Trichomycterus santanderensis

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Trichomycterus santanderensis Castellanos-Morales, 2007

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Trichomycterus santanderensis
Picture by Castellanos-Morales, C.A.

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> Siluriformes (Catfishes) > Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335);  santanderensis: The specific epithet "santanderensis" refers to the Colombian department (Santander) where the specimens were collected (Ref. 58751).

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch. Tropical; 20°C - 22°C (Ref. 58751); 7°N - 5°N, 73°W - 72°W

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South America: Colombia, Cave El Puente. Cave El Puente is located in the center of a mountain to the west of the Andean mountain range in Colombia and is not registered in the speleological inventory of Santander (Ref. 58751).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 10.1 cm SL mannelijk / geslacht onbekend; (Ref. 58751)

Korte beschrijving Morfologie | Morfometrie

Trichomycterus santanderensis can be distinguished from other species of the genus by the following combination of characters: variable reduction in eyes from visible to imperceptible due to covering by a thick integument; relatively high head (62.5% of HL); enlarged mouth width (49% of HL); extended maxillary, nasal and rictal barbels (113.6%, 106.7% and 75% of HL, respectively); first pectoral ray extending as long filament, about 95% of pectoral-fin length; depth of the caudal peduncle 17.5% SL; caudal fin truncate with a slightly convex edge, upper portion of fin longer than lower portion; color varied from homogeneous light-red pigmentation of adults to pale rose with small grayish round spots on dorsum of young individuals (Ref. 58751).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Troglomorphic species.

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Castellanos-Morales, C.A., 2007. Trichomycterus santanderensis: A new species of troglomorphic catfish (Siluriformes, Trichomycteridae) from Colombia. Zootaxa 1541:49-55. (Ref. 58751)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Ernstig bedreigd (CR) (B2ab(iii)); Date assessed: 27 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00355 - 0.02043), b=2.93 (2.74 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).