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Beloniformes (Needle fishes) >
Hemiramphidae (Halfbeaks)
Etymology: Hyporhamphus: Greek, hypo = under + Greek, rhamphos = beak, bill (Ref. 45335).
Eponymy: Yuri Alexandrovich Rudjakov (d: 1938) is a researcher of suprabenthic plankton. He took part in cruises to Nazca and Sala y Gomez ridges, Eastern South Pacific, where this species can be found. (Also see Yuri (Rudjakov)) (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
laut; kisaran kedalaman 0 - ? m. Subtropical
Northwest Pacific: known only from Okinawa and the adjacent island of Ie. Reported from Taiwan (Ref. 5193).
Length at first maturity / Size / Weight / umur
Maturity: Lm ?, range 23 - ? cm
Max length : 25.0 cm SL (female)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 0; duri punggung lunak (Keseluruhan (total)) : 15 - 18; Duri dubur: 0; Sirip dubur lunak: 17 - 19; vertebrata, bertulang belakang: 59 - 61. Upper jaw longer than in Hyporhamphus balinensis and Hyporhamphus affinis, its length almost equal to its width; vertebrae 58 or more; preorbital bone 1.1-1.6 times in diameter of orbit.
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
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)
Status IUCN Red List (Ref. 130435: Version 2024-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trophic level (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).