Teleostei >
Clupeiformes (Herrings)
鯡形目 (Herrings) >
Engraulidae (Anchovies)
鯷科 (Anchovies) > Engraulinae
Etymology: Stolephorus: Greek, stole, -es = garment + Greek, pherein = to carry (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 半鹹淡水; 海洋洄游的 (Ref. 51243); 深度上下限 0 - 50 m (Ref. 189). 亞熱帶的; 24°S - 40°S, 21°E - 37°E (Ref. 189)
Indian Ocean: Southwestern Indian Ocean, from northern Mozambique south to Port Elizabeth in South Africa (Ref. 189, 5430), including estuaries of Zwartkops River (Ref. 189, 5430), Kei River (Ref. 189) and Umtata River (Ref. 81587).
西印度洋: 莫三比克北部南至南非的伊莉莎白港。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 189)
背棘 (總數) : 0; 背的軟條 (總數) : 15 - 17; 臀棘: 0; 臀鰭軟條: 20 - 23. Diagnosis: Body somewhat compressed, belly with 6-8 small needle-like pre-pelvic scutes, no post-pelvic scutes; maxilla tip pointed, reaching to or beyond hind border of pre-operculum, the latter concave, indented near maxilla tip; lower gillrakers 24-29; anal fin short, usually with 3 unbranched and 17-20 branched finrays, its origin below about middle of dorsal fin base (Ref. 189, 5430). Of similar species in its distribution area, Stolephorus indicus is round-bodied and has a shorter maxilla, not to hind border of pre-operculum; and Encrasicholina punctifer has the anal fin origin behind the dorsal fin base (Ref. 189).
腹面有 6 到 8個小的針狀前腹鰭鱗甲。 顎骨頂端尖的, 延伸到或超過前鰓蓋的後部邊緣, 後者凹的, 在顎骨頂端的附近切割成鋸齒狀。 臀鰭短, 起點背鰭基底的大約中央下面。
A coastal, pelagic and schooling species; its presence in estuaries suggests that it can tolerate brackish water (Ref. 189). It is common along shore and in estuaries (Ref. 5430). It feeds on plankton, mainly copepods (Ref. 58304). It spawns in summer, usually at sea (Ref. 58304).
一個群游性魚種發現於沿岸水域了。 記錄從河口 Swartskops 與 Kei 河顯示出它能容忍半淡鹹水。 需要更多的資料。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西印度洋: 莫三比克北部南至南非的伊莉莎白港。
Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (Suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/2):305-579. Rome: FAO. (Ref. 189)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 28 February 2017
人類使用
漁業: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 21.2 - 24.9, mean 24.3 °C (based on 12 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00394 - 0.01332), b=3.19 (3.04 - 3.34), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
