分類 / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Aphaniidae (Oriental killifishes)
Etymology: Esmaeilius: Named for Hamid Reza Esmaeili (Shiraz) for his extensive contribution to the understanding of diversity within this genus; isfahanensis: Named for the province and its capital city, Isfahan, central Iran.
Eponymy: Dr Hamid Reza Esmaeili is an Iranian biologist and ichthyologist at Shiraz University, Shiraz where he is full Professor of Ichthyology. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の漂泳性; 深さの範囲 0 - 1 m (Ref. 57741). Subtropical
Asia: Iran.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 4.3 cm TL オス/雌雄の選別がない; (Ref. 94835); 3.8 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10 - 13; 臀鰭: 10 - 12. This species is clearly distinguished at the genetic level from its congeners in having 82 molecular apomorphies-19 transversions, 2 transversions/transitions (depending on comparison), and 61 transitions - that show fixed character state differences to homologous characters analyzed in sophiae, persicus and vladykovi from Iran. Thirty-seven of these character states are also apomorphies when compared to anatoliae, danfordii, villwocki, asquamatus and fasciatus from Turkey (see www.cyprinodontiformes.org).
Males can be distinguished from all other Iranian species by having distinct black edge on the dorsal, anal, and pelvic fins; the dorsal fin is covered with a high density of black blotches (also observed in males of Aphanius anatoliae from Turkey).
Females can be distinguished from those of sophiae and vladykovi by having flank-bars rather than spots; from persicus by less well-defined bars terminating at a mid-flank stripe and a relatively light gray stripe at the caudal-fin base rather than a black spot or blotch. However, flank-bars are also characteristic of females of dispar and fasciatus. Aphanius isfahanensis can be distinguished unambiguously only from vladykovi by a lower lateral-line scale count, but not with any morphometric or meristic character from sophiae or persicus (Ref. 57741).
Body shape (shape guide): fusiform / normal.
Collected from the lower reaches of the Zayanadeh River, 50 m width and 0.5 m depth, where water temperature is 27°C, pH 6.7, brackish water, conductivity 10.9 mS, dissolved solids 5450 ppm, dissolved oxygen 12.3 mg/L; current is slow and no cover (Ref. 57741).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Hrbek, T., Y. Keivany and B.W. Coad, 2006. New species of Aphanius (Teleostei, Cyprinodontidae) from Isfahan Province of Iran and a reanalysis of other Iranian species. Copeia 2006(2):244-255. (Ref. 57741)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
Human uses
用具
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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 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00692 - 0.01202), b=3.23 (3.19 - 3.27), in cm total length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (参照
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
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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