Scientific Name
Calloplesiops altivelis  
Calloplesiops altivelis珍珠麗七夕魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Steindachner, 1903) Depth 3 - 45M
Chinese 珍珠麗七夕魚 Poisonous Fish No 
Family_Chinese 七夕魚科 Economic Fish No 
Family F344 Plesiopidae Edible Fish No  Chinese In Mainland China 珍珠麗鮗 
Max Length 16 cm  Aquarium Fish Yes  Common Name 孔雀七夕魚、海水鬥魚、瑰麗七夕魚、美麗七夕魚 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan South 
Habitats Coral、Coastal  Holotype Locality Nias, Indonesia 
Synonyms Barrosia barrosi, Callopresiops altivelis, Plesiops altivelis   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.4(FAO,1999)  Steindachner, F. 1903 McCosker, J.E. 1977 McCosker, J. E. 1977 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0054836. ASIZP0056825. ASIZP0059553. ASIZP0060342. NMMSTP00079. NTUM03637. NTUM03638. NTUM03639. NTUM04146. NTUM05379. NTUM07011.  
Common Name Comet; Marine betta 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body elongate, slightly compressed. Snout short. A single dorsal fin with XI spines and 9-10 segmented rays, with barely incised fin membranes between the spines; anal fin with III spines and 9-10 segmented rays; pectoral fins with 19-20 rays; pelvic fins with I spine and 4 segmented rays; caudal fin pointed. 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. Head and body brownish black with small pale blue spots; vertical and pelvic fins dark orange-brown, with many small blue spots; blue ringed black ocellus above base of last 3 dorsal rays; yellow spots at base of upper caudal rays; pectoral rays bright yellow, fin membrane transparent.
habitats Found near reefs, and in caves and crevices along drop-offs. Nocturnal, hides under ledges and in holes by day. It's false eye which is actually the dorsal fin ocellus confuses predators because it poses an inverted image of a fish. When alarmed, it will  
Distribution Distributed in the Indo-Pacific from Red Sea and East Africa to Tonga and the Line Islands, north to Japan. It is found in southern Taiwanese waters.  
Utility Popular aquarium fishes.