Psalidodon togoi (Miquelarena & López, 2006)
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> Characiformes (Characins) > Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Psalidodon: Greek, psalis, -idos = scissors + Greek, odous = teeth (Ref. 45335); togoi: Named for Carlos Togo, expert and pioneer of fish research in pampasic lagoons.
Eponymy: Carlos Togo was an Argentine ichthyologist, who, according to the etymology was: “…a great expert and pioneer of ichthyofaunal research in pampasic lagoons.” He co-wrote: Piscicultura experimental (1968). (Ref. 128868), visit book page.
Etymology: Psalidodon: Greek, psalis, -idos = scissors + Greek, odous = teeth (Ref. 45335); togoi: Named for Carlos Togo, expert and pioneer of fish research in pampasic lagoons.
Eponymy: Carlos Togo was an Argentine ichthyologist, who, according to the etymology was: “…a great expert and pioneer of ichthyofaunal research in pampasic lagoons.” He co-wrote: Piscicultura experimental (1968). (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie
; zoet water benthopelagisch. Tropical
Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri
South America: Salado River system and tributaries of Río de la Plata in Argentina.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 5.6 cm SL mannelijk / geslacht onbekend; (Ref. 57841); 6.8 cm SL (female)
Max length : 5.6 cm SL mannelijk / geslacht onbekend; (Ref. 57841); 6.8 cm SL (female)
Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie
Wervels: 35. This species can be distinguished from all its congeners, except Hyphessobrycon langeanii Lima & Moreira, in having a well-defined, round to horizontally oval humeral spot. It differs from H. langeanii by the possession of a second humeral spot (vs. absent), maxilla not reaching anterior edge of orbit (vs. maxilla reaching middle of orbit) and infraorbitals 3 and 4 separated (vs. coossified). Other diagnostic characters of H. togoi include: a short expanded maxilla with 1 large multicuspid tooth; premaxilla with an outer row of 3 small teeth, with 5 or 6 cusps, relatively apart from each other; an inner series with 5 teeth that are distally broader, with numerous cusps (6-11) and overlapping each other; iv-v, 17-20 anal-fin rays; 31-36 scales on the longitudinal series; presence of bony hooks on all fins of the mature males (Ref. 57841).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Body shape (shape guide): short and / or deep; Cross section: compressed.
In Buenos Aires province, this species is reported to be found in the Salado River and in ponds, marshes and creeks within the Salado basin. The Chascomús, Lobos and Lacombe lagoons are extensive water-bodies with abundant floating and submerged vegetation). These lakes are a portion of a lenthic environment system which is one of the most remarkable features of the wet pampa. Hyphessobrycon togoi is not abundant with respect to other species occurring in these lagoons, but it is sometimes caught in canals and flooded areas near the lagoons. The Salado River crosses Buenos Aires Province from northwest to southeast, running for ca 690 km in the Pampasia and finally draining into Bahía de Samborombón. The new species was also reported from Matanza River, a highly polluted environment draining into the Río de la Plata, where some of the most densely populated areas of Argentina lies along the middle and lower sections of this river, coupled with a high and complex industrial concentration (Ref. 57841).
Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Hoofdreferentie
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Miquelarena, A.M. and H.L. López, 2006. Hyphessobrycon togoi, a new species from the La Plata basin (Teleostei: Characidae) and comments about the distribution of the genus in Argentina. Rev. Suisse Zool. 113(4):817-828. (Ref. 57841)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Niet bedreigd (LC) ; Date assessed: 04 March 2021
CITES
Not Evaluated
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van potentieel belang
FAO - Publication: search | FishSource |
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Schattingen op basis van modellen
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Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01738 (0.00796 - 0.03794), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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Trofisch niveau (Ref. 69278) |
3.0 ±0.3 se; based on size and trophs of closest relatives |
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Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
|
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |
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Prijsklasse (Ref. 80766) |
Unknown. |