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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Sardinella: Latin and Greek, sarda = sardine; name related to the island of Sardinia; diminutive (Ref. 45335); alcyone: Name from Greek meaning 'kingfisher', referring to the brilliant blueish dorsum of this species,.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten pelagic-neritic; djupintervall ? - 1 m (Ref. 121926). Subtropical
Northwest Pacific: Japan (Okinawa I., Ryukyu Is.) and Taiwan.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 11.0 cm SL hane/ej könsbestämd; (Ref. 121926)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
This species is distinguished by the following set of characters: lateral body scales with centrally discontinuous vertical striae, and few perforations and pores posteriorly; scale rows in longitudinal series, 38-41 (modally 39); body with deciduous scales; pelvic fin with one unbranched and seven branched rays; gill rakers 99-112 (103) in first gill arch, 34-42 (39) in upper series, 64-72 (67) in lower series; gill rakers 97-115 (101) on second gill arch, 33-40 (35) in upper and 64-76 (74) in lower series; gill rakers 79-98 (84) on third gill arch, 31-38 (33) in upper and 48-60 (57) in lower series; gill rakers 62-77 (68) on fourth gill arch, 24-31 (27) in upper and 37-47 (39) in lower series; gill rakers 25-31 (27) on hind face of third gill arch; scutes on ventral of body 17 or 18 (18) + 12-14 (13) = 30-32 (31); pectoral fin long, 20.7-23.4% SL; pelvic fin long, 11.9-13.1% SL; upper jaw moderately long, 10.8-12.4% SL and also the lower jaw, 11.8-13.4% SL; pre-anal-fin length 77.4-82.3% SL. Colouration: caudal fin with black posterior margin; dorsal-fin origin with a black spot (Ref. 121926).
Cross section: compressed.
Found in coastal shallow waters and estuaries (Ref. 121926).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Hata, H. and H. Motomura, 2019. Sardinella alcyone, n. sp., a new sardine (Teleostei: Clupeiformes: Clupeidae) from the northwestern Pacific Ocean. Zootaxa 4702(1):19-25. (Ref. 121926)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00231 - 0.01307), b=3.05 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
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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