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Hemiramphus lutkei Valenciennes, 1847
Lutke's halfbeak
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Hemiramphus lutkei AquaMaps Data sources: GBIF OBIS |
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Pictures | Google image![Image of Hemiramphus lutkei (Lutke\](/images/thumbnails/jpg/tn_Helut_u1.jpg "Image of Hemiramphus lutkei (Lutke\")
Hemiramphus lutkei
Picture by Randall, J.E.
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Picture by Randall, J.E.
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Beloniformes (Needle fishes) > Hemiramphidae (Halfbeaks)
Etymology: Hemiramphus: Greek, hemi = half + Greek, rhamphos = bill, peak (Ref. 45335).
Eponymy: Count Frédéric Benjamin Lütke (1797–1882) was a Russian (of German descent) explorer and navigator. [...] (Ref. 128868), visit book page.
More on author: Valenciennes.
Etymology: Hemiramphus: Greek, hemi = half + Greek, rhamphos = bill, peak (Ref. 45335).
Eponymy: Count Frédéric Benjamin Lütke (1797–1882) was a Russian (of German descent) explorer and navigator. [...] (Ref. 128868), visit book page.
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; brackish; reef-associated; depth range 0 - ? m. Tropical
Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Pacific Ocean: ranging eastward to the Gilbert Islands and Samoa, north to southern Japan. Confused with Hemiramphus archipelagicus under the name Hemiramphus marginatus by many authors (Ref. 10943).
Length at first maturity / Size / Weight / Age
Maturity: Lm 22.6, range 22 - 23.6 cm
Max length : 40.0 cm SL male/unsexed; (Ref. 54980); common length : 25.0 cm SL male/unsexed; (Ref. 9843)
Max length : 40.0 cm SL male/unsexed; (Ref. 54980); common length : 25.0 cm SL male/unsexed; (Ref. 9843)
Short description Identification keys | Morphology | Morphometrics
Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 15; Anal spines: 0; Anal soft rays: 10 - 13; Vertebrae: 52 - 57. Greatly prolonged, beak-like lower jaw; upper jaw short, triangular and without scales; preorbital ridge absent; total number of gill rakers on first gill arch 33-46; pectoral fins long, reaching beyond anterior margin of nasal pit when folded forward; no spots or vertical bars on sides.
Inhabits coastal waters rich in vegetation (Ref. 5213). Found more offshore than other species of Hemiramphus in the western central Pacific; juveniles and immature individuals are relatively common far from shore, usually among floating plants (Ref. 9843). Caught by set-net.
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)
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
FAO - Publication: search | FishSource |
More information
Trophic ecology
Food items
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Diet composition
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Food rations
Predators
Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Abundance
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
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Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetics
Heterozygosity
Heritability
Genetics
Heterozygosity
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Human related
Aquaculture systems
Aquaculture profiles
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Stamps, coins, misc.
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Tools
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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 | Zoobank | Zoological Record
Estimates based on models
Preferred temperature (Ref. 123201): 24.3 - 29.3, mean 28.4 °C (based on 3275 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00196 - 0.01020), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153): Moderate vulnerability (39 of 100).