Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-neritic; djupintervall 0 - 50 m (Ref. 189). Tropical; 2°S - 20°S, 174°E - 171°W (Ref. 189)
Central Pacific: Fiji and Samoa.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 7.5 cm SL hane/ej könsbestämd; (Ref. 128118)
This species is distinguished by the following characters: gill rakers on first gill arch, upper series 20-24 (modally 21), lower series 27-30 (29), total 48-53 (50); gill rakers on second gill arch upper series 14-17 (15), lower series 25-30 (26), total 40-47 (41); gill rakers on third gill arch, upper series 11-13 (12), lower series 13-16 (15), total 24-29 (26); gill rakers on fourth gill arch, upper series 8-10 (8), lower series 10-13 (12), total 19-22 (20); prepelvic scutes 2-5 (4); upper jaw long, its posterior tip slightly short of or just reaching to posterior border of preopercle; predorsal scutes absent; pelvic scute no spine; posterior border of preopercle convex, rounded; parietal and occipital regions with obscure paired dark patches, without following dark lines; no black spots below eye and lower-jaw tip; body relatively elongate, its depth 17.0-20.0% of SL (mean 18.7%); anal-fn base long, its length 20.2-23.3% of SL (21.2%); caudal peduncle relatively short, its length 14.4-18.3% of SL (16.4%); posterior tip of pelvic fin reaching to the second–fifth dorsal-fin ray origin (Ref. 128118).
Body shape (shape guide): elongated; Cross section: compressed.
A schooling species in shallow coastal waters. Used as bait in the tuna fishery in the South Pacific, although rare in bait catches in Fiji and Samoa.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Hata, H. and H. Motomura, 2018. Stolephorus insignus, a new anchovy from the western Pacifc, and redescription of Stolephorus apiensis (Jordan and Seale 1906) (Clupeiformes: Engraulidae). Ichthyol. Res.1-9. (Ref. 128118)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; bete: usually
Verktyg
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 27 - 27.7, mean 27.2 °C (based on 8 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00217 - 0.01155), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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