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Long-tailed Butterfly Ray

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description Long-tailed Butterfly Ray Overview

The Long-tailed Butterfly Ray (Gymnura poecilura) is a distinctive cartilaginous fish recognized by its broad, diamond-shaped pectoral disc and an exceptionally long tail. It primarily inhabits the coastal marine waters of the Indo-West Pacific, often burying itself in the sandy bottoms of bays and estuaries. Like other rays, it is adapted to a benthic lifestyle, feeding on small fish and invertebrates found along the sea floor. This species is ovoviviparous, meaning its embryos develop inside eggs that are retained within the mother's body until they are ready to hatch.

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What does the Long-tailed Butterfly Ray look like?

The Long-tailed Butterfly Ray (Gymnura poecilura) has a broad, diamond-shaped pectoral disc and a distinctive, exceptionally long tail that can exceed the width of its body. It belongs to the family Gymnuridae, the butterfly rays, named for their wide, flat bodies that resemble butterfly wings.

Where does the Long-tailed Butterfly Ray live?

This species primarily inhabits coastal marine waters of the Indo-West Pacific, ranging from the Red Sea and East Africa to Southeast Asia and Australia. It is typically found in shallow sandy or muddy coastal waters where it can bury itself in the substrate.

Is the Long-tailed Butterfly Ray dangerous to humans?

The Long-tailed Butterfly Ray is generally not aggressive toward humans and encounters are uncommon due to its burial behavior in sandy substrates. Like other ray species, it may possess venomous tail spines used for defense, but documented unprovoked attacks on humans are extremely rare.

What does the Long-tailed Butterfly Ray eat?

The species feeds on benthic prey including small fish, crustaceans, and mollusks found on or near the sandy sea floor. It captures food by lying partially buried in sediment and ambushing organisms that pass within range, using its flat body to pin and consume prey.

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