分類 / 名稱
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Teleostei >
Atheriniformes (Silversides)
銀漢魚目 (Silversides) >
Atherinidae (Silversides)
銀漢魚科 (Silversides) > Craterocephalinae
Etymology: Craterocephalus: Greek, krater, -eros = bowl, mixing vessel + Greek, kephale = head (Ref. 45335).
More on author: Whitley.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性; pH range: 7.0 - ? ; dH range: 12 - ?. 熱帶; 25°C - 30°C (Ref. 2060)
Oceania: endemic to Australia.
大洋洲: 澳洲的特有種。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 6.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 44894); common length : 4.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 44894)
Distinguished from all other species of that genus by a combination of the following: greatest body depth 3.1-4.1 (3.8); least body depth 8.0-9.9 (9.2); origin of pectoral to anus 2.8-3.1 (3.0), all in SL. Eye 2.6-3.5 (2.9) in head. Dorsal process of premaxilla 1.4-2.2 (1.8) in eye. Lips in premaxilla 2.6-3.7 (3.1). Predorsal scales 10-12 (10.9). Origin of first dorsal from one scale behind to 2.5 scales in front of tip of pectoral fin (Table 1). Unique in dentition and length of spines in first dorsal fin. Differs osteologically from other members of the genus by a combination of the following: shape of premaxilla and maxilla; lateral ramus of premaxilla with greatly reduced secondary process; shape of nasal bone; and with basibranchial toothplate present. Differs genetically from other species only in allele frequencies at the following loci: FUM, MDH and MPI (Ref. 26703).
Body shape (shape guide): elongated.
與組合的所有其他種那一個屬區分了那在:之後 最大的體高 3.1-4.1;(3.8) 最少的體高 8.0-9.9;(9.2) 對肛門 2.8-3.1(3.0) 的胸鰭的起源, 所有的分之一標準體長。 眼 2.6-3.5(2.9) 頭長比率。 在眼的前頜骨 1.4-2.2(1.8) 的背部突起。 在前頜骨 2.6-3.7 的唇.(3.1) 前背的鱗片 10-12.(10.9) 第一背鰭的起源從一個鱗片在後到 2.5個鱗片在胸鰭頂端 (表 1) 之前. 獨特的在第一背鰭中的生齒與棘的長度中。 不同組合的本屬的骨學與其他成員那在:之後 前頜骨與顎骨的形狀; 前頜骨的側面分支具有大量縮小的第二突起; 鼻骨的形狀; 而且與基鰓骨齒板呈現。 在遺傳基因上不同與其他的種在下列的現場只在等位基因頻率中: FUM ， MDH 與 MPI.(參考文獻 26703)
Occurs in clear, flowing streams, as well as in still water. Found in well-vegetated stream and lake margins. Forms moderate-sized shoals, swimming just below the surface (Ref. 44894). Feeds on insects and their larvae, small crustaceans, snails and some algae. Although attractive, they are delicate and usually difficult to maintain in captivity (Ref. 44894).
出現於清澈又流動的溪流, 以及在靜止的水域中。 吃昆蟲與他們的幼體，小型甲殼動物, 蝸牛與一些藻類。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
大洋洲: 澳洲的特有種。
Crowley, L.E.L.M. and W. Ivantsoff, 1992. Redefinition of the freshwater fish genus Craterocephalus (Teleostei: Atherinidae) of Australia and New Guinea with an analysis of three species. Ichthyol. Explor. Freshwat. 3(3):273-287. (Ref. 26703)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 15 February 2019
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.0 ±0.40 se; based on food items.
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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營養素 (Ref.
124155): Calcium = 328 [126, 752] mg/100g; Iron = 1.54 [0.79, 2.81] mg/100g; Protein = 18.4 [16.1, 20.7] %; Omega3 = 0.358 [0.108, 1.248] g/100g; Selenium = 30.5 [10.6, 85.0] μg/100g; VitaminA = 152 [47, 424] μg/100g; Zinc = 3.54 [2.29, 5.27] mg/100g (wet weight);
