Brevoortia aurea (Spix & Agassiz, 1829)
Brazilian menhaden
Brevoortia aurea
photo by Timm, C.D.

Family:  Clupeidae (Herrings, shads, sardines, menhadens), subfamily: Alosinae
Max. size:  34.4 cm TL (male/unsexed)
Environment:  pelagic-neritic; marine
Distribution:  Southwest Atlantic: Rio de Janeiro, Brazil probably to mouth of Rio de la Plata, Argentina (needs confirmation).
Diagnosis:  Dorsal spines (total): 0-0; Anal spines: 0-0. Scutes apparent along belly. Upper jaw with distinct median notch. Pectoral fin tip short of pelvic fin base by width of 3 to 7 scales; pelvic fin with oblique and almost straight hind margin. Pre-dorsal scales modified; scales on back and above base of anal fin not markedly smaller than rest. A black spot behind gill opening, but none along flank.
Biology:  Forms schools (Ref. 188). The morphological characteristics observed and the composition of the trophic spectrum indicate that this species is a filter-feeder, consuming mainly phytoplankton (Ref. 34154).
IUCN Red List Status: Least Concern (LC); Date assessed: 06 March 2017 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Binohlan, Crispina B. - 17.10.90
Modified by: Reyes, Rodolfo B. - 08.05.17
Checked by: Binohlan, Crispina B. - 25.07.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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