Catch Rates and Si7.e of White Shrimp Caught by Cast Nets With DilfeTent Mesll Sizes
By
J. David Whitaker 1am~ E. J mkiti Lawrence B. DeLancey
South Carolina Marine Resources Ctiiler Tedin;cal Report mo.her 77
South CardI:na WlldUrr: and Marine Raourws Department ?tb.rine Resourat DiWsion omce or Jlsbe.rles Manapmmt CrustKellll 'Ma:nqanmt Pnll Table of Contents
T1ab.le of ean-tm.ts ...... •• •t•• ...... ·*"· 1•••• •lli• ii·~· ii'"'''""' t11t-•+• •••-11• •lfi• .. § ·~
LI.a, iof' Tabla. •. ••••••••••••••••••••••••••• • 111 • •ti • 111i iti!i iio-1-til 1!1-141-1-t!I !!fol I I llfll l!llW l!!t-l~!l 1! 11411-t! !ll ii
Lia 1of :lil,p::.re:s ...... , ...... ,. i•. •i ••• iiii ilii ••• iii i iii itf 11!1 ••• tiit-iit>i iii iii l~.on ...... ,...... -...... * ••., .,...... •• • ••.• •• 1
~ illld Ml!C:bild$.~. ,•• •••,...... , ...... •lWI ••• •• ••••••• 2
Resull., ...... n• ...... ,••• ., ••• ., ••• .,•• • .,•• • .,... .-.. • .,.,• ••• .-...... or 4
~- ...... •1•• •it:• ••••• •m::-•!I!• ...... •m:•lel• ••••• -.w.-.!11•-. ... "'. •111 •i!i ...... i'lt-i ~d1tlons....,...... __. •••• ••l•• • ...... , ...... 15 A.ck:now~, !! •!!I•, ...... , ...... •••1•• ••• ..... lfi Utentu:n Cit.ed ~· l 11!!! Iii!!!!.,·~ · ...... ~--·*Ill! pl9l-• •• • r.m• ...... •mi • •••• ••• ••• •t:m• •• • 17 . List of 1Tables J. CatCh ·data obsel'l'ed rOI" ~ m ' s.miirii.i.ii!'•••••••tt••········,.·· 4 l. Mean numbet and standUd deviation of white shrimp obsel'ved per set or nlnf' alStl fo_r ea:dii llil!Sh liu...... ti• • .., ...... 11• •••••••• 11• ••• •1t1• •••191 . ·~.. 5 3. Total atdl ~ u weigbt imd number or whole shrimp per po&md ror lath !Id {9 Cil5b). •• •.. ••• •• ••• • •• .. • •• 8 4. By-Gtdl collNttd by each par (or the entire study. Siz~ range5· are sbc>wn u arapacie. 't'ldlh (crab), mande lm,gtb (squid), and total l~n&tfi (6nfi$h). • If .... &!t'a IHI a+.~ f il 6 fol fi-t I ...... e ... •• e ,...... 11..-e 11• e•e ••a•• a1' a aa a•a a• a •a a 11 ii List of Figur-es l . 1Stu:d)i i1e in .Alb.le)' RI. u ... •+• •· ••••••••·• •.+i••· •• ,.11, , ...... ,., .... •• ••• .... •• J 2~ Fr«Jvency or OttUnen~ ror catch nrb!ll (oumfltt pell' cut) ef bite •hrtmp ,obffrved for different mesh sms ..••••...... •m...... 6 3. While shrimp .slu cllstributions for tbrtt· mah mes. De yerticaJ~ daSbed lfute se~ usable be) unusable shrimps ..•• on ••n • ••• ' 4. Averqe l~nlfh of ~ &hrimp ror dift'ermt mesh sizes u 1~ for ea.ch mmplln1 date,...... ,, • •••• •••••••• fl ...... 