238
M A K ~ T O OMORI
known. ' l' huw it is inlpractic.al t,o attempt in this paper to define the
geograpl~iatl liniitti of t~ny one nl~ecirs. Records of the occurrence of
apeeicts ill t Iir l i t c r t ~ t l i ~ ~
illdi(vitr that lj!lmJ~nodoru glacialis (Ruchholz)
exte~icis its (li~tril)iit~io~l to thr arc:ti(: rc8gion (Stephensen, 1935).
f'u.vip/~ctoet m~t~lti(lontn/(~ I3snittrk i~11(1 1'. turd41 Krwyer itre found along
the No~.wegii~~i fjoi.cls iix f i ~
11orth iis 7O"N, iiritl u few rriore spcoies sttch
as Ser!jc?stes nrctir.ti.u K rcjycbr. A'. a.in, ili.9 H~LIIWII, IIyrn~nodora fronlalie
Rt~thbtin urc foit~~tl ill the s ~ ~ l ) i ~ r ~ t ~ i ( ~
writers. In the Southern Hernisphere I'rtctlidiz~m, foliacc.um Biite i~tld tlymrnodom gracilis Smith occur
off' Endcrbx Jlr~n~l ( Halt%, I94 1). However, i ~ p a r t from Pnsiphaea
l o ~ q i ~ p i n a
T,cnz i ~ n d Strunck which wiis recorded from the Rovcr Sea
(Borraduile, 1918), none of the species hus so f t ~ r been recorded from
the tmtnrctic: region. Thus most of j~elagic shrimps are found in the
tcn~pcrr~tc., siihtropical and tropicti1 regions of both hemispheres,
Appiiwnt i l l ~ l ' 0 i i N ~
in t,hcb f t ~ ~ i n i ~ l
diversity from the subarctic regions
to the tropic:itl regions hiiis h e n rcporteci in the North Atlantic and the
North Pacific: Ocei~ns. Iqoxton (1072b) stated that the number of
~teltigich sl~rimlj species rccordecl in tlie upper 2 000 m at 803N, 53ON,
40°N, 2H0N, I X0N imd I I "N iri the eastern Atlantic was 15, 12, 29, 27,
5 1 i~iici 43 i*~nprct~ively.
0rc~;iiiic.. I~M'cI' rntwo- u11(1 buttlypelagio* shrimps such as h'ereryia
,j(tpo)ti(:t~ ( Hate), Oplophor'us .vpiv~icauda A. Milne Edwards, Acnntheph!jrn c.urtivo,strz',s \Vootl- M itsotl, A . tt~ie.t.ophthnlnuz Smith, Hyn~enodora
~lafiicrliu, S,y,vlelkc<9pis cristata (li'nxoti), S. dchilis A. h 1 i 1 J3dwards
i~iid An,phion.idex re?ynnudii ( H . Milne Ec1wurds)t havcb very wide
geogrciphio di~t,ril)i~tjoi~s t~nd 11itvr be011 colle(:ted sporadically from the
Atl:tntic, Tndii~n rind Pacific* Oc*cuns. In csontrctst, rpi- and uppcr
~nesopc*lngic. sl)rcic*x inc~lutlir~g nitirly ncritic forrns are more ofton than
not rc~st~rictcti to o ~ ~ c
ocScan, or cbvcn to olitL pitrticillar urea of water off
u siiigl(> cboc~st of on(* ocvun. k'or rxurnl~le, Sergia lucens (Hanuen) has
so ftw bcc.11 forrnct only in Sti~~ugii Bay imd its i~tljacent waters off
. J ~ L ~ ~ L I I
; A4~:~lr,.9 chin('rl8i.v H~ttseti is extrttorc1inarily itht~ilrlt~rit only
* Thv tornis " t'[)itmlagic ", " ~n('st~f)crl~gic " und " hat h y ~ ~ ! I u ~ i c
'' ~ U V C been (fefirti!il
by Flt~tiglw~1.h (1967) nnci ~)thor.n in t11~ pant. Irl the prc.xent paper c.pif~r:lagic id 0 to 150 rn
depth t)y tiny. 111~1~". ~ne~op'lngic is I5lJ t,o 500 rn, 1olr.c.r mr.*opolngir i i 501) t i ) 1 000 rn,
lrricl bntl~ypclt~gic? in 1 000 t,o 4 000 n ~ .
t In tliacl~rr~i~~ci with I)r L
'
.
Hot!gaartl rt~gnrcling tilt. s.ysteniatic position of
A~~rphio~riticn. wcx axmr~tl that thin cnrliiot I J ~
rcxteinc.tl in the (laridoa, whrtrc most recent
nt~t~horn Iisvtq ~ l ~ c t ~ l
it,, and t.hwt t,hu An~l>hio~~itlidc~n shoulrl bc! rc!cognizerl as a section
of tht3 1)cwapotlu. U'illia~nnon (1974) tlincunut~x this rnntttv wit,h rich material from tho
-4t,lontir n.nti IntIi~11 OCO~IIH. He I J P O V ~ ~ R H v a r i o t ~ ~CUROIIS ugainut t,he inc111~ivri ~f
A ~ ~ c p h , i o ~ t i d r ~
in the Cnridea and ~uggtwtn that tB\.cli itx mt.crlition in the 1)crcapode m~ist
i)e mrio~~uly r ( ~ c ? t ~ ~ l n i ~ I ~ ~ ~ ~ ~ ~ ~ t .
