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Hyporhamphus affinis  (Günther, 1866)

Tropical halfbeak
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Native range | All suitable habitat | Point map | Year 2100
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Hyporhamphus affinis   AquaMaps   Data sources: GBIF OBIS
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Image of Hyporhamphus affinis (Tropical halfbeak)
Hyporhamphus affinis
Picture by Randall, J.E.


Philippines country information

Common names: Bagiu, Balamban, Balanban
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Sibuyan, Romblon (Ref. 58652). Also Ref. 4164.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Broad, G., 2003
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Beloniformes (Needle fishes) > Hemiramphidae (Halfbeaks)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 38.0 cm SL male/unsexed; (Ref. 54980)

Length at first maturity
Lm ?, range 13 - ? cm

Environment

Marine; reef-associated; depth range 0 - 6 m (Ref. 86942)

Climate / Range

Tropical, preferred ?

Distribution

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).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 14-17; Anal spines: 0; Anal soft rays: 15 - 19; Vertebrae: 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).

Biology     Glossary (e.g. 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).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

More information

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Eggs
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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.5   ±0.48 se; Based on food items.

Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Vulnerability (Ref. 59153)
Low to moderate vulnerability (29 of 100)
Price category (Ref. 80766)
Unknown