Hymenocephalus megalops, Bigeye whiptail

Hymenocephalus megalops Iwamoto & Merrett, 1997

Bigeye whiptail
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Hymenocephalus megalops   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Macrouridae.

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); megalops: From the Greek megas, great, and ops, eye, in reference to the notably large eyes of the species.
More on authors: Iwamoto & Merrett.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic; depth range 600 - 825 m (Ref. 35908). Deep-water

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Central Pacific: known only from New Caledonia and off Queensland, Australia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 17.0 cm TL male/unsexed; (Ref. 35908)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 2. Gill rakers first arch (outer/inner) 12-19/20-24; barbel short 8-22% HL; orbits large 40-48%; snout usually 23-33%; orb.-preop. 36-7%; dorsolateral stripe on trunk fades out completely on tail.
Body shape (shape guide): elongated.

Biology     Glossary (e.g. epibenthic)

A benthic species found on the continental slope (Ref. 75154).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Iwamoto, Tomio | Collaborators

Iwamoto, T. and N.R. Merrett, 1997. Pisces Gadiformes: Taxonomy of grenadiers of the New Caledonian region, southwest Pacific. Mem. Mus. Natl. Hist. Nat. (176):473-570. (Ref. 35908)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |