Teleostei (teleosts) >
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Ariopsis: Greek, ari = very, strength, superiority + Greek, opsis = appearance (Ref. 45335).
Eponymy: Dr Berthold Carl Seemann (1825–1871) was a German botanist, traveller and collector. [...] (Ref. 128868), visit book page.
More on author: Günther.
Issue
Placed by Kailola & Bussing (in Fischer et al., 1995:874) tentatively in Arius.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; freshwater; brackish; demersal; pH range: 6.8 - 8.0; dH range: 8 - 30. Tropical; 22°C - 26°C (Ref. 2060); 24°N - 5°S
Eastern Pacific: El Salvador to Panama.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 44.4 cm TL male/unsexed; (Ref. 124487); max. published weight: 912.30 g (Ref. 124487)
This species is distinguished from its congeners by the following characters: osseous medial groove present; lateral margin of sphenotic notched, narrower medially than anteriorly;
fleshy medial groove of neurocranium, never surpassing posterior margin of eyes; pterotic lateral margin convex, sometimes angled; gill rakers on the first and second gill arches 30-36;
mouth narrow 9.7-12.7% SL; median portion of mesethmoid narrow, medial notch of mesethmoid narrow and deep; external posterior branch of lateral ethmoid columnar and thin;
fenestra delimited by mesethmoid and lateral ethmoid conspicuous (Ref. 116660).
Cross section: oval.
Common in coastal marine and brackish waters (Ref. 9271). Inhabits medium and large rivers to an elevation of at least 25 m (Ref. 36880). Marketed fresh or salted (Ref. 9271). Aquarium keeping: not suitable for home aquarium; adults in seawater; minimum aquarium size >150 cm (Ref. 51539).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Males mouthbrooder.
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
Traumatogenic (Ref. 58010)
Human uses
Fisheries: commercial; aquarium: public aquariums
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00387 - 0.00981), b=3.11 (2.98 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.55 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
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