Winged Pearleye, Rosenblattichthys alatus (Fourmanoir 1970)
Illustration of the holotype of the Winged Pearleye, Rosenblattichthys alatus (MNHN 1970-0036, 48 mm SL). Source: After Fig. 30A, in Johnson (1974) Fieldiana Zoology 66: 97 / Biodiversity Heritage Library. License: CC by Attribution-NonCommercial-ShareAlike
Summary:
A pearleye with extremely long black pectoral and pelvic fins, an black internal bar between the anterior anal-fin base and the middle of the back, a bar of internal pigment over the base of the caudal fin, and a dense black peritoneum.
Cite this page as:
Bray, D.J. 2025, Rosenblattichthys alatus in Fishes of Australia, accessed 14 Jul 2026, https://fishesofaustralia.net.au/home/species/2777
Winged Pearleye, Rosenblattichthys alatus (Fourmanoir 1970)
More Info
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Distribution |
East of Tuggerah Lakes to east of Kiama, New South Wales. Elsewhere the species occurs in the Indo-west-central Pacific. |
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Features |
Dorsal fin 8-9; Anal fin 20-22; Pectoral fin 23-26; Lateral-line scales 47-48; Vertebrae 46-47. |
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Biology |
A simultaneous hermaphrodite with individuals having male and female reproductive tissue. |
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Etymology |
The specific name is from the Latin alatus (= winged), in reference to the very long pectoral and pelvic fins of this species. |
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Species Citation |
Benthalbella alatus Fourmanoir 1970, Cahiers O.R.S.T.O.M. Serie Océanographique 8(2): 23, fig. 1. Type locality: western equatorial Pacific, 00°18´S, 169°57´E. |
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Author |
Bray, D.J. 2025 |
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Resources |
Winged Pearleye, Rosenblattichthys alatus (Fourmanoir 1970)
References
Johnson, R.K. 1974. A revision of the alepisauroid family Scopelarchidae (Pisces : Myctophiformes). Fieldiana Zoology 66: 1-249 figs 1-60 https://www.biodiversitylibrary.org/part/78659
Johnson, R.K. 1982. Fishes of the families Evermannellidae and Scopelarchidae: systematics, morphology, interrelationships and zoogeography. Fieldiana Zoology ns 12: 1-252 figs 1-74 https://doi.org/10.5962/bhl.title.5137
Fourmanoir, P. 1970. Notes Ichthyologiques (I). Cahiers O.R.S.T.O.M. Serie Océanographique 8(2): 19-33 figs 1-10
Nakabo, T. (ed.) 2002. Fishes of Japan with pictorial keys to the species. English edition. Tokai University Press. v. 1: i-lxi + 1-866
Russell, B., Holleman, W., Fennessy, S. & Maunde, C. 2020. Rosenblattichthys alatus. The IUCN Red List of Threatened Species 2020: e.T123335557A123335757. https://dx.doi.org/10.2305/IUCN.UK.2020-1.RLTS.T123335557A123335757.en. Accessed on 18 August 2025.
