Teleostei (teleosts) >
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,.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; pelagic-neritic; depth range ? - 1 m (Ref. 121926). Subtropical
Northwest Pacific: Japan (Okinawa I., Ryukyu Is.) and Taiwan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.0 cm SL male/unsexed; (Ref. 121926)
Short description
Identification keys | Morphology | Morphometrics
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).
Found in coastal shallow waters and estuaries (Ref. 121926).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 2.9 ±0.3 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): Low vulnerability (10 of 100).
