Scientific Name
Plesiops coeruleolineatus  
Plesiops coeruleolineatus藍線七夕魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Rüppell, 1835 Depth 1 - 23M
Chinese 藍線七夕魚 Poisonous Fish No 
Family_Chinese 七夕魚科 Economic Fish No 
Family F344 Plesiopidae Edible Fish No  Chinese In Mainland China 藍線鮗 
Max Length 10 cm  Aquarium Fish Yes  Common Name 七夕魚 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、South、ShaoLiuChew、LanI Is.、Tung Sa IS.、Nan Sa IS. 
Habitats Coral、Coastal、Lagoon  Holotype Locality Mauritius 
Synonyms Pharopteryx melas, Pharopteryx semeion, Plesiops caeruleolineatus, Plesiops corallicola, Plesiops melas, Plesiops nigricans, Plesiops nigricans apoda, Plesiops semeion, Plesiops welas, Pseudochromichthys riukianus   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.4(FAO,1999)  沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0055159. ASIZP0055190. ASIZP0058783. ASIZP0059078. ASIZP0059314. ASIZP0059387. ASIZP0060451. ASIZP0070415. ASIZP0070427. ASIZP0071005. ASIZP0072192. ASIZP0803367. ASIZP0913367. BPBMI23263. FRIP22353. NMMBP00088. NMMBP02737. NMMBP08587. NMNSF00400. NTOUP200611-813. NTOUP200611-814. NTOUP200611-815. NTOUP200712-072. NTOUP201203-038. NTOUP201203-128. NTOUP201203-129. NTUM04430. NTUM04568. NTUM05773. NTUM06120. NTUM06172. NTUM06337. NTUM07010. NTUM07012. NTUM07013. USNM00211304. USNM00274560. ...List all 41 records... 
Common Name Red-tipped longfin; Red-tipped prettyfin; Crimsontip longfin; Banded devilfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body elongate, slightly compressed. Snout short. A single dorsal fin with XI spines and 7 segmented rays, with deeply incised fin membranes between the spines; anal fin with III spines and 8-9 segmented rays; pectoral fins with 21 rays; pelvic fins with I spine and 4 segmented rays; caudal fin rounded. Lateral line disjunct and in 2 parts, with a more anterior dorsal lateral line running near dorsal-fin base, a posterior lateral line running midlaterally onto caudal peduncle. Color variable; body generally black or brown; 2 dark stripes behind eye; dorsal spines orange distally; bluish stripe along basal part of dorsal fin.
habitats Found under stone or corals in flood basins and lagoons. Common but very secretive and usually found when turning rubble pieces in pools. It ventures out in the open at night to feed on small crustaceans, fishes and gastropods.  
Distribution Distributed in the Indo-Pacific from Red Sea and East Africa to Japan and Oceania. It is a common species in Taiwan except western part.  
Utility Aquarium fishes.