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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Transancistrus: Derived from the Latin word 'trans', meaning across, over, or on the other side of, in reference to the distribution of this genus across rivers draining the Pacific slope of the Andes Mountains in Ecuador, and 'ancistrus', a root name for many Hypostominae genera having clusters of enlarged evertible cheek odontodes; santarosensis: Named for its type locality, the Rio Santa Rosa (Ref. 89823).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
South America: Known only from the type locality, the Río Santa Rosa (Gulf of Guayaquil drainage) near the southern coast of Ecuador.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 7.7 cm SL hane/ej könsbestämd; (Ref. 104644)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 2; Mjukstrålar i ryggfenan (totalt) : 8 - 9; Mjukstrålar i analfenan: 6. Can be diagnosed from all other members of the Chaetostoma group by having plates on the tip of the snout (except for a central region at the extreme anterior edge), but lacking plates laterally on the head (Ref. 89823).
Body shape (shape guide): elongated.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Lujan, N.K., V. Meza-Vargas and R. Barriga-Salazar, 2015. Two new Chaetostoma group (Loricariidae: Hypostominae) sister genera from opposite sides of the Andes Mountains in Ecuador, with description of one new species. Copeia 103(3):651-663. (Ref. 104644)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01549 (0.00729 - 0.03291), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |