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Notarius quadriscutis (Valenciennes, 1840)

Image contributors to this species:

Jackie Goulder (2) David Mashall (1)

ScotCat Sources:

Other Sources:

Relevant Information:

Description: Dorsal spines (total): 1. Three pair of barbels on rostral region, two pairs on lower jaw, one pair on posterior end of maxilla; end of maxilla barbel reaching pectoral fin insertion; large saddle-shaped bony plate with rugosa surface in front of dorsal fin, anterior margin of this plate waved but no deep medial incision. Habitat: Found in turbid waters over muddy bottoms in shallow coastal areas, also around estuaries , and coastal rivers. Colouration: Body yellow or gray-yellow dorsally, white ventrally. Reproduction: Reproduction period is probably between September and November. Egg diameter is 9-11 mm. Males practice mouth brooding of the eggs. Diet: Food items include bottom-living invertebrates. Etymology: The specific name quadriscutis: quadus, square; scutum, shield, referring to the square shape of the bony plate (occipital process) in front of dorsal fin. Remarks: Still found on some online searches as Aspistor quadriscutis.

Common Name:

Bressou sea catfish

Synonyms:

Arius quadriscutis, Aspistor quadriscutis

Family:

Ariidae

Distribution:

South America: Atlantic coastal rivers of South America from Guyana to northeastern Brazil. Type locality: Cayenne ou de la Mana ... Cayenne.

Size:

50.0cm.TL (20ins)

Temp:

20-27°c (67-81°f)

p.H.

6.5-8.0.

Reference:

Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Froese, R. and D. Pauly. Editors. 2009. FishBase. World Wide Web electronic publication.www.fishbase.org, version (05/2011).
The ETYFish Project Fish Name Etymology Database © Christopher Scharpf.

Family: Ariidae Back to Ident-A-Cat Click on Thumbnails

Notarius quadriscutis

Notarius quadriscutis
Head view

Notarius quadriscutis

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