Cownose rays are strong swimmers that have been seen migrating in groups of up to 10,000 rays. It is about 2-4" long, resting along the thickened base of the tail. Cownose rays swim near the surface but have been seen at depths up to 72 feet (22 m). Watch Queue Queue Rays can have one or two spines, but in cownose rays it's just one. Cownose rays have mildly venomous spines and typically only sting when threatened. 5.

A school of Pacific Cownose Ray thrives the open water environment but may sometime visit the ledges of a reef ecosystem. The tail of a cownose ray is roundish and about twice as long as its body from vent to tip.

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Your interaction with a Pacific Cownose Ray in Cocos island will usually occur towards the end of your dive where you will be drifted out to the open water areas. Their spine is close to the body and is located at the base of the dorsal fins.
3. 1. School of stingray just before dusk. This video is unavailable. The largest cownose ray ever recorded was 7 feet (2.1 m) long from wing tip to wing tip.