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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Microcambevinae
Etymology: Listrura: Greek, listroo = to tie + Greek, oura = tail (Ref. 45335); gyrinura: Name gyrinura from the Greek words 'gyrinus' and 'ura', meaning 'tadpole' and 'tail', in reference to the tadpole-like caudal fin and caudal peduncle shape of the new species.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. Subtropical
South America: Brazil.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 4.2 cm SL पुल्लिंग / अलिंग; (Ref. 137686)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 6 - 8; ऐनल सौफट रेज़: 8; जानवरों की रीड़ का जोड़: 51 - 52. This species is distinguished from its congeners by the following set of characters: deep caudal peduncle, deeper than the preanal region of the body, as the result of an expanded skin fold involving procurrent caudal-fin rays; vertebrae 51 or 52; process on the dorsal surface of the autopalatine articular facet for the mesethmoid absent; mesethmoid cornu being slightly posteriorly folded; dorsal fin present; dorsal-fin origin at a vertical between the centra of the 31st to 33rd vertebrae, anal-fin origin at a vertical between the centra of the 32nd and 33rd vertebrae; ventral projection on the hyomandibula articular facet for the opercle absent; parhypural posterior process length about half or slightly less of the length between the anterior margin of the parurohyal head and the proximal limit of the posterior process; ventral procurrent caudal-fin rays 31-36 (Ref. 137686).
Body shape (shape guide): elongated; Cross section: circular.
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Costa, W.J.E.M., C.R.M Feltrin, A.M. Katz, 2023. Field studies in small streams of the Atlantic Forest of southern subtropical Brazil reveal two new interstitial microcambevine catfishes of the genus Listrura (Siluriformes: Trichomycteridae). J. Nat. Hist. 57(9-12):475-489. (Ref. 137686)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
मात्स्यिकी: कोई रुचि बग़ैर
साधन
विशेष रिपोर्ट
XML डाउनलोड करें
इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ
82804): PD
50 = 0.5005 [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).
ट्रॉफिक स्तर (संदर्भ
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
मछली पकड़ने की भेद्यता (Ref.
59153): Low vulnerability (10 of 100).
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