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Teleostei (teleosts) > Siluriformes (Catfishes) > Ariidae (Sea catfishes) > Ariinae
Etymology: Occidentarius: Name Latin 'occidens' meaning west, and the genus name Arius; in reference to the restriction of the species to the EP, the western-most region occupied by ariids..
More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; brackish; demersal; depth range 6 - 107 m (Ref. 96339), usually ? - 60 m (Ref. 9271). Tropical; 24°N - 1°N

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Pacific: México to Perú.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 96339); common length : 25.0 cm TL male/unsexed; (Ref. 55763)

Short description Identification keys | Morphology | Morphometrics

Diagnosis: This species is distinguished by the following characters: anterior cavities of lateral ethmoids (where the olfactory bulb is housed) greatly developed; bony excrescence of posterolateral process of lateral ethmoids prominent, completely closing the lateral fenestrae; basioccipital with a laminar bony crest bordering the anterior foramen of aortic tunnel (Ref. 86580).

Abundant on the continental shelf (Ref. 9271). Utilized fresh or salted, but rarely consumed (Ref. 9271). Demersal species that inhabits sandy substrates in coastal waters up to 60m deep. May be caught in nets and purse seines along with other fishes. It is sold fresh (Ref. 55763).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator : Ferraris, Jr., Carl J. | Collaborators

Betancur-R, R., A. Acero P, E. Bermingham and R. Cooke, 2007. Systematics and biogeography of New World sea catfishes (Siluriformes: Ariidae) as inferred from mitochondrial, nuclear, and morphological evidence. Mol. Phylogen. Evol. 45:339-357. (Ref. 86580)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 23 May 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Traumatogenic (Ref. 58010)

Human uses

Fisheries: minor commercial

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Ecology
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Distribution
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Anatomy
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Physiology
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Visual pigment(s)
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Summary page | Point data | Common names | Photos

Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 20.3 - 28.8, mean 26.9 °C (based on 68 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00525 (0.00317 - 0.00870), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.7 ±0.0 se; based on diet studies.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (40 of 100).

Price category (Ref. 80766): Medium.

Occidentarius platypogon (Günther, 1864)