10 5. Relatioosb1p ~ &vent# Jtn_gth of wbi.Ce lhrimp mbD in die 3/8-ln. gear for udl, 5let. and number ot shrimp caught by that par sbtnirn u • perttntqe or total catdl (peJ' set.) ro_r all gea:n mm.M.Iiecl19i i lf • • • • • • • • • • • •f t+I ii•• ••••••••••• l t l+4 •*• •• • •• •• • • ittfof I+••••• l4 iii Introduction l\maeid hriwp ha\'t beeq shrimp baldng, hmttlOrdl) has au b}' aast net In C08.Slal hie tmploJed f« numJ years in W8lerS al U. United Sbta: for South Carolina, a hat: oruy bemme pneratiQlg~ The rast ,cut nm popular AMUlly ('lbeiUDK,. 1988; 'WHtl blmd-lewn wit.II coUm twine Wmtz and ~"' 1.9D), Totall and later witlb D)'lnl'i. The.w mts naeatioml ad:cb or mr1mp 1n 1'H't osuallJ mmt:ruded of a U'73 ·wa1 ectimated W be about minJmal mesh me of about l!l~. 0.:53 mlllioo lb. (0..U mlfilon k&) 1 (ll.7-PUD) lfua:N IQSb. SmaDt.r (bl:a.U oro or· about 9.Sll pen:mt or mem mes required iudJ more 1fle c:mnmen:la'I b'IHIJ-caulbt ~an-.I d, llif.O)J e- t'_ --~ PrlMe- Jandinp 1(Cupb and McKem:le;. namJyi' (lllCtoTJ-mosb'ucted1 197.41~ ~ver 1 alkbn of white mQDolil•,.,. neUi ha,.i~ betome shrimp., &nacm Rtifmu. during 1JJ.e more commonly used nd+ the baking lalOllS have hem These netit CUJi Mi mMS procfoced computed to be ab!Mlt l .161 million In 1llmmt 11n1 she and are much Ibo. (0.53 miWon kl) (bead!l..on) lln ]IS.I npmslw lhlln the hand-RWD 1987, .75 mlllJon lb.. (0.34 miOiGa nets. Tboqb J/2..i:IJ. me.di nm kC} in 1988. &Del 0.80 million lb. an mm.man, lbr JIB-In~ (91.5-mm) (~ mllllo_n q)i.n D!Sl ~ 1quan mesh net has !become YHJ USS; Wala and Hen11, 1989; R. 'popular In atdtin& shrimp to be Low, llft'S· mmm.)i. White sbrim-J mmumed or. used as fishing bait. Uqbt by baiting in 1987 and Relltiveb little ' ~ ar-. 19.U :llDCOullted for m a.iimated :lllftllable OD shrimp :size Oil" atdJ. 29 ag_d. n pel"ttllt, rtip«ti\ltfJ' I Of ntes for cast iDeU of dlfferent die totd tu.nest of whJte sbrimp. m ma. Wmdwud (1989) The dramatic mtteue m lhrimp eamlned this In ,coastal, ~ addli by baiting lo lmban waters. but mm w01fl ha not been 1dom wh1icb llan ~ tli1idition&Dy ln Somh Carolina.. The on'Jy dosed to 1COJ111Derdal rrawlln,I., llw camparah'le data for 8oufb camed «uarD amoq manapn Cunllu wrN mllededl In a slud:y and enW-Onmmta.fistt,,, Tbqb of different m• siu!s mband manap:f'5, beUe.Te that recruiftnent ~ (M~ and WhhBlftr, 1overflstdq will not O!i:mJ' under 1980). cunut l.evtls al eaon. :mdl laws. Though die practke of tbe nste, ot raoun:e sboufd be atlndin& lhrimp wkh half and avd.cted. Tbeilinl (1981) reported ban~ wflh cast Dell ~nned di.t 13.8 peremt of die :dlrimp haiUn in 1987 used J/8-in. mesh die lcadl line. Sevenll meshes in nds, and mmt ol die remainder eatb net wen measvried1 .and littl~ ~ JJJ2-iD. m~ lfidS. In the ¥.ariahlllty WU found. 