• Thumbnail for Graus nigra
    Graus nigra is a species of sea chub endemic to the Pacific coast of South America, ranging from Valdivia in Chile to southern Peru. This species grows...
    4 KB (453 words) - 13:25, 22 June 2024
  • Thumbnail for Girellinae
    - zebra fish, stripey bream Girella zonata (Günther, 1859) Genus Graus Graus nigra (Philippi, 1887) Richard van der Laan; William N. Eschmeyer & Ronald...
    3 KB (237 words) - 03:32, 5 June 2024
  • Thumbnail for Chirodactylus variegatus
    (Pinguipes chilensis), the Cape redfish (Sebastes capensis) and the sea chub Graus nigra. People of the Chinchorro culture who inhabited the arid coast of Chile...
    6 KB (707 words) - 16:39, 25 June 2024
  • Thumbnail for Semicossyphus darwini
    variegatus), the Chilean sandperch Pinguipes chilensis, the sea chub Graus nigra, and the cabrilla (Sebastes oculatus). These fish are preyed on by the...
    4 KB (413 words) - 15:30, 24 April 2023
  • both recreational and artisanal spear-fishing. Historically, along with Graus nigra and the Chilean sheepshead (Semicossyphus darwini), M. ancietae constituted...
    4 KB (423 words) - 19:31, 10 July 2024
  • Thumbnail for Pinguipes chilensis
    such as the Peruvian morwong (Cheilodactylus variegatus), the sea chub (Graus nigra) and the Cape redfish (Sebastes capensis). P. chilensis is a generalist...
    5 KB (501 words) - 19:30, 10 July 2024
  • Thumbnail for Cracidae
    von Spix 1825 Genus Penelopina Reichenbach 1861 Highland guan, Penelopina nigra (Fraser 1852) Reichenbach 1861 Subfamily Cracinae Tribe Ortalidini Donegan...
    22 KB (2,040 words) - 12:33, 14 October 2024
  • Thumbnail for Guan (bird)
    morphology, biogeography, and mt and nDNA sequences (Pereira et al. 2002, Grau et al. 2005). The position of Penelopina and Chamaepetes - peculiar genera...
    6 KB (462 words) - 13:43, 22 April 2024
  • Thumbnail for Neuron
    post-synaptic neurotransmission. Loss of dopamine neurons in the substantia nigra has been linked to Parkinson's disease. Dopamine is synthesized from the...
    79 KB (9,153 words) - 22:48, 18 October 2024
  • Thumbnail for Caudate nucleus
    highly innervated by dopaminergic neurons that originate from the substantia nigra pars compacta (SNc). The SNc is in the midbrain and contains cell projections...
    66 KB (7,667 words) - 04:44, 1 October 2024