(I~'o~ton, I!)'iOl)). ,4 si~nilirt. ~)II(~IIOIII(~IIOII is o f l s ( ~ v ( ~ 1
in othe~. spf-citls
SII(,II 21s / ' ~ l ~ ~ ; / ~ / ~ f ~ f ' f l
,Y;IYI~/O iin(I / / , t j t t r ~ ~ t t o ~ / o r ~ ~
yrori1i.s (Ktepl~e~nsorl, l + ~ ? : l ;
('hir(.(., I!)-10). (irchirt I I I I I I I ~ ) ~ I . S
ol' I~II'V~LI' of I'~l/llidiurtt, sib., ivlli(4l is a
t y pic*irl 11it tJly pc4itgic. sc~rgc~sticl, ;I rcb sit rr~pl(btl i ~ t
tJlc sul.fiiclt ill the subirntrt~.c.tio ~vgion ((Irrrnc~y. 1!)24). ' I ' h c b zoc~irl lt~rvae of Amphionidcs (as
A ~ r r p l ~ i o t ~ )
ra!/trtrrr(iii live- ill thc surfic.c> li~yers down to 30-40 m by
right, \\ hilst. tllc. i l ( 1 1 ~ l t ~
ill'th (listribr~t~(l i ~ t
2 000- 5 000 m where the
X ~ L N
ning t i ~ l < ( * ~
j ) l i \ ( ' ( b .
'l'llt* eggs S I ~ W I Y ris(' t,o t Ile surface, during which
iot~r~~cby I l i l t chi~lg oc*al~l-s (llc~cgi~;~~-tl, I O(i'3). 'I'itese facts reveal that the
Ili~t~~~l~illg 01' 111irny (*irriels i Ls well its several lowct. meso- ant1 bathypelayic
~ ~ ~ r ~ i ~ c * i t l s
irnel sc51-gt*stitls ti~kes pl;toe abovcb their ordinnry udult hnbit:rtioniil tle.l)t tr so t11:~t tj1tt* It~rvi~e c:im rise t~ntl occur in or just below thc:
cbl~l)lrotic- z o l ~ t ~
w11c~1.c. tflrc?~.t, is ;I rioh s~rp~)Iy of food.
'ro c.o~lc.l~~tlc thctrc iu.1. three distribut,ional types of larvae on the
t~iisis of' tile ontog,rcvwtic> nligrations of the difTerent groups of species.
( I ) 6pcrics rrsually living in the cpipelagic and upper mesopelagic
zoncx und Ii~ying their eggs in the euphotic zone; the eggs are small,
hrtt t,llcbil+ nrtrnbor is 1:irge. Thc 1;~rvae feed on phytoplrtnkton in
t h(hil. ('i~t'li(~l' stilg~s i L11d dcvelop there.
(2) Sl)c(.icw living in tha 1owt.r mc.so- and bat hygclagic. zones.
sptrwning 01. I~irtc~hing i i t the uppt~~,rnost of the v c r t i ~ t ~ l
distributional
~.ut~ge* 01' : ~ t l ~ ~ l t
I i ~ n ~ i ~ l t ~ s :
t P l l c ~ cggs i ~ l i t l C~LI'IY l i ~ r \ ' i ~
mob? lipward ant1
tt~ost of' the. Iitrvi~l dt~vc~lol)lrrc~rrt t:ikt~s ~ ) l i i c - r ~
in the c~rlphotic zone or
1i1ye~t+si111 rnc~tlii~tc~ly ;tdjitc.elrt to i t . but t hc juveniles ant1 tidolesccnts
11rovc~ tlc~.l)e~~-. ' I' 11(1 ('ggs ill'tl litl+g(', 1)11t tlltli~' 1111 111 her is few ; some larvae
li.c.11 on I)IIJ l~)l)li~llkto~l. but ot2tlc~rs (lo not fcctl itnd survive. on internal
~ O l k l l l l t i l tll(l)' ('ill1 (Ylt ~ O O ] ~ ~ i l 1 l ~ i ~ O 1 1 .
(:{) S~)(~(-i(*s \ ~ I I O S ( ~ S ~ ~ I ~ I ~ I I ~ I I ~ .
I~II'v~II alI(1 ftdllk 1if1: ti if^(^
ill
i
t i
i I
rI'l~(~)' air(' IICV('I', ;it i111y ~ t i l # ~
of tlwis life, present
I t I ~
i
t
o s ~ l s r ~ r i ~
t
. S(>V(TU~ s p ~ ~ i e s
ill tlll(l Caritic1a in
\vhit*ll tllv Iiti.vi~l rititgc*~ Iliivc rlot so f i ~ r l~t111 desrribcd rrlity hcxlong to
tl~is g~-otrlt.
I). Sor~ic sc/~tl~rin!y kr!yar.s
III (*(*rti~ill i\tQt'iLS tllc (Iiurniil migration of' shrimps causes a soi~ic.
sc' il t t(vi 11.g li~y(>~*. (:e~i(~r~tlly, Sergia lucens appears in t,he shallo\rr layers,
10 60 rn. nli~king t'he grtv~t swnrrns just before sunset and then about
orlcb 11or1r I)c.fhrc* s~i~rrise it starts to swim don'na-ttrd with the n~ttximurn
sinking sl)c~c~tl of I .% rn/tr~in. 'I'lle spcacies begins to move ~OIYI?. upit ard
i~ytiin i n thc wittt~. ill~nost ils so011 ns it Iliis rt.i\c.hetl the lowejt poi~lt.
