It was a big guy (about 2m long) gently lying on the sandy bottom, just next to the ledge-shaped reef. We spent about ten minutes there, keeping a good distance to avoid disturbance. Yet, remoras stalked it :-)
Note the widely spotted back - sometimes spots are only concentrated along the flanks.
Pic taken in the context of project Green Bubbles, H2020 Marie Sklodowska-Curie grant agreement No 643712.
Orange County, California, US
South Monastery Beach (Carmel River Beach) at about 18 ' depth.
Mud Skate at Sydney Sea Life Aquarium
Common Shovelnose Ray at Sydney Sea Life Aquarium
The guitarfish are a family, Rhinobatidae, of rays. The guitarfish are known for an elongated body with a flattened head and trunk and small ray like wings. The combined range of the various species is tropical, subtropical and temperate waters worldwide. They often travel in large schools.