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Escal appendage pattern B; esca with a stout internally pigmented anterior appendage, shorter than escal bulb in smaller specimens (33 mm) to more than three times length of escal bulb in largest known specimen (128 mm), and bearing a large compressed distal papilla, closely associated with one to several smaller papillae on posterior margin and usually two on anterior margin; papillae of anterior appendage darkly pigmented in most specimens approximately 40 mm and larger; medial escal appendages absent; a truncated or conical terminal escal papilla with a distal streak of pigment; an unpigmented, unbranched tapering posterior escal appendage, less than length of escal bulb in smaller specimens (69 mm) to more than twice length of escal bulb in largest known specimen (128 mm); lateral and anterolateral escal appendages absent.

Subopercle with posterodorsal margin indented to deeply notched; length of ventral fork of opercle 30.5–37.3% SL; ratio of lengths of dorsal and ventral forks of opercle 0.42–0.54.

Epibranchial teeth absent; teeth present on pharyngobranchial II, total number of teeth in upper jaw 19–42, in lower jaw 18–36; number of teeth on vomer 4–9; dorsal-fin rays 5 or 6; anal-fin rays 4; pectoral-fin rays 14–17.

Measurements in percent of standard length: head length 37.7–48.6; head depth 39.1–54.1; premaxilla length 28.4–34.1; lower jaw length 41.3–54.1; illicium length 23.9–39.0.0.


Creative Commons Attribution 3.0 (CC BY 3.0)

© Kenaley, Christopher

Source: Deep-sea Fishes of the World

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