The Graus nigra lives in the demersal, marine environment.
Feeding habits of Graus nigra (Labridae) in coastal waters of iquique in Northern Chile.. Jap. J. Ichthyol. ... http://www.fishbase.org.ph/map/PointData.asp?genus=Graus&species=nigra 57673 Graus nigra Philippi, 1887 Kyphosidae Sea chubs Girellinae ...: ... More
of Graus nigra, but better represents a specimen of Malapterus reticulatus, a fish of the family Labridae. The situation of nomen nudum is suggested to be changed into junior synonym of M. reticulatus. More
Feeding habits of Graus nigra (Labridae) in coastal waters of Iquique, northern Chile. Jap. J. Ichthyol. 29: 95-98. Fuentes, L. & J. Cancino. 1990. More
Mulata in Spanish (español)
Vieja in Spanish (español)
Vieja negra in Spanish (español)
格氏 in Chinese (中文)
格氏 in Mandarin Chinese