Stolephorus zephyrus, Zephyr anchovy

Stolephorus zephyrus Hata, Lavoué & Motomura, 2021

Zephyr anchovy
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Clupeiformes (Herrings) > Engraulidae (Anchovies) > Engraulinae
Etymology: Stolephorus: Greek, stole, -es = garment + Greek, pherein = to carry (Ref. 45335);  zephyrus: The specific name "zephyrus" refers to the name of the Greek god of the west wind, in reference to the western distribution of the species, relative to that of Stolephorus mercurius and S. rex, with which it has previously been confused (Ref. 123745).

Environment: milieu / climate zone / depth range / distribution range 生態学

; 海; 汽水性の 外洋の.   Tropical

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Indian Ocean: along the eastern coast of Africa from Kenya to Tanzania, the Mayotte Islands, and Madagascar (Ref. 123745).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 93.8 cm SL オス/雌雄の選別がない; (Ref. 123745)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0; 背鰭 (合計): 15-17; 肛門の骨 0; 臀鰭: 20 - 22; 脊つい: 39 - 40. Diagnosis: A species of Stolephorus with following combination of characters: gill rakers 16-20 in upper series of first gill arch, 22-26 in lower series, 39-46 in total; gill rakers 12-14 in upper series of second gill arch, 21-26 in lower series, 33-40 in total; gill rakers 9-12 in upper series on third gill arch, 11-15 in lower series, 23-26 in total; gill rakers 7-9 in upper series on fourth gill arch, 10-12 in lower series, 17-20 in total; gill rakers 3-6 on hind face of third gill arch; prepelvic scutes 3-5, lacking spines; transverse scales 8; vertebrae 20 + 19-20 = 39-40; maxilla rather long, posterior tip just reaching, or slightly beyond, posterior margin of preopercle, slightly beyond anterior margin in individuals smaller than 40 mm standard length, 16.7-20.4% of standard length, 64.4-83.3% of head length; caudal peduncle short, 15.4-18.2% of standard length; no predorsal scutes; pelvic scute without spine; posterior border of preopercle convex, rounded; two pairs of dark patches on parietal and occipital regions without a following pair of dark lines; no black spots below eye and lower-jaw tip (Ref. 123745). Stolephorus zephyrus is easily distinguished from all other congeners, except for S. insignus, by a rather long maxilla extending posteriorly to, or slightly beyond, the posterior margin of the preopercle, the pelvic fin posteriorly reaching to vertical through the dorsal fin when depressed, no spines on dorsal-fin origin and pelvic scute, a convexly rounded posterior preopercle margin, no black spots on the suborbital area and lower-jaw tip; distinct paired dark patches on the parietal and occipital regions without following paired lines, and fewer than 27 lower gill rakers on the first gill arch (Ref. 123745). It can be distinguished from S. insignus by lower gill-raker numbers on the first gill arch, 16-20 + 22-26 = 39-46 in S. zephyrus vs. 19-21 + 26-28 = 46-49 in S. insignus; and a shorter caudal peduncle, 15.4-18.2% of standard length vs. 18.4-19.8% (Ref. 123745). Stolephorus zephyrus is easily distinguished from S. mercurius and S. rex due to the lack of paired pigmented lines on the dorsum of the former from the occipital region to the dorsal-fin origin; it further differs from S. mercurius in having a more slender body, body depth 19.5-24.6% of standard length in S. zephyrus larger than 40 mm standard length vs. 18.0-20.8 in S. mercurius, and lower gill-raker numbers on the first gill arch, 16-20 + 22-26 = 39-46 vs. 18-22 + 24-28 = 44-49 in S. mercurius; and from S. rex in having a shorter head, 23.9-27.5% of standard length in S. zephyrus vs. 24.3-27.6% in S. rex (Ref. 123745).

生物学     用語集 (例 epibenthic)

Found in estuarine waters and mangrove lagoons and collected abundantly during northeast monsoon seasons (Ref. 123745).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Hata, H., S. Lavoué and H. Motomura, 2021. Taxonomic status of nominal species of the anchovy genus Stolephorus previously regarded as synonyms of Stolephorus commersonnii Lacepède 1803 and Stolephorus indicus (van Hasselt 1823), and descriptions of three new species (Clupeiformes: Engraulidae). Ichthyol. Res. (Ref. 123745)

IUCNのレッドリストの状況は (Ref. 123251)


CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
栄養段階 (Ref. 69278):  3.6   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低い, 4.5年~14年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
弱み (Ref. 59153):  Moderate to high vulnerability (55 of 100) .