Lord Howe Abalone
| Attribute | Details |
|---|---|
| Scientific Name | Haliotis rubiginosa |
| Common Name | Lord Howe Abalone |
| Distribution | Strictly endemic to the waters surrounding Lord Howe Island, New South Wales, Australia. |
| Habitat | Highly restricted, shallow carbonate reefs where it lives a cryptic lifestyle concealed beneath intertidal boulders, dead coral rubble, and narrow limestone crevices. |
| Depth Range | 0 to 10 metres. |
| Average Size | 3 to 5 centimetres. |
| Maximum Size | 5.6 centimetres. |
| Commercial Status | Non-commercial (Protected / Critically Endangered). |
| Key Characteristics | This rare dwarf species features an ovate, convex shell sculptured with prominent wrinkles, spiral ridges, and a row of 6 low respiratory pores. The exterior is a distinctive rusty orange spirally streaked with white, while the internal surface lines with a brilliant silvery nacre. Live animals are highly colourful, displaying a cream foot, a striking lime-green head and mantle, and vivid red light receptors at the tips of their eye stalks. |
About Lord Howe Abalone
The Lord Howe Abalone (Haliotis rubiginosa) is an exceptionally rare, micro-endemic marine gastropod restricted entirely to the tiny marine park surrounding Lord Howe Island. Entirely bypassed by commercial food markets due to its miniature size, it faces severe modern ecological pressures and is officially listed as Critically Endangered on the IUCN Red List. Climate-induced marine heatwaves pose an existential threat to its highly localised, fragile habitat, prompting strict conservation legalities and hefty penalties to protect this ecologically unique island grazer from disturbance.
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