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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
North America: subterranean watercourse in Sistema de La Lucha, Chiapas, Mexico.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 12.0 cm SL hane/ej könsbestämd; (Ref. 52912)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i analfenan: 13 - 16; Ryggkotor: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (40 of 100). 🛈 |