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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: terena: Name 'terena' from the ethnic group in the type locality of the species, Terena.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Tropical
South America: Brazil.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 2.8 cm SL jantan/; (Ref. 133473)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 9 - 10; Sirip dubur lunak: 14 - 16; vertebrata, bertulang belakang: 30 - 31. This species is distinguished by the following set of characters: distal margin of the unpaired fins and pelvic-fin orangish-red in males; distinctive dark marks on the humeral region absent; scales in the transversal series 10-11; pectoral fin rays 13; pelvic-fin length 10.3-11.6% SL; head length 27.8-30.5% SL; head width in females 75.0-80.6%; caudal-fin length in males 29.9-33.6% and 30.6-32.1% SL in females; red oblique bars in the caudal fin in males present; eye diameter 28.8-32.3% HL; body depth 22.0-23.1% SL; pre-pelvic length 52.8-55.7% SL (Ref. 133473).
Body shape (shape guide): elongated; Cross section: oval.
The species inhabits stream bank and adjacent shallow pools, with clear, still water, over muddy and clay substrates. It is present in both sunlit areas and those shaded by vegetation, particularly by buriti palms (Mauritia flexuosa) (Ref. 133473).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Volcan, M.V., F. Severo-Neto and L.E.K. Lanés, 2024. A new species of Melanorivulus (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00661 (0.00312 - 0.01398), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |