Scientific Name	Assessor randalli   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	Allen & Kuiter, 1976	Depth	- M
Chinese	蘭氏燕尾七夕魚	Poisonous Fish	No
Family_Chinese	七夕魚科	Economic Fish	No
Family	F344　Plesiopidae	Edible Fish	No	Chinese In Mainland China	藍氏燕尾鮗
Max Length	4 cm	Aquarium Fish	No	Common Name	七夕魚
Distribution in World	Australia	Distribution in Taiwan	East、South、ShaoLiuChew、LanI Is.、Greeb IS.
Habitats	Coral、Coastal	Holotype Locality	Ryukyu Is.
Synonyms
Reference	臺灣魚類誌(沈等, 1993)；Fish of Japan(Nakabo, 2002)  Allen, G. R. etc. 1976 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002
Specimen List	ASIZP0056841. ASIZP0056842. ASIZP0069891. ASIZP0073527. ASIZP0803380. ASIZP0806076. ASIZP0913380. ASIZP0916076. BPBMI23350. NMMBP02495. NMMSTP00170. NTOUP201006-348. NTOUP201006-354. NTUM06171. NTUM06442. USNM00295662.
Barcode	,,CO1,100%
Common Name	Randall's spiny basslet
Redlist Status	Not in IUCN Redlist
Characteristic	Body elongate, slightly compressed. Snout short. A single dorsal fin with XI spines and 10 segmented rays, with barely incised fin membranes between the spines; anal fin with III spines and 10 segmented rays; pectoral fins with 15 rays; pelvic fins with I spine and 4 segmented rays; caudal fin deeply forked. 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. Body uniformly dark blue to dark brown.
habitats	Found in coral reef gullies. Usually hovering at hole entrances. Strikingly nervous.
Distribution	Distributed in the western Pacific including southern Japan, Taiwan and eastern Australia. It is found in southern Taiwanese waters; Siao Liouciou, southwestern Taiwan and Lanyu, southeastern Taiwan.
Utility	No commercial value.