The Pelagic Fisheries Resources of Kanyakumari District, Tamil Nadu
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The Pelagic Fisheries Resou rces of Kanyakumari District, Tamil Nadu, South India* S . Lazarus and J. J . J oel'- Vizhinjam Research Cent:e of Cen lral Marine Fisheries Research Institute, Vizhinjam ABSTRACT west monsoon (June) and extends up to the end of the northeast mons oon, K~nyakuma ri district has a 67 .59 km (December). coastline comprising 43 fishing villages w ith a total f ishermen population of The important fishing craft and gear about 0.15 million of which about one in the district, sea sonal and reg ional. t hird is actually engaged in fishing. var iations of the fishery, important· The average annual pelagic fish landing species exploited, and disposal, utili of the district is about 19,8 51 ton ne s, zation and marketing of th e catches about 50% of w hich being clupeoids. are briefly described. The fishery' The other important groups contribnting potential of this area i neluding the to t he f ishery are carangids (19% ) and productivity of the Wadge Ba nk an d trich iuri ds ( 17% ). Scombroids account the different methods suggested for the for 11 % and whitefi sh, filefish, dolphin exploitation of the immense wealth of fish, barracuda. grey mullet, halfbeak this are a are rev iewed. The existing and garfish toget her form about 3%. facilities for the fishermen labour are Pel agic fish form the dominant catch noted, further needs discussed and (about 90% ) o f the total landings on suggestions given for the fisheries the coa st. Boat seine, drift net, gill development of the area. net, hooks and line and Katchal bring 98% of me district's pelag ic fi sh catch INTRODUCTION and the rest of the quantity is by shore Kanyakumari district (lat. between seine. The mai n fishin g se ason com 8 ° 5' and 8° 21 ' N and long, between mences w ith the onset of the south- 77° 6' and 77° 34' E) is situated on the southern extremity of the Indian penin • A n abstract o f this paper has been sula and has a coa!\!line of 67.59 km published (Abstract No . 30) in the e<tending from Ca pe '€<omorin to Vat Symp. Pelag. fish. resour., CMFRI, t akottai on the eastcost and from Cape Cochin -18 by the senior autho r. comorin to Neerodi on the westcoasl' •• Present Address: M angalore Re searc h (Fig. 1). The inshore ar ea is sandy Centre of CM FRI, Mangalore-l strewn with rocky beds here and there. Nlay, 1979 33) Polikarai, 34) Kesavanputhenthurai. :;< ji1':C' 35) Puthenthura;, 36) Pallam, 37) :oR Melamanakudi, 38) Keezhamanakudi. n~_c 3 39) Kovalam. 40) Cape Comorin. .. ...---... ,. 41) Chinnamuttom, 42) Leepuram • 43) Vattakottai. The Kuzhithurai, Valliyar and Pazhayar rivers join the sea on the westcoas! of this district. It receives the two monsoons. the southwest (June·Septem ber) and the nort heast (September December), There are 43 fishing villages with a total population of about 0 ,15 million census) of whom about V~lIi r i ~r (1971 one third is actually engaged in fishing. Cape Comorin, Muttom, Kadia patnam. Colachel, Enayamputhenthen· thurai and Thoothoor are the important fishing centres, The fishery of this district was dealt with by Chacko and George (1958) and Padmanaban (1966) and the fishery of Cepe Comorin by Chacko et 81 (1967). The present report for the period. 1969-71 is more in the ~ G'l l>c >? ...... _. from of a supplement to the above z' z-" o , reports but limiting itself to the pelagic ::o:r- ~ 8.20 fisheries, besides highlighting interestin" informations not dealt w ith before. Fig. 1. KANYAKUMARI DISTRICT. The recent findings of the Pelagic Fishery Pro ject have revealed the high FISHING VILLAG ES fi5hery pc:ential of this region. The 1) Neerodi, 2) Marthandanthurai, existing facilities for the fishing labour 3) Vallavilai, 4) Iraviputhanthura;, in the district are encouraging though 5) Chinnathurai I. 6) Thoothoor, requirements are still more V'lthich ar& 7) Poothurai, 8) Eramanathurai, 9) Then' pointed out in this paper. ngapattinam, 10) Ramanthurai. 111 Enayamputhenthurai, 12) Enayamchinna MATERIAL AN D METHODS thurai, 13) Enayam, 14) Melamidalam, The fishery data collected during 15) Chinnathurai II, 16) Naduthurai, the period, 1969-71 by the Fishery 17) Keezhamidalam, 18) Kurumpanai, Data Centre of the Central Marine 19) Vaniakkudi, 20) Kodimunai. 21) Fisheries Research Institute adopting' Colachel, 22) Kottilpadu, 23) Puthoor, the stratified multi-stage sampling design, 24) Peri avila;' 25) Chinnavilai, 26) (Banerji. 1971; Banerji and Chakraborty, Kadiyapattanam. 