Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Hymenocephalus: Named for its transparent membrane-like head covering (‘‘hymen head’’) and fragile nature of head bones (Ref. 100825); semipellucidus: Named in reference to its partially transparent head covering and the translucent caudal region where the vertebra cn be seen in fresh specimens.
More on authors: Sazonov & Iwamoto.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 550 - 800 m (Ref. 9949). Deep-water
Southeast Pacific: known only from the Sala y Gomez Ridge.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.5 cm TL male/unsexed; (Ref. 9949)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Sazonov, Y.I. and T. Iwamoto, 1992. Grenadiers (Pisces, Gadiformes) of the Nazca and Sala y Gomez ridges, southeastern Pacific. Proc. Calif. Acad. Sci. 48(2):27-95. (Ref. 9949)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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