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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.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; गहराई सीमा 0 - 1 m (Ref. 57741). Subtropical
Asia: Iran.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 4.3 cm TL पुल्लिंग / अलिंग; (Ref. 94835); 3.8 cm SL (female)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 10 - 13; ऐनल सौफट रेज़: 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).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
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)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
XML डाउनलोड करें
इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00688 - 0.01208), b=3.22 (3.18 - 3.26), in cm total length, based on LWR estimates for this species (Ref.
93245).
ट्रॉफिक स्तर (संदर्भ
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
मछली पकड़ने की भेद्यता (Ref.
59153): Low vulnerability (10 of 100).
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