Comprehensive Description
provided by Smithsonian Contributions to Zoology
Nannostomus marginatus Eigenmann
DIAGNOSIS.—Primary, secondary, and tertiary horizontal stripes all well developed. Nocturnal oblique bands present, permanent blotches absent. Anal fin of males short, not reaching caudal fin when adpressed to body. Adipose fin always absent. Scales in a lateral series 21 to 23. Caudal fin normal with 10 principal rays terminating in dorsal lobe and 9 in ventral lobe.
- bibliographic citation
- Weitzman, Stanley H. and Cobb, J. Stanley. 1975. "A revision of the South American fishes of the genus Nannostomus Günther (family Lebiasinidae)." Smithsonian Contributions to Zoology. 1-36. https://doi.org/10.5479/si.00810282.186