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Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: tenebrosum: Name 'tenebrosum' from the Latin noun 'tenebrae' and suffix 'ōsum', meaning 'darkness, gloom', in allusion to the powerful toxin released by the new species under stress.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar dasar (demersal). Tropical
South America: Brazil.
Ukuran / Berat / umur
Kematangan: Lm ? range ? - ? cm
Max length : 5.5 cm SL jantan/; (Ref. 137472)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 2; duri punggung lunak (Keseluruhan (total)) : 7 - 9; Sirip dubur lunak: 5 - 6. This species is distinguished by the following set of characters: ventral surface of trunk with small- to relatively large-sized coalescent platelets, forming a typical mosaic-like pattern; small, whitish to brownish yellow or pale yellow/beige blotches on the predorsal portion of body; two or three longitudinal dark brown or black stripes on flanks; fewer pale blotches on the body; large, smoothly arched dark brown or black patch present, extending from the anterior portion of parieto-supraoccipital towards the region of interopercle, transversally crossing the orbit and forming a typical mask-like blotch; mosaic-like pattern of plates entirely or almost entirely covering the ventral surface of trunk (Ref. 137472).
Body shape (shape guide): short and / or deep; Cross section: flattened.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Tencatt, L.F.C., W.M. Ohara, V.D. Carvalho, S. Grant and M. Britto, 2025. Two exquisite new species of Hoplisoma (Siluriformes: Callichthyidae) from the rio Tapajós basin, Brazil, with a discussion on the morphology of the mesethmoid within Corydoradinae. Neotrop. Ichthyol. 23(1):e240100. (Ref. 137472)
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02455 (0.00934 - 0.06448), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.0 ±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).
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