Occurrence of Isopods in Two Species of Snappers (Lutjanidae) from Northeast Brazil

Figure 4

Excorallana richardsoni collected from Lutjanus jocu, dorsal view. Bar: 2 mm; (b) Antenna I. Bar: 0.2 mm; (c) Detail of the bristles. Arrow I - Swollen basal segment of the first antenna; setae II and III - Tubers of the anterior and lateral pleotelson, respectively; Arrows IV and V - position of the pleotelson bristles and detail of these structures; (d) Comparison between sow bugs described by Menzies and Kruczynski [15] and those described in the present study, arrow points to the bifid end of the sow bug.