TABLE I. RANGE IN SIZE (mm) OF EARLY LARVAL STAGES OF EUPHAUSIIDS. MEAN SIZES SHOWN IN BRACKETS, SINGLE
MEASUREMENTS NOT IN BRACKETS OF DOUBTFUL ACCURACY
Nauplii
MetaCalyptopes
Species
I
II
nauplius
I
11
111
Thysanopoda
T . cristata
T . tricuspidata
T. acutijrons
c3
x m
3.50-3.80
4.50-4-70
Einarsson (1945)
s
4-2
Lebour (1950)
Zimmer and Griiner (1956)
z
2.50
3.50
b
*
(1945); Mauchline (1959)
0
Meganyctiphanes
Lebour (1924) ; Einarsson
0
M . norvegica
0.48
0.48
0.50-0.52
(1.03)
(1.59)
(2.4)
Nyctiphanes
N . couchii
0.56
0.57
1.00
1.44
1-92
Lebour (1924)
N . australis
0.40-0.50
0.55-0.60
0.50-0.75
0.80-1-40
1.40-1.90
1.60-2.40
Sheard (1953)
N. capensis
0.42
0.48
0.98-1.10
1.40-1.50
1-80-2.20
Boden (1955)
N. sirnalex
0.40-0.54
0.54-0.60
0.58-0.62
1.00-1.30
1.35-1.75
1.80-2.30
Boden (1951)
Pseudeuphausia
P. latifrons
P. sinica
1.20-1.40
1.80-2.00
2.00-2.50
Sheard (1953)
0.50-0.60* 0.60-0.75* 0-80-0.90* Wang (1965)
Euphausia
E. krohnii
0.40-0*60
0.90-1.40
1.60-2.00
1.80-2.80
Lebour (1926d) ; Frost (1934)
E. brevis
0.88
1.36
1.68
Lebour (1950)
E . superba
0.63-0.66
0.63-0.70
0.80-1.10
1.30-1.90
2.10-3.30
3.20-4.80
Fraser (1936)
E. vallentini
1.60-1.80
2.50-2.80
J o h n (1936) ; Bary (1956)
E. lucens
0.90-1.20
1.40-1.70
2.10-240
Bary (1956)
E . jrigida
1.10
1.50-1.80
2.50-2.90
Rustad (1930) ; John (1936) ;
Bary (1956)
r