分類 / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Sicydiinae
Etymology: Stiphodon: Greek, stiphos, -eos, -oys = mass + Greek, odous = teeth (Ref. 45335); alcedo: Named from the Latin alcedo, meaning kingfisher, as the metallic turquoise on the head and body and the orange around the belly of the nuptial coloured male is similar to the plumage of the kingfisher, Alcedo atthis. A noun in apposition.
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の; 両側回遊性 (Ref. 131349). Subtropical
Asia: Okinawa Island and Iriomote Island of the Ryukyu Archipelago, Japan.
Length at first maturity / サイズ / 重さ / 年齢
成熟: Lm 2.9, range 3 - 3 cm
Max length : 4.3 cm SL オス/雌雄の選別がない; (Ref. 90212); 4.8 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 7; 背鰭 (合計) : 9 - 10; 肛門の骨: 1; 臀鰭: 10; 脊つい: 25 - 27. Distinguished from its congeners by having the following characters: dorsal fins, usually VI-I, 9, male having pointed, but not filamentous, first dorsal fin with elongate spines 4 and 5, posterior tip of fin usually extending to base of soft-rays 2-5 of second dorsal fin; pectoral fin with 15-17 (mode 16) rays; 32-40 premaxillary teeth; dentary with 32-45 horizontal teeth; female with two black longitudinal bands laterally on body arranged with a larger interval between two bands; lower band composed of 8-11 regular blotches, upper band thin and pale; all fins of female usually with faint markings; non-nuptial colored male having a dark brown longitudinal band just below lateral midline; nuptial colored male lacking this band, and having blackish or sometimes orange body, metallic turquoise laterally on head, metallic turquoise spot on upper pectoral-fin base when alive; and male often with 1-6 somewhat obscure black spots on pectoral-fin rays (Ref. 90212).
Body shape (shape guide): elongated.
Adults and juveniles inhabit freshwater streams, usually in pools. Often form shoals with conspecific individuals and the congeners Stiphodon percnopterygionus and Stiphodon atropurpureus, and occasionally with Stiphodon imperiorientis.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Maeda, K., T. Mukai and K. Tachinara, 2011. A new species of amphidromous goby, Stiphodon alcedo, from the Ryukyu Archipelago (Gobiidae: Sicydiinae). Cybium 35(4):285-298. (Ref. 90212)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
Human uses
水産業: 興味がない
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
回復力 (参照
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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