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Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Rhamdia: Brazilian vernacular name, Nhamdia/Jamdia (Ref. 45335); laluchensis: Specific name derived from the type locality, the Sistema de La Lucha.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar dasar (demersal). Tropical
North America: subterranean watercourse in Sistema de La Lucha, Chiapas, Mexico.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 12.0 cm SL jantan/; (Ref. 52912)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Sirip dubur lunak: 13 - 16; vertebrata, bertulang belakang: 43 - 44. Distinguished from other species of Rhamdia by the combination of the following characters: reduced body pigmentation; eyes rudimentary, covered by skin and not visible externally; head length 24.6-27.1% SL; pectoral-fin length 14.4-17.5% SL; maxillary barbel length 39.2-47.3% SL; caudal-peduncle depth 9.3-12.2% SL; pectoral spine serrated on posterior edge only, anterior edge smooth (Ref. 52912).
Body shape (shape guide): elongated.
A troglobitic species (Ref. 52912). Migratory behaviour is undetermined (Ref. 126106).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Weber, A., G. Allegrucci and V. Sbordoni, 2003. Rhamdia laluchensis, a new species of troglobitic catfish (Siluriformes: Pimelodidae) from Chiapas, Mexico. Ichthyol. Explor. Freshwat. 14(3):273-280. (Ref. 52912)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
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=0.00871 (0.00489 - 0.01552), b=2.96 (2.81 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.5 ±0.4 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Moderate vulnerability (40 of 100). 🛈 |