Aguja Skate

This species have two symmetrically arranged, large, white spots on the dorsal surface at the pectoral-fin bases and symmetrically arranged white spots along the disc margins and this pattern is consistent at all sizes from small to at least 76.0 cm TL in adult males; it has a uniformly colored ventral surface without spots or patterning; anterior disc margin distinctly undulating; preorbital length times orbital length 3.70; preorbital length times interorbital length 2.81; interorbital space times orbit length 1.30; orbital length times spiracle length 1.65; pre-oral length times internarial length 2.12; the dorsal disc surface with a median row of thorns originating from behind shoulder girdle on disc; thorns regularly arranged; median thorns 30-33; interdorsal thorn 1-2; the dermal denticles on the dorsal disc surface mostly smooth except for small patches of widely spaced dermal denticles on snout, between orbits, and tail; teeth arranged in quincunx; predorsal tail vertebrae 62-66; pectoral-fin radial count 80-83 (Ref. 127873).

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

The aguja skate (Bathyraja aguja) is a species of skate in the family Arhynchobatidae. Little is known about this fish. It has not been collected since its discovery in the open seas off the coast of Peru in 1904.