rays (total): 25 - 28; Analspines: 2; Analsoft rays: 15 - 18

Inhabits lagoon and seaward reefs below the surge zone to 30 m depth (Ref. 9710). Feeds on zooplankton and also on small benthic invertebrates.

Adults are found solitary or in pairs (Ref. 90102) in lagoon and seaward reefs below the surge zone to 30 m depth (Ref. 9710). A common species, often seen along slopes and drop-offs, adults sometimes in small groups (Ref. 48636). Feed on zooplankton and also on small benthic invertebrates. Inoffensive, but immune from predation (Ref. 9710). Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114). Mimicked by Ecsenius bicolor and Plagiotremus laudanus (Ref. 90102).

aquarium: commercial

分布於西太平洋區，由印尼巴里島至薩摩亞，北至琉球群島，南至大堡礁及拉帕。台灣分布於南部、綠島及蘭嶼等海域。

小型魚類，僅具學術研究價值，或水族觀賞用。

體延長，稍側扁。頭頂無冠膜，無鬚。鰓裂下緣恰在胸鰭基上方。下頜兩側之擴大犬齒具深溝和毒腺。D. IV, 25-28; A. II, 15-18； P. 13-15；V. I, 3。背鰭無缺刻，背鰭、臀鰭與尾柄相連；尾鰭截形或成梳狀緣，成熟雄魚尾鰭上下鰭條延長。活魚時，頭及體前部深藍色，越往後而漸淺，體後半為黃色；頭部由眼至背鰭起點下方具一藍緣之黑斜斑，向背鰭延伸而成一短斑；背鰭鮮黃色；臀鰭前部淡藍，後部淡黃；尾鰭淡色，上下緣鮮黃色。

主要棲息於潟湖或水深至約30公尺的面海礁石區。其下頜兩側之大犬齒具深溝和毒腺，藉此以防禦獵捕者之偷襲。以浮游動物及小型無脊椎動物為食。

Meiacanthus atrodorsalis, the forktail blenny, is a species of combtooth blenny found in coral reefs in the western Pacific ocean. This species grows to a length of 11 centimetres (4.3 in) TL. This venomous species can also be found in the aquarium trade. It is also known as the eyelash harptail-blenny, poison-fang blenny or the yellowtail poison-fang blenny.