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Hyporhamphus sajori  (Temminck & Schlegel, 1846)

Japanese halfbeak
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Image of Hyporhamphus sajori (Japanese halfbeak)
Hyporhamphus sajori
Picture by Miyahara, H.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Beloniformes (Needle fishes) > Hemiramphidae (Halfbeaks)
Etymology: Hyporhamphus: Greek, hypo = under + Greek, rhamphos = beak, bill (Ref. 45335).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; pelagic-neritic; amphidromous; depth range 30 - ? m (Ref. 10943).   Temperate; 34°N - 17°S

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

Northwest Pacific: Yellow Sea, Pohai Sea, Japan Sea, and the Pacific coast of Japan, extending north to Sakhalin and to Preobrazheniye Bight and Vladivostok in the Gulf of Peter the Great. Recorded from the lower part of the Yangtze River in China. Occurrence of this species south to the Ryukyu Islands and Taiwan needs verification.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 17 - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 637)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 14-18; Anal spines: 0; Anal soft rays: 15 - 18; Vertebrae: 59 - 63. Anterior branch of its preorbital canal curved forward at an angle of about 90°. Predorsal scales 66-81; vertebrae 59-63; pectoral fin rays 12-14, usually 13. Lower jaw shorter than head length.

Biology     Glossary (e.g. epibenthic)

Common in inshore waters. Occurs in the lower part of the Yangtze River in China (Ref. 10943). Forms small schools and feed mainly on zooplankton. Meat delicious. Also caught with dip nets. Used in Chinese medicine (Ref. 12166).

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

Main reference Upload your references | References | Coordinator : Collette, Bruce B. | Collaborators

Collette, B.B. and J. Su, 1986. The halfbeaks (Pisces, Beloniformes, Hemiramphidae) of the Far East. Proc. Acad. Nat. Sci. Philadelphia 138(1):250-301. (Ref. 10943)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

More information

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Ecology
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Spawning
Fecundity
Eggs
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Age/Size
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Length-weight
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Morphometrics
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Ciguatera
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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00170 (0.00096 - 0.00301), b=3.12 (2.96 - 3.28), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.45 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2).
Vulnerability (Ref. 59153):  Low vulnerability (24 of 100) .
Price category (Ref. 80766):   Low.