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Squalidus iijimae 飯島氏銀鮈

Scientific Name:    Squalidus iijimae          
Nomenclater:    Oshima, 1919
Family:    F102  Cyprinidae
Holotype-Locality:    Tozen R., Taiwan
Habitats:    Fresh Water     
Economic Fish:     No
Habitats Depth:    0 - 5 M     
Aquarium Fish:     Yes
Poisonous Fish:    No     
Edible Fish:     No
Synonyms:    Gnathopogon iijimae   
Reference:    Shen, S. C. (ed.) (1993). Fishes of Taiwan. Department of Zoology, National Taiwan University, Taipei. 960 p. Tzeng CS (1996). The freshwater fishes of Taiwan. Taiwan Province Department of Education. Taichung. 183 p. Chen IS and Fang LS (1999). The fresh  Oshima, M. 1919 沈世傑 編 Shih-Chieh Shen ed. 1993 陳義雄,方力行 1999 陳義雄, 張詠青, 邵廣昭 2005  
Redlist Status:    2009-04-01COA, Taiwan Redlist: Critically Endangered   Not in IUCN Redlist   
Common Name in Engulish:    Taiwan gudgeon; Iijima's gudgeon
Chinese Name transliteration:    fan dao shih ge syu jyu, tai wan ge syu jyu, che shuan zai, fan dao shih ma yu
Distribution in Taiwan:    North、Middle
Distribution in World:    Taiwan
Max Lenth:     6.7 cm
Specimen List:     FMNH59096Holotype. FRIP00481. NMNSF00158. NMNSF00163. NMNSF00194. NMNSF00261. NMNSF00265. NMNSF00739. NMNSF01358. NMNSF01480. NMNSF01530. NTUM05257. USNM00192922.          
Characteristic:    Head moderately large. Snout triangular. Eye large, on upper side of head. Mouth oblique, upper jaw longer than lower, posterior end of upper jaw reaches anterior margin of eye; lips thin; one pair of mandibular barbels at corner of mouth. Body elongated, compressed, belly rounded, shaped like a spindle; caudal peduncle thin and long. Scales moderately large, cycloid; lateral line complete. L.l.:33-35; dorsal fin rays:3+7; pectoral branched rays:16; pelvic branched rays:7; anal fin rays:2+6. Pelvic fin origin at midline between snout tip and caudal peduncle end; pectoral fin end distant from pelvic fin origin; pectoral and pelvic fins at lower side of body; caudal fin forked. Olive dorsally, side and belly silvery white. Irregular spots along back and on dorsal and caudal fins; a golden stripe on midline of side near a dark stripe composed of spots.
Habitats    Primary freshwater fish, prefers still water at lower and middle reaches, can be found in ponds, canals, and backwaters. Polyphagia, feeds on diatom and aquatic insects.
Distribution:    Endemic to Taiwan, can be found only in middle reach of Tatu River.
Utility:    Small in size, poorly noticed. Potential ornamental species.



Text and images are provided by The Fish Datebase of Taiwan (Biodiversity Research Center, Academia Sinica, Taiwan)