Classification / Names
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Teleostei (teleosts) >
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Ariopsis: Greek, ari = very, strength, superiority + Greek, opsis = appearance (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; demersal. Tropical
Distribution
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Eastern Pacific: Colombia to Peru.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL male/unsexed; (Ref. 116660)
Short description
Identification keys | Morphology | Morphometrics
This species is distinguished from its congeners by the following characters: osseous medial groove present; fleshy medial groove of neurocranium conspicuous or inconspicuous, but never surpassing posterior margin of eyes; pterotic lateral margin convex, sometimes angled; lateral margin of sphenotic straight, as wide medially as anteriorly; gill rakers on the first and second gill arches 28-37; medial notch of mesethmoid narrow and deep; pectoral spine long 18.7-22.5% SL
external posterior branch of lateral ethmoid columnar and thin, fenestra delimited by mesethmoid and lateral ethmoid conspicuous (Ref. 116660).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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).
Trophic level (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).