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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Potamarius: Greek, potamos = river (Ref. 45335).
Eponymy: Edward William Nelson (1855–1934) was an outstanding American naturalist. [...] (Ref. 128868), visit book page.
More on authors: Evermann & Goldsborough.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal. Tropical
Central America: Usumacinta River basin in Mexico.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 39.0 cm SL mannelijk / geslacht onbekend; (Ref. 39852)
Males carry the eggs in their mouth (Ref. 205). Migratory behaviour is undetermined (Ref. 126106).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Males carry the eggs in their mouth (Ref. 205).
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Traumatogenic (Ref. 58010)
Gebruik door de mens
Tools
Speciale rapporten
Download XML
Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00445 - 0.01179), b=3.22 (3.08 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.6 ±0.4 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |