224 
PACIFIC SCIENCE, Vol. XI, April, 1957 
TABLE 1 
Review of Reproduction and Development in Family Nereidae 
SPECIES 
METHOD OF REPRODUCTION 
MAXIMUM STAGE REARED 
REFERENCE 
Ceratonereis costae 
(Grube) 
Eggs laid in jelly mass in 
tube; eggs incubated by 9 
37 day old larva had 6 larval 
segments 
Durchon, 1956 
Micronereis nanaimoensis . . . 
Swarming and pairing but 
23 day old larvae possessed 3 
Berkeley and 
Berkeley and Berkeley 
not epitokal; eggs laid in 
jelly mass with cf incu- 
bating 
larval segments 
Berkeley, 1953 
M. variegata Claparede. . . 
As M. nanaimoensis 
40 day old larvae possessed 6 
segments 
Rullier, 1954 
Namanereis indica 
(Southern) 
Protandric hermaphrodite 
Preliminary note only 
Aiyar, 1935 
N. raneuensis 
(Feuerborn) 
Hermaphroditic 
4 day old larva possessed 3 
larval segments 
Feuerborn, 1932 
Neanthes caudata 
(delle Chiaje) 
Eggs laid in tube; eggs in- 
cubated by d 71 
Sexual maturity in 2 months; 
cf reproduced more than 
once; 9 reproduced only 
once 
Reported herein 
N. japonica (Izuka) 
Swarming but not epitokal 
9 day old larva had 4 larval 
segments 
Izuka, 1908; 1912 
N. lighti Hartman 
Viviparity and probably self- 
fertilizing hermaphrodite 
Parturation occurred at 3-4 
weeks of larvae with up to 30 
segments 
Smith, 1950 
N. succinea 
(Frey and Leuckart) 
Epitoky 
60 day old larva had 17 seg- 
ments 
Banse, 1954 
Nereis diversicolor 
Direct; population 40% & 
Sexual maturity reached in 10 
Bogucki, 1954; 
Muller 
in Baltic Sea and 10% cf on 
English coast 
months 
Dales, 1950 
N. grubei (Kinberg) 
Epitoky 
Sexual maturity in 3.5 months; 
offspring all epitokal 
Reish, 1954 
N. irrorata (Malmgren) . . . 
Epitoky 
3 larval segments 
Herpin, 1926 
N. pelagica Linnaeus 
Epitoky 
One year old specimen had 60 
segments 
D. P. Wilson, 193; 
N. procera Ehlers 
Epitoky 
Reared to sexual maturity but 
no details given 
Guberlet, 1934 b 
N. vexillosa Grube 
Epitoky; eggs laid in jelly 
mass; no incubation 
One specimen was 13 months 
old but not sexually mature at 
time of death 
Johnson, 1943 
Perinereis cultrifera 
(Grube) 
Epitoky 
45 day old larva had 7 seg- 
ments 
Herpin, 1926 
P. marioni (Audouin and 
Milne-Edwards) 
Epitoky 
80 day old larva had 19 seg- 
ments 
Herpin, 1926 
Platynereis bicanaliculata . . . 
(Baird) 
Epitoky 
Sexual maturity in 9 months; 
offspring all epitokal 
Guberlet, 1934^ 
P. dumerilii (Audouin and 
Milne-Edwards) 
Epitoky 
Sexual maturity in 21 weeks; 
offspring all epitokal 
Hauenschild, 1951 
P. massiliensis 
(Moquin-Tandon) 
Protandric hermaphrodite; 
d’’ incubates eggs 
Sexual maturity; sperm present 
when worm had 17-25 seg- 
ments; eggs present when 
worm had 41-47 segments 
Hauenschild, 1951 
