| Family: |
Ariidae (Sea catfishes), subfamily: Ariinae |
| Max. size: |
44.4 cm TL (male/unsexed); max.weight: 912.3 g |
| Environment: |
demersal; freshwater; brackish; marine; pH range: 6.80000019073486 - 8; dH range: 8 - 30 |
| Distribution: |
Eastern Pacific: El Salvador to Panama. |
| Diagnosis: |
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). |
| Biology: |
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). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 22 May 2007 Ref. (130435)
|
| Threat to humans: |
traumatogenic |
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