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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: adrianae: Named for Adriana Almirón, for her valuable contributions to Neotropical Ichthyology; matronymic in the genitive case.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल पिलाजिक; गहराई सीमा 0 - 1 m (Ref. 132069). Tropical
South America: Argentina.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 5.1 cm SL पुल्लिंग / अलिंग; (Ref. 132069); 3.4 cm SL (female)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 17 - 24; ऐनल सौफट रेज़: 18 - 22; जानवरों की रीड़ का जोड़: 28. This species is distinguished from other congeners by its unique coloration: distinct dark grey to black anterior third portion (about to the 7th or 8th rays) of the dorsal fin in adult males (vs. black portion reduced to first to third anterior dorsal fin rays); absence of iridescent spots on basal half of pectoral fin in adult males (vs. present in Argolebias nigripinnis and Argolebias guarani); anterocentral portion of flanks in females have dark grey spots (vs.none in Argolebias nigripinnis and Argolebias paranaensis) (Ref.132069).
Cross section: compressed.
The pond where sample species were collected has a surface area of approximately 4 × 6 m and a maximum depth of 45 cm and this is surrounded by emerging basalt stones and completely covered by aerial vegetation from the surrounding jungle. In six different occasions, when the pond was dry, the soil was covered by a layer of leaf litter, trunks, branches, and some terrestrial vascular plants. Beneath this layer, the soil appeared to be composed of clay mixed with decomposing plant debris, with the soil consistently moist, and no dry portions. In seven different occasions, when the pond contained water, it was generally clear to tea-colored, sometimes slightly muddy in the deeper portions. there were no aquatic plants present in the pond, but surrounding vegetation was partially submerged during periods of maximum water level. The pond apparently overflows to surrounding areas when precipitation fills it and although the temporary wetland can intermittently extend to nearby areas of the jungle during these times, these areas are not very deep and appear to be more ephemeral. Collection was done in the deepest part of this environment (Ref. 132069).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Alonso, F., G.E. Terán, P. Calviño, W.S. Serra, M.M. Montes, I.D. García, J.A. Barneche, L. Ciotek, P. Giorgis and J. Casciotta, 2024. Expect the unexpected: a new species of killifish from a highly stochastic temporary wetland near Iguazú Falls (Cyprinodontiformes: Rivulidae). Can. J. Zool. 102(3):298-314. (Ref. 132069)
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 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00370 - 0.01485), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ट्रॉफिक स्तर (संदर्भ
69278): 3.2 ±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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