'We 1..9B9 shli'lmp baftln.l llshery ~ about. diKioffrH1 bowe'Vff'11 ddd l Results than i 001 llluimp per cut, 1he 112- ln. mesh ntt ~.f cauJht mo.re than 80 ihrimp per and die Waur ~during am, s1.s..1n. mah had .f':ew adcbet the survey nuwm ·from 1f1.l lO or 31.J"C and aillnity rtanpd from 11 mGclt' dMln p per cast (Fi&. l). Cafdl ptt llllft of effort WU - • · 16 ppt. The tota1 number or rovnd to be stpJDauttJy difffl'tnt ~ duimp Mllecied during the lkldy was 12,.074. Tbt overall amODt. the ~ pars ror bodl catdli l"8R far all pan: amblned -.eight (XI = 6.5; p .s 0.05) and nlllliher brimp (l.'2 17.. 0; p ,.. 37..31 rhrimp per cm. CatdJ or = data for adt mesh ibe .ue dlown ~ O.()J). in Tables I and .2. Thi 311-m. OYWall lize of white shrimp m Did fNljuentJy amght more expressed as 11umher per pound T le I .. Cltdl c1a1a ~t!d '°" eadl mesh sm. 11'8-101, 1/2;jo. 511-Jn. Total Numbf!1t s.m. 3,886 1,216 ("9.S"~) (32 .:!~) (18.ifililii) TDIWeigbt 13.8 lb. 65'..6 lh. SLS lb-.. (41.l~) (32.1~) (2'.7~) Averqe No. PH' SS.J 3'.0 io~ Cast (±30.9) (±Jl.0) (±IO.I) (Std. Dev.) A.... erqe Welgbt 7.0 OJ. !..! lb. ...,lb .. ... Pe:r Mm cam [email protected]) (13'-7..4) a.6-6.1) lltange) -s- Table 2 ~ Man DJ ber and standard ·~ or wllUe shrimp eoDed.ed per let or nine atsM for each mah !dze. MESH SIZE lll-in. ll'Hn. SJ&.in . .23· Au1. &ti .8!'.l:l:JL.5 3'.4±.U.5 11--3.±.J·.:I Set 2 38.7.±.24~9 !l.B±.17.8 11.1.:t.S.. 1 'Sept. Set 1 64..3.±)1.9 42.9.±.16.2 11.6±.8~ 8d2 60.B±Zl.O 411.7,:t..l.4 %3.8±."1A 1 Sept. Set 1 6S.7il1.'7 38.6±16.3 2&.'.±5"'1 Sd :2 ,,,0,f.21.0 45.2.±18 ..1 30.3±,9.1 11 Sept. Set :11. 38.l.±U.J 22.1,±:9.9 2-2.8±.4.91 Set 2 36.l±ll.t 47'~0.t.10.4 35.-4.±.IJ~ 12 Sept. Set 1 ll.3+7.6 10·.7..t.2.7 6• .7..±l.2 Set 2 301.7±14.2 31.l±J0.3 12.0.±8.7 13 .Sept. Set 1 43·.J.±.ll .I 31.6,±.16.6 14.l::t,7.• Setl 110J.2.±.l9.9 28.1.::t.11.0 22.,.±J.01 -6- 21 -CD '°ell 0 112-NCH MESH -0 >. () c G) :II er CD ~ lL so- 4CI- 51)- BO- 7·0- IO- • 100- 110- Qt>- uo " q ~ u N u • • m m • MUM8ER SMAUIP PER CA.IT Al· l. Frequency of~ for aitm l'flCt!il (ftUDlber ~t talfl of whlle lluimp obtiened for diffeftllt mesh Illes. -7- was 71..Z, SL9:, aa.d 40. 7 for die animals wen cn.'b,, CaDln,,,.,. 318,, 11'2. and 518-!n,. meshes, spp.