Scientific Name
Hemimyzon formosanus
Hemimyzon formosanus臺灣間爬岩鰍
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Boulenger, 1894) Depth 0 - 10M
Chinese 臺灣間爬岩鰍 Poisonous Fish No 
Family_Chinese 爬鰍科 Economic Fish No 
Family F107 Balitoridae Edible Fish No  Chinese In Mainland China 臺灣間吸鰍 
Max Length 10 cm  Aquarium Fish Yes  Common Name 臺灣石爬子、石貼仔 
Distribution in World Taiwan [Endemic in Taiwan]   Distribution in Taiwan North、Middle、South 
Habitats Fresh water  Holotype Locality Central Taiwan [Formosa] 
Synonyms Hemimyzon formosanum, Homaloptera formosana   
Reference 臺灣魚類誌(沈等, 1993);臺灣淡水及河口魚類誌(陳&方, 1999)  Boulenger, G. A. 1894 沈世傑 編 Shih-Chieh Shen ed. 1993 陳義雄,方力行 1999 樂佩琦 等編 Yue Peiqi et al. (eds.) 2000 
Specimen List ASIZP0056979. ASIZP0057988. ASIZP0059633. ASIZP0062079. ASIZP0065740. ASIZP0072757. ASIZP0072758. ASIZP0072759. ASIZP0801326. ASIZP0805439. ASIZP0805440. ASIZP0805441. ASIZP0911326. ASIZP0915439. ASIZP0915440. ASIZP0915441. BMNH1894.11.14.11Holotype. NMMBP02673. NMMBP03936. NMMBP03978. NMMBP03979. NMMBP05601. NMMBP05638. NMMBP05904. NMMBP05971. NMMSTP00658. NMNSF00192. NMNSF00284. NMNSF01033. NMNSF01034. NMNSF01359. NMNSF01465. NTHUB00764. NTHUB00778. NTHUB00786. NTHUB00803. NTHUB00809. ...List all 93 records... 
Barcode2008-03-24,Kui-Ching Hsu,CO1,100% 2012-10-15,張家豪,CO1,100% 2012-10-15,張家豪,CO1,100% 2012-10-15,張家豪,CO1,100%
Common Name Formosan river loach 
Redlist Status NL Not in IUCN Redlist     VU 2012 Redlist of Fresh Water Fishes::VU
Characteristic Snout short, wider than depth. Mouth inferior, arched; three rostral fold in front of mouth. Four maxillary barbells in a row, two pairs of mandibular barbells at corner of mouth. Body moderately thin, moderately elongated, posterior laterally compressed; ventral profile horizontal to origin of anal; dorsal slightly arched. Scales tiny, ventral surface of head, thorax and abdomen naked; lateral line scales complete. L.l.:67-72; dorsal fin rays:3+7; pectoral fin rays:10-13+10-14; pelvic fin rays:4-5+9-10; anal fin rays:2+5. Pectoral and pelvic fins laterally expanded; pelvic fin base separated; anus near anal fin origin; caudal fin forked, lower lobe longer than upper. Dorsal fin origin slightly behind pelvic fin origin. Brownish. irregularly dark blotches along back. Black stripes on dorsal and caudal fins.
habitats Primary freshwater fish, lives in moderately fast running water of middle and low elevation. Benthic. Polyphagia, feed on aquatic insects and diatom on rock. 
Distribution Endemic to western portion of Central Mountain Range (CMR) of Taiwan.