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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Ariopsis: Greek, ari = very, strength, superiority + Greek, opsis = appearance (Ref. 45335).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien; brak water demersaal. Tropical
Eastern Pacific: Mexico.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 29.1 cm SL mannelijk / geslacht onbekend; (Ref. 116660)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species is distinguished from its congeners by the following characters: gill rakers on the first gill arch 19-20; first and second gill arches with 40–42 rakers; osseous medial groove present; fleshy medial groove of neurocranium conspicuous and very long, always surpassing the posterior margin of eyes; lateral margin of sphenotic notched, narrower medially than anteriorly; pterotic lateral margin markedly convex, sometimes angled; mouth small 10.7-12.3% SL; anterior nostrils close 5.5-6.5% SL; posterior nostrils close 4.9-6.7% SL; cephalic shield narrower in the frontal area 8.3-9.8% SL; mesethmoid median portion narrow, mesethmoid medial notch narrow and deep; external posterior branch of lateral ethmoid columnar and thin (Ref. 116660).
Cross section: oval.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Marceniuk, A.P., A.P. Acero, R. Cooke and R. Betancur-R, 2017. Taxonomic revision of the new world genus Ariopsis Gill (Siluriformes: Ariidae), with description of two new species. Zootaxa 4290(1):1-42. (Ref. 116660)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00381 - 0.01658), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±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): Low to moderate vulnerability (26 of 100).
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