~ sa mtrada,, Adopls Mii n:spedi.elf (fable J). MultipJying and! BllB madam; and silYer heads-ca count by the .tt.andard petth, lalrdidl• cbgmn. Tiie cmvenian factor for wtllte :shrimp 111-in. mah al:ptm'ld 28.f penznt (1.54). pn;vldes Hlimata or uo. of the b7..adch 1(by numbt.l')', thin '11, and 0 tar beacJ.s,..ofr ClOWlll.1. IJJ..ID. lllMh aptund 15.3 peru:nt /.'Ventp leDJfh ~d ..,.td and die :518-in ~ mah capliUl'tid IS.I del'ladon ror 1111 shrimp combined pHttld. for eacb par was 19.• .:I:. 19.9 PUP O/B-ID. mesh}, 101.7 ± 17.B mm (1J.J..lii.mf.Sh} 1 od 109.8 ±. ll.6:.$ mm 1(5Jl...in. metb). Mean le._ldu WfN lllplllkantly dlfrettnt ror- tfle Discussion three mesh sizes ~ - 19.0l, P ~ 10.0S). Len&th r~ 1d.lltr.lbutkias for p coUeded We are a.watt 011onl}' one 11)1 thi dini!l pAJJ'S 5liow mndd at adler stud7 tllllt llas eumfued 'tl..SO mm (311411.)~ 101·110 mm 1hrimp catdlel :by caa nm Wili (112-f.n.) 111 md Ul-120 mm 1{5/8-hl.) dlf'l'ttem liU!Sb 1iul. Woodward 1{f'i~ 31,~ A;$tumin1 thld: 5brimp s (1'8P) used 114-in... 31&.fn.t and 90 TL an uma'bJe (&001small 112-ln. mMb 1tH: .. in Geo:rata for rooc1 prepantion). 54.2 pen.ieot tu capture whife shrimp. {!Adln1 or die dlrimp aupt with the 31.S-. wilbam 11$.it., le nwqld 12 - 14 In. mm, 24.J percent f!rom u.c oz. of wliole shrimp per 10 casts lfl~., dd. md U.1 ~ from .a · ampared to 1.1 - UA m. pet' the !/,I-In. mesh WHe unusa'ble·~ Anale cut Oftt' bait in fJQ:t liludJ'• Ca1dl1n1a 1(shrimp per C85t) of "lllou&b 'Ye lllW 8 ltadJdcally usable rimp were 2'..0 (311-ln.). dplbamt d.Ufere-..~ am(IOI CMdJ 26..t (1/.J.ilt.} anti 18.4 (518-in~)~ rates (weipts) of shrimp for OBI' Avenge lmgl& or shrimp CllUgb1 dlrrerm.t mr.sb sizes, Woodward witb die 518--in. mesh appeared to saw none.. Woodward, bowvwtl lncn:ase dwin.I the srody, hut round .ltMistiJ!lill, 1ipiliamt d:len: WU las O¥enll dumge In dllrettna.s In duinlp she aman1 the rth:ree •.--.a. .... ~ fM sllrimp eauc1ll b.J' lhe aean~. A otMt IWO pmt. CFll· 1f). comparisoa of aTerqe flenadg and Total by-atdll consisted or b.eadi-m COUllU fbr the t1fO JS iAcfiriduals from 101 hm (Table lllvdift! lhaw'i laqer dlffeftllcel 4). The IDG6i keque:nOJ a]lftlRd betwflen lll and "112-tn. mesh nets -.s- '.hble J, Total ~ apfltSl!ed. u wd&bt a11d ~ Ol "bok Aiiilllp J*" Jlffnd ror mdiitt 0lmm)1 ESB IZ 3J'l:ig. l(kll. ~I 8-le lb• ..-. N.o..J .,_ No.J llt.9 ND1ol Jb:. a. lb. OL •• Aq. 6-U Ht.A J..IJ M.O 1·1 17.2 2l 5-! '5.J '1.JJ U.1 M 45.1 Sept. 5-1:5 Kt: ,.,, !l.7 ~j ..,, ' '7·1 77.;5 y . '77.5 ,,... 4o.t Sepl.. 1:.z ll.JI! M 19.4 5-2 50.7 7 t-2 15+0 7.5 .SS.1 ,M e .1 Sept. 6.