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J M M J S N J M M J S N J M M J S N J M M J S N J
151
1
FIG. 115. Growth curves of euphausiids of the northern hemisphere.
A. Thysanoessa raschii and T. inermk. (a) T. raschii, Firth of Clyde (Mauchline,
1966a) ; (b) T. inermia, southern Iceland (Einarsson, 1945) ; (c) T. inermia, north
and east Iceland with extension of growth into B third year off West Greenland.
B. Thysanoessa Zongicaudata. Growth curve (broken line) in Gulf Stream area
of North Atlantic (solid line) off West Greenland (Einarsson, 1945).
C. Thysanoessa Zongipes. Growth of males and females in the northwestern
Pacific (Nemoto, 1957).
D. Meganyctiphnea norvegica. Growth curves (a) in Cadiz Bay (Ruud, 1936) ;
(b) in Firth of Clyde (Mauchline, 1960); (c) off southern Iceland (Einarsson, 1945).
E. Thysampoda acutafrona. Growth in North Atlantic (Einarsson, 1945).
Blocked regions of curves indicate breeding seasons.