Teleostei (teleosts) >
Alepocephaliformes (Slickheads and tubeshoulders) >
Alepocephalidae (Slickheads)
Etymology: Aulastomatomorpha: Greek, aulos = flute + Greek, stoma = mouth + Greek, morphe = shape (Ref. 45335).
More on author: Alcock.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 1717 - 2020 m (Ref. 40779). Deep-water
Indo-West Pacific: Gulf of Oman, Arabian Sea, Bay of Bengal, and Coral Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm SL male/unsexed; (Ref. 40779); 20.4 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 21; Anal soft rays: 33 - 41; Vertebrae: 52. Head naked, covered with soft, tough skin. Cephalic lateralis system with 5 pores each in the supraorbital, preopercular, and mandibular series and 4 in posttemporal series. No trace of supratemporal commissure. Two pores joined by a short, dark canal on lachrymal on each side of snout above the maxillae. Snout elongate with upper jaw shorter than the lower jaw. Head narrow. Body with small, barely or non-imbricate scale pockets. Branchiostegal rays 5 (?). Pyloric caeca 4 (Ref. 40779).
Body shape (shape guide): elongated; Cross section: compressed.
Found on the continental slope (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Markle, D.F. and Y.I. Sazonov, 1996. Review of the rare deep-sea genus, Aulastomatomorpha (Teleostei: Salmoniformes), with a discussion of relationships. Copeia 1996(2):497-500. (Ref. 40779)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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