-.llt.5 74.1 4-U 40.3 ~l 411.5 11 6-9 4'1'_!; T-7 56.9 a.:z JP.J SeJ!I.. 3-t 8+1 l-15 .ft.S J4 Jl.. 4 12 4-7 '1.l u 50.5 u G~11 ~pt. 7-5 5l.3 ,]a)j, 75.7 2IU lJ " 1.. u 15.9 S-1.t .U.t '-J 3" Tobi U.13 54-1 Man 74 7l.i ""'°H , .!1.9 H &:7 -~- - .,. IQ II llD 1110 1il:I 1I01 L. IE 1N G T Iii OIM) J,. WbJte1 c p me dbtrfbudom far three ml!lla sizer.. nit vertical, da*d liDe 1e(MU'lllet mah~ and anmable duimJ& -lG- ... , c:::::::J liU - = a.t II -~ .. S.tl -.c -CD c m ...JI 4. An111p lenatll of white lluimp for clitreuat mah II.us u deWmlned roe- each 1U11plln1, date. -tl- T•., 4, Br-ardl coUtttul bf eacil aear for the enrtre 11uc1.7. Sbie ranpa: u-c--. a ...... ·-(cnb), _.. - '-· .... o.w - (n.tloO). ::...... 5111: .... cg J ?et111--·- ..... - ...... "'_ J ~,...s...... 1mr..m..~Ulftla ,,_ "- ..---mlellil · "'-lo• ... Ct!lbtrun almlla. ._lllw ,,...... ,.,. .. trnll• ...w ...... 1/ 2.-1.ncb ~fftll • Qi!!jwtw ...... O'. IU.ltl •• • Ctljersto ...'- W.. J 1111:1..m.. ~-- -Jl•I•- - J ~cm.:...... ,..,_ J M.a&a.S.C!MM ...,._ ' ...... ~~ INI- fa +11m,.w..., ,,_ s.&..ladl 8-.ledi J 69:11111 ...... _, ...... ,...... _ '-1 ..... ~ ...... &lalldll. Ck!Da. .,,_ "'° u . •+·•• llndl• ..., ...... ·- -u- e:ftllio&,, ~. the· 311-ln. mMh 1caqbt ~10 pnomt of'tile shrimp MESHSl7ES iakt.n. Thbi ngcst:I dial 1M J/1- l/4 34 l.11 511 iin. mesh woul'd be much more We SC GA SC GA SC GA.st dtstJvcth:e (caphu'e more unusable Mm 1!...e11P11 11 - D It M lM - w s_brlmp) dwl 'the other pm wb:m, pgD rimp ue a'bllndani.. The ._.._ 3Jl..i'.D. mesh, fi5'led areas ~ 145 - II 71 '7l D - 41 dominated l)y larp shrim~ would ,cakb about lhe same quantlq as l&qer..mesil DdS. 1boqb ·~ l1eqlh _\tall eqwd We ddlned usable .d1rimp 11 lD both ltudiN for Che 318 • dlose equal tool' !less thm 90 mesh, die .ov-H"lll rount wu !low-« TL (about 1'4> mils pl':I' pound). South Carolina, indkatinl Although we rftlO&DlH th!Jt some poerallf largel' shrimp. .A people retain and use shrimp powblt uplanafion nay be that unaller than 90 mm, we 'believe mudt or the sampllq ,etJort jq tmt tbis is a reasonable dze to use Georlba WU modudecJ in creeks', ift distin.pisbln1 mablt md wheras all or tbe work in South unmahle dlriinp. U-thk Oarolina WAS' donl an bank of Ill scheme~ the 112-ln. md J/.a..t1i.. river. Samplln& ln an arg nm ·t:au&ht nearly Identical _ domldated b)' ADall rimp could q,wnthies of usable shrim1» Tills result In a lh1,&htt cmmt than m.c"8IQ: that 10DJ the afffalt, 29 wnplin& in a body or wat-er w'MN um1sable Sbr.imp, were caqht on we~ lhrlmp ~ relativelJ' • um am with th~ 311-in. m~ abvndanL Tiiis ~ " ClCllDJlU'td to1' with the 112-ln., Ulustnted • FiR• 5 mwhich mt:l1d mah and aal)' 2 with die !