27) Muttom, 28) Mela 1972; Kutty et al. 1973) from the basis hurai, 29) Pillathoppu, 30) Azhikkal. of this account. Statistics and other 31) Rajakkamangalam, 32) Peri akadu, particulars relating to the fishermen 10 Seafood Export Journa population, craft, gear etc. were obtained the average being 19,850.92 metric tons through the courtesy of Tamil Nadu From the estimated monthly pelagic State Fisheries Department at nagercoil catches (Fig. 2) it is evident that the and Colachel and the Indo-Belgian year 1971 was more productive than 1969 and 1970. Clupeoids formed the Project at Muttom and they pertain to major catch (50.8%) and the other. the end period of the present report. groups in the order of abundance were' The particulars discussed under the carangids, trichiurids, scombroids and subtitles, 'Exist ing Facilities' and ' Further others (Fig. 3). Requirements-Concluding Remarks ' re l ate to the year p.nding 1977. The 98% of the district'S pelagic catch' stretch of 9.59 km of the district from was rea lised by other units and their Cape Comorin to Vatlakatlei is referred CPUE together for the study period to as easicoast and that from Cape varied from 1.2 to 171.6 kg with the· Comorin to Neerodi (58.00 km) as west mean value at 28.1 kg. The main craft coast. The catch per ur,it effort (C PU E) employed was the raft type catamaran was estimated separately for shoreseines (Bal and Banerjee, 1971; Nair. 1958) . and collectively fa, all other gear types Mechanised catamarans, doris boats and (boat seine, drift r.et, gill net. hooks plank-built and dug-out canoes were and line and Kachal) designated herein the less important crafts. Only 2% of as 'other units' for all discussions. the catch was landed by shore seines The pelagic fishes are discussed under five broad groups: 1. Clupeoids (forms 44 of the order Clupeiformes), 2. Carang ids, 42 d . Trichiurids and 4. Scambroids 40 -- 1969 (forms of their respective families, 3.9 ------1970 namely, Carangidae, Trichiuridae and 3. -1911 ~ 34 Scambridae) and 5. others, designated ... 32 herein is for further reference to the Z 30 collective miscellaney of whitefish ~ 29 .. (Lactar;us) , filefishes (Odonus, Suffla t- 2. \ .. "\, men, Pseudobal;stes), dolphinfishes c Z4 ,, ~ 22 ,, (Coryphaena) barracudas (Sphyraena), 020 , z , grey mullets (Mug;I), halfbeaks (Hewir " 19 , hamphu;) and garfishes (8elone). Pa rt "16 of the brief note dealing w ith Wadge 2. 14 , Bank shall be viewed as parenthetical 12 f 10 : since it ca nnot come under pelagic fishery. ·4:Lf~~~"" t __ ~~~~".;;'_ ..~.,_ ..~!~ "J __ ~ __ _ SOME GENERAL ASPECTS OF J FMAMJJASOND THE PELAGIC FISHERIES IN THE DISTRICT The annual pelagic fish landings Fig . 2. Est imated monthly pelagic fist.. of this district were estimated to range landings. at Kanyakumari dist- from 16,991.16 to 21,838.75 metric rict for the years 1969, 1970' tons based on 'he three years' data, and 1971. May, 1979 11 -eT al (1972) brings appreciable quant "70 ities of nutrients to the surface layers resulting in the heavy growth of planktonic organism w nich subseq uently spreads seaward with the surface currents. This might be the reason for the appearance of fish shoals in the coastal waters soon after the monsoon. More informations on the seasonat Variations of important groups are I' 71 available in Table 4 . ~ Trichiu rids, le sser saradines, caran OTHE'S.. """ gids and wolfherrings (Chirocentridae) • T. IC HIURIDS wefe landed in large quantities along .... C LUPEOIO S the eastcoast. Whitebaits (Stolephuus) SCONSJtGItIS and scombroids w ere the dominant I catches of the westcoast. Oil sardine. Hilsa. tunas. mackerel. Coryphaena. Sphyraena. Mugil. filefishes. halfbeaks Fig. 3. Group-wise contribution to the an_d garfishes were not recorded from pelagic fishery of Kanyakumari the eastcoasl. It may be of biological district for the years 1969. importance that juveniles of the Indian 1970 and 1971. mackerel. Rastrel/iger kanagurta ranging in total length 5-13 cm were encountered which realised a CPUE of 11.3 to 194 kg in bo.t seine and shore seine in large (mean 62 kg). Th e principal gear used numbers during June-July of all three for shore se ine was plank-built or years. Bulk catches of seerfishes land ed dug-out canoe. The operation of shore at Colachel and whitefish at Multom seine was confined be tween Kadia might indicate their concentrations in patnam and Neetodi because of the specific grounds off these centres. rock·free coastline. The Kachal described The- difference in rhe magnitude of by Bennet (1967) was t he gear operated catch composition of speci es between exclusively for the filefishes. Odonus the two coasts is given in Table 3. and Sufflamen. The detai Is about the important crahs and gears are given SPECIES EXPLOITED in Tables 1 and 2 respectively. The informations on species t::x plaited including other species recored. SEASONAL AND REGIONAL percentage in total pelagic catch. period VARIATIONS of occurrence, important fishing region s. Although pelagic fi shery operated gears employed and price range ap throughout the year.