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Author: Schneider, 1801

Chauliodus sloani Schneider, 1801

Diagnosis: dorsal fin close to head, its origin over fourth to eighth photophore in lateral series; length from snout to dorsal fin origin 17-28% (usually 21-24%) SL. Colour: irridescent silver-blue. Size: to more than 300 mm SL.

Habitat: deep oceanic waters to more than 1,000 m depth; may migrate to near-surface waters at night; fairly common. Food: midwater fishes and crustaceans. Reproduction: oviparous; spawns year around, with peak in late winter and early spring.

Distribution: northward to 55° N in Atlantic, with records as far north as off Iceland; also, western Mediterranean. Elsewhere, widespread in Atlantic; also Indian and Pacific Oceans.

Eggs, larvaeand young stages. Lo Bianco, 1902: 419-420, 422, 431 | Sanzo, 1914: 1-7 | Sanzo, 1918: 91-97 | Beebe, 1929: 10-12 | Roule & Angel, 1930: 24.
Otoliths (sagitta). No data.

Sloane's viperfish (Chauliodus sloani)