/'4o. len,pb, ror s.brimp ~opt with the mem~ Tht 11~.. mem n.«. did JJl-in. mall net for am set ii not Jose any mab1e shrimp. but platted •p•nst that. lfJll"'!f lbei S/J-ig I maa net appillll't!d to (O(ltribution to to4lll alCh (u.c.1 lose about .8 shrimp per cas&. (JI. 1D11111Kr In all 1ean combined ro.r pie-.- cent). Woodwar-d {1989) used that set).. When laip ditimp ..-ere BO mm1u the cridca1 point presmt ID tht wnplifll area ~I mDJe and .mlD&bJe WmlDlina ihal catch in die JfS..m. :dllimp. Compulag 'OW' m.. with mesh WU lJJdialtive of what WU the ame 111brf.A'k poim.. (f,01mm), pH:SeD(), eKh pal' ~ptured dlie JIJ.ia, mall in Gt!oJ'l,ia rGU:&hiJ 1/3 Of thf shrimp OD dud. produml rdaliv,elJ more uahle evailna- When small -hrimp were Shrimp. but ab Ill-hi. mesh Ddl mON abundant on • llftD - l3 - had .simiJar ratiM of unU511hle to Our ~ults .are comparable us::ablr :!fnimp .In dte two states: to those of Whitaker and Wen.nu· (1Jf7) who s.bowed that b1·-cidd1 MESH Sl:ZE the lhri.mp baiting fisbery Is JWe, Jfl-jm, Ymmh b)·takh unmibllJ llllll1ilt ~ .. .mm__mat. ohsrned lin llli.r- 1989 SUl"\'ff of shrimp balten also was mtn.tmlll (R.. pc~ ,. Solllfl Lowt comm.). Ab:holJg'b C'mlU.. • Ii A ~ U • D S dlfl'e:rena:s Jn Jatltnde .llnd ~ species assemb]qes may 1e:mt Mc.Kel1~e pd Whimuv betWttn tbr nm stares, 'WMdward (1980r) observed that 64.8 pa"'Cellt (1989)j lhacl higher catch nda of of thei white shrimp ceqb.t In a nDtbh In Georg\11 than. were found llJ-in. mah seine cormr~ of m dll~ study. w~ au1ht 0~~5 multililament nylon netlillg were (ll84n. mah) and 0.09 (112..ln. Jes!! tb1111 80 mm and ·t:JiU ooll)' muh) fitirtSb per CilSt while the U,.J ptttlCllt au1ht . ltb1o 51.S.ln~ same 1e11.n in ~la produrzd 1 mesh selnieo wefie lle 121> y I --0.867(X) • 1H 110 R "'·0.8f0 I- :;c. 100 ~ C!I z 0 W I D -' z I) c '90 W ' :2 0 SD to JO 40 iiCI IO 1ili PERCENT 10F TOTAl CATCH 5. Relatiomhip ~JI al'erap len&tb 1of wb_it« lhrimp talm in the JJ&-tnJ par for ea.ch Rt andl number or shrimp caulfLl b:)' di.at gear shown u • perantage of total catch (per Ht) for all pars aim'MMd. - 15 - protecting tnlaD shrimp are in. could result in more eftldent q,UdtionabJe. Chanc:a, of a gifffi utllimiiail ,of die raourc:e. More Individual las than 10 mm effort would be Rquired b1 • cootrihutiq to eltlbel' 111 ~DAI :thrlmper UJ catc:'b Ibis ll"fG'etdlo:nal or eommudal llsbHy lepJ timit it be is &hin1 in a have been 1oomldrred small.. 