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Hymenocephalus striatulus Gilbert, 1905
Life   Vertebrata   Fish   Macrouridae   Hymenocephalus


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Hymenocephalus striatulus
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Hymenocephalus striatulus Gilbert , 1905

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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Hymenocephalus striatulus   AquaMaps   Data sources: GBIF OBIS
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Google image Image of Hymenocephalus striatulus No image available for this species;
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 ) .
More on author: Gilbert .

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

Marine; benthopelagic; depth range 101 - 800 m (Ref. 58302 ). Deep-water

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

Eastern Central Pacific: known only from the Hawaiian Islands and Sala y Gomez Ridge.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 9949 )

Short description Morphology | Morphometrics

This species is distinguished by the following characters: pelvic fin rays 14-15; pectoral fin rays 15-18; projecting snout, 20-25% HL; rudimentary or very short barbel, 0-3% HL, does not reach vertical through anterior margin of orbit; moderate orbit diameter, 32-39% HL (usually 33-38%HL); infraorbital width 10-12% HL; moderately long preopercular supporter, with obtuse angle at rear margin, 3-4% HL; 25-29 gill rakers; ventral striae reaching to ½ from pelvic fin bases to periproct; otolith has moderately high predorsal lobe, with colliculi separated, closely placed across collum, terminating far from anterior and posterior rims of otolith; otolith length to height (OL:OH), 0.9-1.0; total colliculum length to pseudocolliculum length (TCL:PCL), 1.7-2.0 (Ref. 98298 ).

Biology     Glossary (e.g. epibenthic)

Benthopelagic (Ref. 58302 ). Feeds mainly on pelagic organisms, copepods ( Pleuromamma sp., Oncaea conifera , Xanthocalanus sp., Aetideidae spp.); also on small fish, chaetognaths, gammarids (Lysianassidae), shrimp ( Bentheogennema pasithea ), and mysids ( Paralophogaster glaber ); benthic polychaetes, including family Polinoidae (Ref. 9949 ).

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

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

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 )

    Not Evaluated  

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

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Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 5 - 15.2, mean 7.3 °C (based on 11 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00219 (0.00111 - 0.00431), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.3   ±0.38 se; based on food items. Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100).

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Updated: 2024-03-29 05:13:45 gmt
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