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Hypogaleus hyugaensis (Miyosi, 1939)
PENCIL SHARK
Blacktip Hound Shark; Blacktip Tope; Western School Shark; Galeorhinus zanzibarensis Smith, 1957; Eugaleus hyugaensis Miyosi, 1939

Life   Vertebrata   Fish   Triakidae   Hypogaleus


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Hypogaleus&speciesname=hyugaensis ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Hypogaleus&speciesname=hyugaensis
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https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Hypogaleus&speciesname=hyugaensis ---> https://fishbase.mnhn.fr/summary/Hypogaleus-hyugaensis.html
Hypogaleus hyugaensis, Blacktip tope : fisheries
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Hypogaleus hyugaensis ( Miyosi , 1939 )

Blacktip tope Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Hypogaleus hyugaensis   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Google image Image of Hypogaleus hyugaensis (Blacktip tope) Hypogaleus hyugaensis
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Galeorhininae
Etymology: Hypogaleus: hypo (Gr.), less than, under or beneath, allusion not explained, perhaps alluding to its original position as a subgenus of Galeus . ( See ETYFish ) ;   hyugaensis: -ensis , Latin suffix denoting place: Hyuga Nada, Japan, type locality. ( See ETYFish ) .

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

Marine; demersal; depth range 40 - 230 m (Ref. 244 ). Deep-water; 37°N - 40°S

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

Indo-West Pacific: East Africa and the Persian Gulf to Taiwan and Japan. Reported from Australia (Ref. 6871 ).

Length at first maturity / Size / Weight / Age

Maturity: L m   ? , range 95 - ? cm
Max length : 127 cm TL male/unsexed; (Ref. 244 ); 122.0 cm TL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines : 0; Anal soft rays : 0. Dull grey dorsally, paler below; front part of snout slightly dusky (Ref. 5485 ).

Biology     Glossary (e.g. epibenthic)

Inhabits continental shelves (Ref. 244 ). Feeds on bony fishes and cephalopods (Ref. 6871 ). Viviparous (Ref. 50449 ). Utilized as a food fish (Ref. 244 ).

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

Viviparous (with a yolk-sac placenta), with 10 or 11 young in a litter (Ref. 244 ). Size of full-term fetuses about 33 to 35 cm (Ref. 244 ). Gestation period is estimated at 15 months (Ref. 244 ). Distinct pairing with embrace (Ref. 205 ).

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

Compagno, L.J.V. , 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 17 February 2015

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless (Ref. 13563 )





Human uses

Fisheries: minor commercial FAO - Publication: search | FishSource |

More information

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Tools

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Special reports

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Download XML

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 | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 19.9 - 27.7, mean 23.8 °C (based on 194 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00427 (0.00183 - 0.00992), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  4.2   ±0.7 se; based on diet studies. Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (Fec=10; gestation about 15 months). Fishing Vulnerability (Ref. 59153 ):  Very high vulnerability (76 of 100). Price category (Ref. 80766 ):   High .

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Updated: 2024-04-19 23:47:17 gmt
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