81'ai wfltte small shrimp UC Bowenr, the larp ~ In common. but the ovenll quality etfort .imd Che hl&hJY effed:he (sm) of hit brimp would be m1ture of Ille hllklna ftshel'J Improved. AJlbovab reaeatio:nal ttqulml II re-enminstion of die shrimpen pn(er to rq1i in areas iSJue.. Fo:r areas, other ttum lower wllere larl.e i!hri.mp ue abundant. ttathe!I ol laqe estmlriu wllen the :inuasbq: effort and la~ !dutmp uaUy greatly co:mpdltlon ror lldllq space ~ outnumber mudl hrimp, large undoubtedl7 roree many quantities or mulll shrimp afie flsherme.n; most of ~ use 31~ wlnenhle to heavy Cti1Jq dfort iD. me5h. into arem whHfl small with J/1-m. mesh nets. Before th~ sbrJmp, are common. · populartzatioo of shrimp bailing. Thoutb we did IKli. enmlne the ,~ and wut.e of small esb sizes and catch dm fOI' shrimp by c:mt-nettinz was brown Shrimp, E,. QZllCll5'1 in Ibis prababJy lnronsequentia'I, hut we study.. we believe the nsults. wtMlld t die w.mi of small shrimp also ~ 9])ply ao that can now be signitkanL 11te 1~ The two sped are eull1n1 effed or blrpr-me5h nets similar morpb_ologlcaDy with could posstbly ad to d1iD lhe scock !brown mrimp beful bt.IJ mor,e sufDdemty· to allow :sun-Mng TObust 1l!ian white shrimp of die 1mall shrimp mo:re space and wne length. Brown shrimp do rood. Thb,. . turn,, could result not appear to be as vulnttable to in gm.fer Uowtb rates and, .s baJtin1 u white shrimp and much rlmp become. largerI natw'aJ or the m:rational fhbery [OI" mortality ~ would probabl1 brown mnmp amtlnues to be declin~. TM release of All!lll pl'05eCUted In the tidal creeks shrimp could alse> btnent whete small .dlirimp1are abundant. import8nt pttdators ·Neb u Rounder, Panlidrtbu ~hostilitJDa; spotted ~t, Cmosclon Recommendations w:t:tlWl!!US; and nd drum, Sdaenom ooella&a. B these ·we brUeve that the 318-in. umpliou a:re correct. then mesh should be banned in the bannln1 mesh ~dza I than lll ' hrimp baitinl rl!h.ery and ll - 16- minimUJ:QJ mesib size of 112 In ~ lbe Anodler aftema11 'Ii ·wooJ'dl be adopted. Our stud.)' i.ruli.arm ilha'l restridin1 sbie of nets witb :a me$b the 112-in. mesh~ effective in size or IKs dJao 112 il'.n. to a :radius mlledinJ: s.hrirnp of 1 sbe (l - 4 of 4 ar 5 ft. This. would limit most m.) dJat u· prieferred as ball by or their me to Uve bait eut.1n1 or fintlm lishHJDm. 'Ibis bl!fug ·tbe agtiq without blliL lmndin1 case, we think a 112:-ln. mesh me the baldq RUOllJ lattt into lht WIJuld be ~bte for dJ.e entire year OI' only •O:penlll,I die baldo1 yar.. It a minimum mesh size law semon afltt most sbrmq, have is adopted~ drftmper:t and retailers R!tlchedl 111 mahJe siz« are Should be pen tWo to tour yean addltionld altemalives •. le) plum: ·otd. tdltinJ Ii~ 8:Dd inventories before 11 lb.Im, would be 1tnforttd. Foil' indi·.