Red Shortnose Seabat, Halicmetus ruber Alcock 1891
A Red Shortnose Seabat, Halicmetus ruber, from SW of Scott Reef, Western Australia, depth ~1020 m, NMV A 29720-004, 52 mm SL. Source: Dianne J. Bray / Museums Victoria. License: CC by Attribution
Summary:
A pale grey seabat with or without dusky markings on the uperside, a whitish underside with a dark peritoneum, and a dark margin on the pectoral, pelvic and anal fins. The Red Shortnose Seabat is unique among seabats in lacking a dorsal fin in adults (>30 mm SL).
Cite this page as:
Bray, D.J. 2022, Halicmetus ruber in Fishes of Australia, accessed 23 Apr 2024, https://fishesofaustralia.net.au/Home/species/5478
Red Shortnose Seabat, Halicmetus ruber Alcock 1891
More Info
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Distribution |
North West Shelf from north of West Cape to southwest of Scott Reef , Western Australia; also off Christmas Island in the eastern Indian Ocean. Elsewhere the species occurs in the tropical Indo-west Pacific. |
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Features |
Dorsal fin absent; Anal fin 4; Pectoral fin 12–13; Pelvic fin 5; Caudal fin 9. Body strongly depressed, disc relatively narrow, subtriangular, 63–75% SL, wider than long; tail relatively long. Snout broad and rounded, without a conical rostrum, face flatted and upturned, the mouth visible from dorsal view. Illicial trough opening moderately high;Orbit large, 8.8–10.5% SL; interorbital very narrow, 5.1–6.4% SL. Illicial trough opening moderately high, illicial cavity small, esca a small flat lobe, ventrally broader than dorsal, with fleshy fringe on dorsal edge. Mid-dorsal disc with small scattered bucklers, robust and multicuspid spinules and scattered tiny tubercles, the later imperceptible without magnification; belly covered with relatively widely spaced, robust, simple and bifurcate spinules, larger tubercles and bucklers absent. Dorsal fin absent in adult, anal fin very short. |
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Etymology |
The specific name is from the Latin ruber (= red) in reference to the "uniformly light pink" colour of this species (as described by Alcock). |
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Species Citation |
Halicmetus ruber Alcock 1891, Annals and Magazine of Natural History (Series 6)8 (43/44): 27, Pl. 8 (figs. 1, 1a-b). Type locality: Andaman Sea, 11°31'40"N, 92°46'06"E, Investigator station 115, depth 188-220 fathoms. |
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Author |
Bray, D.J. 2022 |
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Resources |
Red Shortnose Seabat, Halicmetus ruber Alcock 1891
References
Alcock, A. 1891. Class Pisces. In, II. – Natural history notes from H. M. Indian marine survey steamer Investigator, Commander R.F. Hoskyn, R.N., commanding.–Series II., No. 1. On the results of deep-sea dredging during the season 1890-91. Annals and Magazine of Natural History 6 8(43, 44): 16-34, 119-138 figs 1-5 pls 7-8 See ref at BHL
Ho, H. 2020. Halicmetus ruber. The IUCN Red List of Threatened Species 2020: e.T140301457A140322705. https://dx.doi.org/10.2305/IUCN.UK.2020-1.RLTS.T140301457A140322705.en. Downloaded on 25 November 2021.
Ho, H.-C., Endo, H. & Sakamaki, K. 2008. A new species of Halicmetus (Lophiiformes: Ogcocephalidae) from the western Pacific, with comments on congeners. Zoological Studies 47(6): 767-773. See ref online
Ho, H.-C. & Last, P.R. 2018. Review of the batfish genus Halicmetus Alcock, 1891 from Australian waters, with descriptions of two new species (Lophiiformes: Ogcocephalidae). Zootaxa 4508(2): 179-196. http://dx.doi.org/10.11646/zootaxa.4508.2.2