200 :I()() I I I (l(hptl~. of' tl~cb elo\rn\\,a~.tl cxc.~rl.siolr. 7'ht. sl)rcsies iil)pf*iirs to
in othe~. spf-citls
SII(,II 21s / ' ~ l ~ ~ ; / ~ / ~ f ~ f ' f l
,Y;IYI~/O iin(I / / , t j t t r ~ ~ t t o ~ / o r ~ ~
yrori1i.s (Ktepl~e~nsorl, l + ~ ? : l ;
('hir(.(., I!)-10). (irchirt I I I I I I I ~ ) ~ I . S
ol' I~II'V~LI' of I'~l/llidiurtt, sib., ivlli(4l is a
t y pic*irl 11it tJly pc4itgic. sc~rgc~sticl, ;I rcb sit rr~pl(btl i ~ t
tJlc sul.fiiclt ill the subirntrt~.c.tio ~vgion ((Irrrnc~y. 1!)24). ' I ' h c b zoc~irl lt~rvae of Amphionidcs (as
A ~ r r p l ~ i o t ~ )
ra!/trtrrr(iii live- ill thc surfic.c> li~yers down to 30-40 m by
right, \\ hilst. tllc. i l ( 1 1 ~ l t ~
ill'th (listribr~t~(l i ~ t
2 000- 5 000 m where the
X ~ L N
ning t i ~ l < ( * ~
j ) l i \ ( ' ( b .
'l'llt* eggs S I ~ W I Y ris(' t,o t Ile surface, during which
iot~r~~cby I l i l t chi~lg oc*al~l-s (llc~cgi~;~~-tl, I O(i'3). 'I'itese facts reveal that the
Ili~t~~~l~illg 01' 111irny (*irriels i Ls well its several lowct. meso- ant1 bathypelayic
~ ~ ~ r ~ i ~ c * i t l s
irnel sc51-gt*stitls ti~kes pl;toe abovcb their ordinnry udult hnbit:rtioniil tle.l)t tr so t11:~t tj1tt* It~rvi~e c:im rise t~ntl occur in or just below thc:
cbl~l)lrotic- z o l ~ t ~
w11c~1.c. tflrc?~.t, is ;I rioh s~rp~)Iy of food.
'ro c.o~lc.l~~tlc thctrc iu.1. three distribut,ional types of larvae on the
t~iisis of' tile ontog,rcvwtic> nligrations of the difTerent groups of species.
( I ) 6pcrics rrsually living in the cpipelagic and upper mesopelagic
zoncx und Ii~ying their eggs in the euphotic zone; the eggs are small,
hrtt t,llcbil+ nrtrnbor is 1:irge. Thc 1;~rvae feed on phytoplrtnkton in
t h(hil. ('i~t'li(~l' stilg~s i L11d dcvelop there.
(2) Sl)c(.icw living in tha 1owt.r mc.so- and bat hygclagic. zones.
sptrwning 01. I~irtc~hing i i t the uppt~~,rnost of the v c r t i ~ t ~ l
distributional
~.ut~ge* 01' : ~ t l ~ ~ l t
I i ~ n ~ i ~ l t ~ s :
t P l l c ~ cggs i ~ l i t l C~LI'IY l i ~ r \ ' i ~
mob? lipward ant1
tt~ost of' the. Iitrvi~l dt~vc~lol)lrrc~rrt t:ikt~s ~ ) l i i c - r ~
in the c~rlphotic zone or
1i1ye~t+si111 rnc~tlii~tc~ly ;tdjitc.elrt to i t . but t hc juveniles ant1 tidolesccnts
11rovc~ tlc~.l)e~~-. ' I' 11(1 ('ggs ill'tl litl+g(', 1)11t tlltli~' 1111 111 her is few ; some larvae
li.c.11 on I)IIJ l~)l)li~llkto~l. but ot2tlc~rs (lo not fcctl itnd survive. on internal
~ O l k l l l l t i l tll(l)' ('ill1 (Ylt ~ O O ] ~ ~ i l 1 l ~ i ~ O 1 1 .
(:{) S~)(~(-i(*s \ ~ I I O S ( ~ S ~ ~ I ~ I ~ I I ~ I I ~ .
I~II'v~II alI(1 ftdllk 1if1: ti if^(^
ill
i
t i
i I
rI'l~(~)' air(' IICV('I', ;it i111y ~ t i l # ~
of tlwis life, present
I t I ~
i
t
o s ~ l s r ~ r i ~
t
. S(>V(TU~ s p ~ ~ i e s
ill tlll(l Caritic1a in
\vhit*ll tllv Iiti.vi~l rititgc*~ Iliivc rlot so f i ~ r l~t111 desrribcd rrlity hcxlong to
tl~is g~-otrlt.
I). Sor~ic sc/~tl~rin!y kr!yar.s
III (*(*rti~ill i\tQt'iLS tllc (Iiurniil migration of' shrimps causes a soi~ic.
sc' il t t(vi 11.g li~y(>~*. (:e~i(~r~tlly, Sergia lucens appears in t,he shallo\rr layers,
10 60 rn. nli~king t'he grtv~t swnrrns just before sunset and then about
orlcb 11or1r I)c.fhrc* s~i~rrise it starts to swim don'na-ttrd with the n~ttximurn
sinking sl)c~c~tl of I .% rn/tr~in. 'I'lle spcacies begins to move ~OIYI?. upit ard
i~ytiin i n thc wittt~. ill~nost ils so011 ns it Iliis rt.i\c.hetl the lowejt poi~lt.
200 :I()() I I I (l(hptl~. of' tl~cb elo\rn\\,a~.tl cxc.~rl.siolr. 7'ht. sl)rcsies iil)pf*iirs to