description Longspine Thornyhead Overview
Longspine Thornyhead, Sebastolobus altivelis, is a deep-water rockfish of the eastern Pacific Ocean. It is associated with bathyal habitats and is generally found at depths of about 300 to 1,700 metres, deeper than the related shortspine thornyhead. The species has a robust, spiny appearance typical of thornyheads and is part of the deep-sea fish fauna studied in relation to commercial fisheries and marine ecology. Its range and depth distribution distinguish it from shallower rockfish.
help Longspine Thornyhead FAQ
What is the scientific name of the Longspine Thornyhead?
The Longspine Thornyhead is Sebastolobus altivelis, a deep-water rockfish of the eastern Pacific. It belongs to the thornyhead group within the scorpionfish family.
How deep does the Longspine Thornyhead live?
It is generally found at roughly 300 to 1,700 meters, in bathyal deep-water habitats. It is usually deeper-ranging than the related shortspine thornyhead, Sebastolobus alascanus.
How can I identify a Longspine Thornyhead?
It has an elongated third dorsal spine, a mostly black gill chamber, and usually 15 dorsal spines. Adults can reach about 39 centimeters in length.
How long can a Longspine Thornyhead live?
Washington wildlife sources report a maximum age of at least 45 years. The species' slow life history is consistent with its deep-water habitat and its rockfish biology.
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