Corydoras panda the entire fin area. The caudal peduncle is marked with a black band, this black band encircling the caudal peduncle from dorsal to ventral surface. The adipose fin, supported by a small fin spine, sometimes contains black pigmentation. The head is the same ground colour as the body, with a black mask surrounding the eyes, descending vertically from the fontanel, over each eye, and ending in a triangular wedge immediately before the ventral surface of the head. The pectoral fins are positioned immediately behind the operculum, and are usually oriented horizontally when the fish is at rest, extended in a
Caudal Deportivo Mieres" after the Spanish Civil War, as all foreign denominations were forbidden. In 1946 Caudal first reached the third division, promoting to the second five years later – the "Segunda División B" category would only see the light of day in the late-1970s. Starting in 1980 and with the exception of one year, the club would spend the following 18 seasons in the fourth level, then play seven out of eight years in the third, being relegated back in 2004. Caudal won its group in the 2009–10 season – it had already finished first in 2006–07, albeit without promotion –