Beacon Lightfish, Argyripnus pharos Harold & Lancaster 2003
Holotype of the Beacon Lightfish, Argyripnus pharos, BMNH 1986.9.22.41, from off South Java, Indonesia. Source: Fig. 1, in Harold & Lancaster (2003) Proc. Biol. Soc. Washington 116(4): 883-891 / Biodiversity Heritage Library. License: CC by Attribution
Cite this page as:
Bray, D.J. 2021, Argyripnus pharos in Fishes of Australia, accessed 25 Jan 2025, https://fishesofaustralia.net.au/Home/species/5620
Beacon Lightfish, Argyripnus pharos Harold & Lancaster 2003
More Info
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Distribution |
West of Shark Bay to south of Ashmore Reef, Western Australia, and east of Fraser Island, Queensland. Specimens from the Ashmore Terrace (Timor Sea, 390-394m, and off Rowley Shoals (310m) are also likely this species. Elsewhere the species occurs in the tropical, Indo-west Pacific: East Africa to Madagascar, and Indonesia to the Philippines and the Coral Sea (absent from the central Indian Ocean). |
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Features |
Dorsal fin 9-12; Gill rakers 15-16, usually 16, with typically 12 on the ventral limb; Vertebrae 42-44; VAV + ACA photophores 13-18; VAV + ACA photophore elevation 3.7-6.4% SL. Moderate in size, with shallow body profile, body depth 24.7-31.9% SL; head large (to 35.1% SL), lateral profile forming a slightly round ed angle of about 90 degrees, with apex at dentary symphysis; mouth large, oblique. |
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Remarks |
Argyripnus pharos has been confused with A. brocki, which is endemic to the area around the Hawaiian Islands. |
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Etymology |
The specific name is from the Greek pharos (= lighthouse, beacon) in reference to the dorsally displaced elements of the VAV + ACA photophore cluster. |
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Species Citation |
Argyripnus pharos Harold & Lancaster 2003, Proceedings of the Biological Society of Washington 116(4): 884, fig. 1. Type locality: Saleh Bay, South Java, Indonesia [8°30'S, 118°00'E (approximate)]. |
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Author |
Bray, D.J. 2021 |
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Resources |
Beacon Lightfish, Argyripnus pharos Harold & Lancaster 2003
References
Harold, A. 2020. Argyripnus pharos. The IUCN Red List of Threatened Species 2020: e.T137466286A137467483. https://dx.doi.org/10.2305/IUCN.UK.2020-1.RLTS.T137466286A137467483.en. Downloaded on 06 July 2021.
Harold, A.S. & Lancaster, K. 2003. A new species of the hatchetfish genus Argyripnus (Stomiiformes: Sternoptychidae) from the Indo-Pacific. Proceedings of the Biological Society of Washington 116(4): 883-891 See ref at BHL
Parin, N.V. 1992. Argyripnus electronus, a new sternoptychid fish from the Sala y Gomez Submarine Ridge. Japanese Journal of Ichthyology 39: 135-137 (in part, record from north-western Australia is A. pharos)
Struhsaker, P.J. 1973. Argyripnus brocki, a new species of stomiatoid fish from Hawaii, with observations on A. ephippiatus and A. iridescens. United States National Marine Fisheries Service Fishery Bulletin 71(3): 827-836 See ref at BHL (records of Argyripnus brocki from East Africa, Madagascar, northwestern Australia, the Coral Sea, and the Philippines are now considered to represent A. pharos)
