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> Siluriformes (Catfishes) > Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); ramosus: From the branched nasal and maxillary barbels..

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

; süßwasser benthopelagisch. Tropical

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South America: Laguna Blanca basin in Argentina.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 6.7 cm SL Männchen/unbestimmt; (Ref. 45128)

Kurzbeschreibung Morphologie | Morphometrie

Wirbelzahl: 38 - 39. Body dark brown, covered with minute papillae. Some or all barbels distally branched one or more times, retaining a constant width along its length. Oval premaxilla shorter than maxilla. Teeth arranged in 2 rows. Pectoral fin rounded. Dorsal fin with 3-4 procurrent and 6-7 principal rays. Anal fin with 3 procurrent and 8-9 principal rays. Caudal fin truncate with 9-12 dorsal procurrent, 13 principal and 10-11 ventral procurrent rays (Ref. 45128).

Collected from a pre-andean stream of clear water, with shallow, sandy bottom, and with vegetation along margins, at an elevation of about 3,680 m above sea level. Specimens were hiding in the sand. Stomach contents include mainly chironomid larvae (Diptera) and amphipod remains and sand (Ref. 45128),

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Pinna, Mário de | Partner

Fernandez, L.A., 2000. A new species of Trichomycterus from northwestern Argentina (Ostariophysi: Trichomycteridae). Ichthyol. Explor. Freshwat. 11(4):349-354. (Ref. 45128)

IUCN Rote Liste Status (Ref. 130435)

vom Aussterben bedroht (CR) (B2ab(iii)); Date assessed: 27 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (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).

Trophic level (Ref. 69278): 3.2 ±0.46 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Assuming Fec < 100).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Trichomycterus ramosus Fernández, 2000