Scientific Name
Blenniella caudolineata  
Blenniella caudolineata尾紋真蛙鳚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Günther, 1877) Depth 0 - 5M
Chinese 尾紋真蛙鳚 Poisonous Fish No 
Family_Chinese 鳚科 Economic Fish No 
Family F447 Blenniidae Edible Fish No  Chinese In Mainland China 尾紋真動齒鳚 
Max Length 8.1 cm  Aquarium Fish No  Common Name 狗鰷 
Distribution in World Pacific Ocean   Distribution in Taiwan South、ShaoLiuChew、LanI Is.、Greeb IS.、Nan Sa IS. 
Habitats Coral、Coastal  Holotype Locality Tahiti, Society Is. 
Synonyms Istiblennius cyanostigma, Salarias beani, Salarias caudolineatus   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2006);Springer, V.G. and J.T. Williams, 1994. The Indo-West Pacific blenniid fish genus Istiblennius reappraised: a revision of Istiblennius, Blenniella, and Paralticus, new genus.. Smithson. Contrib. Zool. 565:193 p  沈世傑 編 Shih-Chieh Shen ed. 1993 Springer, V. G. etc. 1994 
Specimen List ASIZP0074749. ASIZP0074897. NMMBP02318. NMMBP02948. NMMBP03261. NTMP0951. NTOUP200611-811. USNM00296024. USNM00296511.  
Common Name Blue-spotted blenny 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal fin with XII-XIV spines and 19-22 soft rays; anal fin with II-III spines and 20-23 soft rays; vertebrae: 37-40. Nuchal cirrus present, but small. Supraorbital cirrus slender with trifid tips. Both male and female have low occipital crest. This species shows a high degree of sexual dimorphism in color pattern. Females have numerous longitudinal pinstripes on their sides and black specks on their fins while males have dark patches and small blue spots on their sides. This species have been misidentified as a similar species, Blenniella cyanostigma, in Pacfic Ocean.
habitats Inhabits demersal marine environment. Occurs in intertidal zones in large rock pools or coastal bays. Found near-shore; common in tide pools. Oviparous. Feeds on algae scraped from rubble or rock surfaces. 
Distribution Pacific Ocean: southern Japan to the Moluccas, east to Mariana Islands, Tonga, and Tuamoto Archipelago; Tawara, Kiribati and Howland Island. Replaced by Blenniella cyanostigma in the Indian Ocean. 
Utility No commercial value.