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Philippine Spurdog
Squalus montalbani
Squalus montalbani, the Philippine spurdog or Indonesian greeneye spurdog, is a relatively large species of dogfish shark native to waters off the coast of Australia, the Philippines, and Indonesia. The species was identified in 1912 from a specimen caught off the coast of Luzon Island, and has been both bycatch and a targeted species in fisheries since. Its taxonomy is complex, having been renamed in 1931, being misidentified as a type of shortspine spurdog, then being revived as a species in 2007.
It is classified as vulnerable by the International Union for Conservation of Nature (IUCN) due to past and present threats from fisheries. It is morphologically similar to several other species, which makes identification difficult. The species is identified as a member of the mitsukurii group, a species complex The similarity to other species has posed problems in identifying trends in the species, and thus, in its conservation.
From the article Squalus montalbani on Wikipedia (CC BY-SA), quoted section by section
Range & habitat
S. montalbani, like most other sharks, is exclusively a marine species. It is found in Pacific and Eastern Indian Ocean waters of SE Asia, the Philippines, and Australia. The range in Australian waters extends around the continent, however is most frequently found off the coasts of New South Wales, Queensland, Western Australia. It is found throughout waters of the Philippines and Indonesia. It inhabits water which is warm to temperate. Its range overlaps with other species in the mitsukurii group. The species is found primarily in deep waters, generally close to the bottom. Specimens of the species have been recovered from depths as deep as 1,370 metres (4,490 ft), and as shallow as 154 metres (505 ft), however the species is usually caught in depths from 383 to 670 metres (1,257 to 2,198 ft). The species has been caught along the upper continental shelf or near islands.
Wikipedia: “Range and habitat”
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Squalus montalbani in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 113040.