Braga patagonica Schioedte and Meinert, 1884

Braga patagonica Schioedte and Meinert, 1884 View in CoL

( Fig. 2 View Figure 2 )

Material examined. 2females and 2 males (catalogue number: CZUFS CRU-00373 ) .

Supplementary description. Females ( Fig. 2A View Figure 2 ): oval body; light milky color. Cephalon triangular, anterior long and rounded; scattered and discrete chromatophores; relatively small eyes. Antennule with 7 articles and antenna with 8 articles ( Fig.2D,E View Figure 2 ). Pereon broad, being longest and widest at pereonite 5. Pleon narrow. Pleotelson prominent, wider than long. Pleopod 1 bilaminate, 2 quadrilaminate, 3–5 trilaminate; exopod longer than endopod. Uropod shorter than pleotelson.

Males ( Fig. 2B, C View Figure 2 ). Smaller than females. Milky brownish coloration, with chromatophores forming patterned dotted dark brown pigmentation arranged at lateral and posterior ends of pereonites and in central strip extending from anterior to posterior region. Head with well-developed eyes. Antennule with 7 articles. Antenna bases well separated, with 8 articles. Seen from side, body practically straight, with subtle depression in pereonite 5.

Host/site of infection. Pygocentrus piraya , body surface.

Place of registration. Main channel of the São Francisco River between the municipalities of Porto Real do Colégio (state of Alagoas) and Propriá (state of Sergipe) .

Ecological descriptors. P = 22.22%; Im = 2.00;

Am = 0.44 ± 1.01