Author: (Lükten, 1892)
Loweina rara (Lükten, 1892)
Status in World Register of Marine Species:
Accepted name: Loweina rara (Lütken, 1892) (updated 2009-06-25)
Diagnosis: dorsal finrays 12 (11); anal finrays 16 (15); pectoral finrays, 11 (10). Gillrakers 2 + 1 + 6 (5), total 9 (8). AO 6 + 6 (5-7), total 12 (11-13). Males with single large supra-caudal gland; females without caudal glands. Size: to 45 mm.
Habitat: high-oceanic, mesopelagic: day at 550 m to greater than 1,000 m; nyctoepipelagic in the upper few metres (but not at the surface) and down to 200 m. Food: no data. Reproduction: supra-caudal glands develop in males soon after metamorphosis; sexually mature from about 28 mm.
Distribution: uncommon, but not as rare as L. interrupta. Atlantic: broadly tropical pattern (holo-eurytropical subpattern), between about 46° N and 26° S. Elsewhere: Indian Ocean (between about 10° and 22° S) and Pacific (central water masses of northern and southern hemispheres and in eastern tropical region).
Eggs, larvae and young stages. Taning, 1932: pl. 115 | Moser and Ahlström, 1970: 87-94, fig. 26-28.
Otoliths (sagitta). Kotthaus, 1972a: 12, 26, fig. 63.