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Hyporhamphus affinis (Günther, 1866)

Tropical halfbeak
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Hyporhamphus affinis   AquaMaps   Data sources: GBIF OBIS
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Image of Hyporhamphus affinis (Tropical halfbeak)
Hyporhamphus affinis
Picture by Randall, J.E.

Maldives country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Museum: BPBM 34948 (13.2 cm SL).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mv.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Randall, J.E. and C. Anderson, 1993
National Database:

Common names from other countries

Demi-bec tropical, Tropical garfish, Insular halfbeak, ... more

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Beloniformes (Needle fishes) > Hemiramphidae (Halfbeaks)
Etymology: Hyporhamphus: Greek, hypo = under + Greek, rhamphos = beak, bill (Ref. 45335).
  More on author: Günther.

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

Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 0 - 6 m (Ref. 86942).   Tropical

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Indo-Pacific: Red Sea and East Africa through the Indian Ocean islands to western Australia, New Guinea, Philippines, and islands of Oceania. Not found in Hawaiian islands, and apparently absent from Indo-Malayan Archipelago. Has been mentioned in the literature under other names, particularly Hyporhamphus erythrorinchus and Hyporhamphus dussumieri (Ref. 10943).

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm ?, range 13 - ? cm
Max length : 38.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 54980)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 14 - 17; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 15 - 19; Σπόνδυλοι: 54 - 59. Body deep blue above, silvery stripe on side, silvery white below; caudal fin bluish, other fins unpigmented; tip and distal half of underside of lower jaw bright carmine red (Ref. 4164).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Found chiefly around coral reefs (Ref. 58534) and islands but extends a little further from shore than Hyporhamphus (R.) dussumieri which has a similar range (Ref. 10943). Found in schools (Ref. 9710). Feeds on zooplankton (Ref. 43448) also small fishes and detritius organic matter (Ref. 89972). Eggs covered with adhesive filaments to assist in attaching to floating and benthic objects (Ref. 43448).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής : Collette, Bruce B. | Συνεργάτες

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. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource | Η θάλασσα γύρω μας

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Διαδικτυακές πηγές

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(Γένος, Είδη) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Εθνικές βάσεις δεδομένων | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Δέντρο Ζωής | Wikipedia(Go, αναζήτηση) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 24.6 - 29.3, mean 28.4 (based on 3280 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00115 - 0.00574), b=3.09 (2.91 - 3.27), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  3.5   ±0.48 se; based on food items.
Ελαστικότητα (Ref. 120179):  Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100).