Ribeiroclinus eigenmanni

The South American weedfish (Ribeiroclinus eigenmanni) is a species of clinid found along the Atlantic coast of South America from southern Brazil to central Argentina where it has been found at a depth of about 17 m. It can reach a maximum length of 4.4 cm. This species is currently the only known member of its genus. The specific name honours the ichthyologist Carl H. Eigenmann (1863-1927).