M A K ~ T O OMORI
known. ' l' huw it is inlpractic.al t,o attempt in this paper to define the
geograpl~iatl liniitti of t~ny one nl~ecirs. Records of the occurrence of
apeeicts ill t Iir l i t c r t ~ t l i ~ ~
illdi(vitr that lj!lmJ~nodoru glacialis (Ruchholz)
exte~icis its (li~tril)iit~io~l to thr arc:ti(: rc8gion (Stephensen, 1935).
f'u.vip/~ctoet m~t~lti(lontn/(~ I3snittrk i~11(1 1'. turd41 Krwyer itre found along
the No~.wegii~~i fjoi.cls iix f i ~
11orth iis 7O"N, iiritl u few rriore spcoies sttch
as Ser!jc?stes nrctir.ti.u K rcjycbr. A'. a.in, ili.9 H~LIIWII, IIyrn~nodora fronlalie
Rt~thbtin urc foit~~tl ill the s ~ ~ l ) i ~ r ~ t ~ i ( ~
writers. In the Southern Hernisphere I'rtctlidiz~m, foliacc.um Biite i~tld tlymrnodom gracilis Smith occur
off' Endcrbx Jlr~n~l ( Halt%, I94 1). However, i ~ p a r t from Pnsiphaea
l o ~ q i ~ p i n a
T,cnz i ~ n d Strunck which wiis recorded from the Rovcr Sea
(Borraduile, 1918), none of the species hus so f t ~ r been recorded from
the tmtnrctic: region. Thus most of j~elagic shrimps are found in the
tcn~pcrr~tc., siihtropical and tropicti1 regions of both hemispheres,
Appiiwnt i l l ~ l ' 0 i i N ~
in t,hcb f t ~ ~ i n i ~ l
diversity from the subarctic regions
to the tropic:itl regions hiiis h e n rcporteci in the North Atlantic and the
North Pacific: Ocei~ns. Iqoxton (1072b) stated that the number of
~teltigich sl~rimlj species rccordecl in tlie upper 2 000 m at 803N, 53ON,
40°N, 2H0N, I X0N imd I I "N iri the eastern Atlantic was 15, 12, 29, 27,
5 1 i~iici 43 i*~nprct~ively.
0rc~;iiiic.. I~M'cI' rntwo- u11(1 buttlypelagio* shrimps such as h'ereryia
,j(tpo)ti(:t~ ( Hate), Oplophor'us .vpiv~icauda A. Milne Edwards, Acnntheph!jrn c.urtivo,strz',s \Vootl- M itsotl, A . tt~ie.t.ophthnlnuz Smith, Hyn~enodora
~lafiicrliu, S,y,vlelkc<9pis cristata (li'nxoti), S. dchilis A. h 1 i 1 J3dwards
i~iid An,phion.idex re?ynnudii ( H . Milne Ec1wurds)t havcb very wide
geogrciphio di~t,ril)i~tjoi~s t~nd 11itvr be011 colle(:ted sporadically from the
Atl:tntic, Tndii~n rind Pacific* Oc*cuns. In csontrctst, rpi- and uppcr
~nesopc*lngic. sl)rcic*x inc~lutlir~g nitirly ncritic forrns are more ofton than
not rc~st~rictcti to o ~ ~ c
ocScan, or cbvcn to olitL pitrticillar urea of water off
u siiigl(> cboc~st of on(* ocvun. k'or rxurnl~le, Sergia lucens (Hanuen) has
so ftw bcc.11 forrnct only in Sti~~ugii Bay imd its i~tljacent waters off
. J ~ L ~ ~ L I I
; A4~:~lr,.9 chin('rl8i.v H~ttseti is extrttorc1inarily itht~ilrlt~rit only
* Thv tornis " t'[)itmlagic ", " ~n('st~f)crl~gic " und " hat h y ~ ~ ! I u ~ i c
'' ~ U V C been (fefirti!il
by Flt~tiglw~1.h (1967) nnci ~)thor.n in t11~ pant. Irl the prc.xent paper c.pif~r:lagic id 0 to 150 rn
depth t)y tiny. 111~1~". ~ne~op'lngic is I5lJ t,o 500 rn, 1olr.c.r mr.*opolngir i i 501) t i ) 1 000 rn,
lrricl bntl~ypclt~gic? in 1 000 t,o 4 000 n ~ .
t In tliacl~rr~i~~ci with I)r L
'
.
Hot!gaartl rt~gnrcling tilt. s.ysteniatic position of
A~~rphio~riticn. wcx axmr~tl that thin cnrliiot I J ~
rcxteinc.tl in the (laridoa, whrtrc most recent
nt~t~horn Iisvtq ~ l ~ c t ~ l
it,, and t.hwt t,hu An~l>hio~~itlidc~n shoulrl bc! rc!cognizerl as a section
of tht3 1)cwapotlu. U'illia~nnon (1974) tlincunut~x this rnntttv wit,h rich material from tho
-4t,lontir n.nti IntIi~11 OCO~IIH. He I J P O V ~ ~ R H v a r i o t ~ ~CUROIIS ugainut t,he inc111~ivri ~f
A ~ ~ c p h , i o ~ t i d r ~
in the Cnridea and ~uggtwtn that tB\.cli itx mt.crlition in the 1)crcapode m~ist
i)e mrio~~uly r ( ~ c ? t ~ ~ l n i ~ I ~ ~ ~ ~ ~ ~ ~ t .