FAO Species Identification Guide for Fishery Purposes Western

Nephropidae 983
Similar families occurring in the area
Thaumastochelidae: body somewhat flattened dorsoventrally;
antennal scale with several large teeth along inner margin; first
pair of pincers very unequal; abdominal pleura short, quadrangular
and not ending in a point; telson unarmed.
Enoplometopidae: body distributed with tufts of long stiff hairs;
second and third legs forming false pincers; telson bearing
movable spines.
Polychelidae: carapace box-like, rostrum absent or rudimentary;
first 4 or all legs with pincers, first pair long but slender;
telson pointed.
Glypheidae: body somewhat flattened dorsoventrally; eyes
inserted on a median elevation of cephalon; first 2 legs forming
false pincers.
Synaxidae: body somewhat flattened dorsoventrally and hairy;all
legs simple and without pincers, the first pair heavier than the
others; antennae whip-like and shorter than carapace; posterior
half of tail fan soft and flexible.
movable
spines
2 nd and 3 rd legs
with false
pincers
telson
rostrum
2
Enoplometopidae
1 false pincers
3
4
simple dactylus
Glypheidae
5
5
3
4
1
2
tufts of
long stiff
hairs
1 st pincers very unequeal
antennal
scale
1 st leg
long and
slender
pleura
quadrangular
telson
pointed
1
2
3
4
no pincers Polychelidae
1 2
antenna
short
3
Synaxidae
5
1
2
Thaumastochelidae
5
3
4
first 4 or all
legs with
pincers
4
5
posterior half of
tail fan soft