FAO Species Identification Guide for Fishery Purposes Western

Penaeidae 899
5a. Epigastric spine approximately above level of hepatic spine (Fig. 34; see also Figs 39d and
41d) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parapenaeus perezfarfante
5b. Epigastric spine distinctly behind level of hepatic spine (Fig. 35) . . . . . . . . . . . . . . . . .→6 epigastric spine
epigastric spine
branchiostegal spine hepatic spine
Fig. 34 Parapenaeus perezfarfante
(from Crosnier, 1985)
6a. Rostrum slender and almost straight
(see also Fig. 40a) . . Parapenaeus ruberoculatus
6b. Rostrum robust and sinuous . . . . . . . . . . → 7
7a. Rostrum extending to about the middle
of second segment of antennular
peduncle (Fig. 35; see also 40b and
41e) . . . . . . . . . Parapenaeus sextuberculatus
7b. Rostrum extending beyond second
segment of antennular peduncle
(Figs 36 to 38) . . . . . . . . . . . . . . . . . → 8
a) Parapenaeus
investigatoris
Fig. 37 Parapenaeus lanceolatus
(from Crosnier, 1985)
subdistolateral
lobe
b) Parapenaeus
murrayi
c) Parapenaeus
fissurus
Fig. 39 distal part of petasma
(after Crosnier, 1985)
hepatic spine
Fig. 35 Parapenaeus sextuberculatus
(from Crosnier, 1985)
Fig. 36 Parapenaeus fissuroides
(from Crosnier, 1985)
Fig. 38 Parapenaeus australiensis
(from Crosnier, 1985)
subdistolateral
lobe
d) Parapenaeus
perezfarfante
ventral
view
8a. In males, petasma with subdistolateral lobes bifurcate (Fig. 40c); in females median part
of thelycum bearing a pair of longitudinal swellings (Fig. 41f) . . . . . . . . Parapenaeus fissuroides
8b. In males, petasma with subdistolateral lobes not bifurcate; in females, median part of
thelycum without longitudinal swellings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . → 9
lateral
view