Taeniura lymma · Indo-Pacific reef ray · Shallow-sand specialist
Few creatures in the Indo-Pacific catch a diver’s eye as quickly as the Bluespotted Ribbontail Ray. With bright blue markings scattered across a golden-olive disc, this compact ray seems to glow as it sweeps across sand flats and coral gardens.
You’ll often spot it resting beneath ledges or tucked beside coral heads, half-buried in sand with only those vibrant spots showing. If startled, it bolts in a sudden burst of energy, kicking up a trail of silt behind it.
Quick ID Guide
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Appearance:A small ray, typically 20–30 cm disc width (occasionally up to ~35 cm), with vivid electric-blue spots and two bold blue stripes along the tail.
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Habitat:Shallow coastal waters, commonly from the surface to 20 m, and occasionally down to 30 m. Frequent on sandy bottoms and in coral gardens.
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Tail Warning:Equipped with one or two venomous spines — not aggressive, but capable of delivering a painful sting. Best observed from a respectful distance.
Globally assessed as Least Concern. Still influenced by shallow-reef habitat loss, artisanal fisheries, and aquarium trade collection.
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