-idwds 1hat Acknowledgements de9re laqu lhrlm:p. the 518-in .. mt&& i5 -vtt.Y i!ff"~t· .and may We wish to lhmlk M. actually increase total caUb bcctuse !It spreads betieJ' whl'n BII'OQker, "'ho be!ped in the Oeld studirs.. l\re also appfttiate lh11 thrown and ilnb tser dJan :tmalltr-mab nm• . bdpf!.'.d nwieWJ or the manllSCript lby C. Barden, M. Camm, D. If it b impossible to C\:l:pka, R. Low~ and D. Tbe1ltq. eliminiQ llie$h ~•~e5I•than112 m.~ an alternative may be to rmtrid. ~ nl!tlin& in 8'1"'Q.5 whe:te· miall shrimp ue common. 1'lhb rtl:rategJ las desirable because dlstrD>DliOm of small shrirnp am dump from year co year and man.ces Jn hyd'roloai~ conditions am f.on:e :smllll :lbrtm.p Into llhe Lowr tt':llthes of ~ where larger ill:rimp ue no:rmalJy round~ Clorun of areas when mmll .shrimp aft usually abUlld:ant nlril:.f idso blUrfere rib the aptuni ot .m.rimp to be used u fisbha.it.. ln.dfloid.uak who do not own a boat and CIU1 from dir bank l(l()UM also be eYereb restrkledl lo, their .blln't&t or duimp. Literature Cited CaJb~ D.M. and M.O .. M'clCerirde. 19"4. &ndb CUolbla11 naeatioaal 1s'hrimp ftsbeey. &Mith Cllrollmi Marini! R.lsau:rcM Cemff. Cbarllllton, SC. lJnpuh. Ml ~ Mc&mzte. M.D.~ (edieod Ull ~ Pndlte of the peudd lhrimp ftlha,' iin the Soutb Mtanlk:. South AiJandc Fishery Manapmem Coundl. CJwteston. SC. Mr.KmzJe .. M.D. and J. D4 Wbbku~ 19'80. A aHDp11radtft! ltudJ ol 5krim.p .... and sehdlvitj or V'U'lam mm dzt:.t. :Eucutln SmJonaq.. South Carolina Marine R.esourm Center·., Cha1'11eston. SC-. 1bellln1 , D. UIS. ~ or puticipatim 8iid l"lllDVlU Qnpia of dllimp ·u111n1 In ClOUta1 South Oaro1Jna durlna lff7. South CaroUna MariDe ~ Cmrer Tech., Rep. Mo. '9. 41 ppi. Walti:, W. and B. Bms. 1989. Suney oI lb~ 8clulb Camlina bd: lbl'lmp rimery~ 1988. Soalh Caldb Marine Resoun.-:a Centu·.. Tech.. Rep. o. 7ll. 43 pp. Whitd:e:r, J.D. lld E..L Wllm.eJ'. Ull. Spede.t ilDd sm eomptdioo ,of ftnMV;t lakH by ~I Sooth Caronna 1atuules., Soutll CamUn.. Marine Jlesoun.'d Center. ~ . SC .. lhipub., Ms. Woo1hn11~d. A.G •• J,919. EfJlds. rOf ID~ on die «llll,Pmitiod fldd qDlllllilJ" ,o:f Whitt :shrimp lmd ftnftlh caupt db the cut m:t, Jn Gearzla'I estuarioe ~N~ GeMlill :ONR., Coast. RM. Db·. CCm&rib. Sff.. No~ .U. J7 pp. -le- A~ A. ]\~ !If while lluhp ror eadl lhroW' ti a Cillt Dd:. MESH SIZE ..... l!Ur. laJi. lJ S. 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