Lagiacrusichthys macropinna (Bussing & Bussing 1966)

Illustration of Lagiacrusichthys macropinna. Source: Bussing & Bussing 1996 Bull. Southern Calif. Acad. Sci. 65(1): Fig 1 / Biodiversity Heritage Library. License: CC By Attribution

A pearleye with a very long anal fin (with 35-39 anal-fin rays), and a small dorsal fin about the same size as the adipose fin with 5-6 rays.
Until the genus Lagiacrusichthys was described, this species was known as Benthalbella macropinna.

Cite this page as:
Dianne J. Bray, Lagiacrusichthys macropinna in Fishes of Australia, accessed 01 Dec 2021,

Lagiacrusichthys macropinna (Bussing & Bussing 1966)

More Info


Found in Australia's subantarctic and Antarctic waters. The species is cosmopolitan in the Southern Ocean. Inhabits deep-sea open oceanic environments (meso-bathypelagic) at depths of 610–2750 m.


Lagiacrusichthys is named for a wyvern, a dragon-like creature from mythology, specifically the sea-wyvern Lagiacrus, known for his fierceness and for inhabiting the deep.

Species Citation

Benthalbella macropinna Bussing & Bussing, 1966, Bull. So. Calif. Acad. Sci. 65(1): 53, Fig. 1. Type locality: Scotia Sea, 56°17'S, 58°09'W, Eltanin station 359, depth 0-840 m over 3960-3990 m.


Dianne J. Bray

Lagiacrusichthys macropinna (Bussing & Bussing 1966)


Davis, M.P. 2015. Evolutionary relationships of the deep-sea pearleyes (Aulopiformes: Scopelarchidae) and a new genus of pearleye from Antarctic waters. Copeia 2015(1): 64-71. (as Lagiacrusichthys macropinnis)

Johnson, R.K. 1974. A revision of the alepisauroid family Scopelarchidae (Pisces : Myctophiformes). Fieldiana Zoology 66: 1-249 (as Benthalbella macropinna)

Johnson, R.K. 1982. Fishes of the families Evermannellidae and Scopelarchidae: systematics, morphology, interrelationships and zoogeography. Fieldiana Zoology ns 12: 1-252 (as Benthalbella macropinna)

Johnson, R.K. 1986. Family No. 77: Scopelarchidae. pp. 265-267 in Smith, M.M. & Heemstra, P.C. (eds). Smith's Sea Fishes. Johannesburg : Macmillan South Africa xx + 1047 pp. 144 pls. (as Benthalbella macropinna)

Post, A. 1990. Scopelarchidae. pp. 134-135 in Gon, O. & Heemstra, P.C. (eds). Fishes of the Southern Ocean. Grahamstown : J.L.B. Smith Institute of Ichthyology 462 pp. (as Benthalbella macropinna)

Quick Facts

CAAB Code:37131751

Biology:Bioluminescent; simultaneous hermaphrodite

Depth:610-2750 m

Habitat:Oceanic, mesopelagic, bathypelagic

Max Size:24 cm SL

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CAAB distribution map