Feeding preferences of Scomber japonicus in the Canary Islands areaReport as inadecuate




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Colaborador: Santana-del-Pino, Angelo

Materias : CaballaPecesCanariasAlimentación

Fecha de publicación : 1995

Fecha de depósito: 8-oct-2009

ISBN : 2148358

Tipo de documento: Artículo

En : Scientia Marina. v. 59 3-4, pp. 325-333





Author: Castro, J.J.

Source: https://acceda.ulpgc.es


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Feeding preferences of Scomber japonicus in the Canary Islands area* J.J.
CASTRO and A.
SANTANA DEL PINO SIJMMAKY: Analysis oí the stornacli contents «f 721 .;peciiiien- ot Scot ihc,i cipoi ir^ 11s -how- a Seeding preterence for tliree different items; copepods.
niysids and fish.
This feediiig prelei-erice i - influrnced by habitat.
sensorial fluctuation- of the av:iilable food and the behavioural pattern of the prey species.
The irripoi-riiiiceof niysids in the diet of nnmature - by habitat.
On the other hand, iuid iiiluli Si-li.
iii coirtpari-uii witli tlicir- inipoitaiice to juveiiile-, -how d i f I r e i i ~ c c iu-ed fi4i are caten, alrnost exclusively.
diiring [he first two quartei-9 oftlie ytnr.
S[.onr-wi-~ - M U I I I ihows .
U S a predation oii thij itein coritlitioried by the period of iiiaxiinal ahundance of try in tlie al-ea.
Fijh niay tred o n -warms of rnysids taking ;itlv:iritay of tlirir po-itive phototactic reiporise io wcak liglit -mi-ces.
Iusi ii- piirw -eiiier- U X light to lure inackerel ;it iiiylit Thi- would cxplnin the differerices in tlie abundarice oíiiiy-idi hetwt.cn tlie -toiiisch contents of cliub iiiacherel 2nd diita troiii -ninpling progr;iin- of -ooplanktoii iri tlie a m i .
Tlicre are wriie a-pect-.
lio-i.cver.
tliat still i-eniaiii iirisol- cd. El esiudio de lo.; coiiteiiidos KESIJMEN: PKLFEKENCIAS I K O ~ I C A S[)F.
S ( .
~ , M H LJ.-PONI(( K 5 r1 - ;I 45 I I L C - - - K I - - c-toiiiaciilt.- de 72 1 individuo- dc Si oni-)ci-;u~ otiii~i~.s iridica una po-ihlc afiiiidiid trcitica Iiaci;i deterriiinsdas presii.
Esta iifiriidad ? - t i irilliienciada por el Iiáhitnt, In componente eiiac~oiialdel aliiiieiitci ) cl piitrtiri (le coiiiportainierito de la- piesi-.
1.n iinportnncia de lo.; rni-itláceos para los individuo- iiiiniiduro- y atl~ilto-.cii coriiparación con los juveniles. 1-etlqari iinii difercnci;~establecida por el hábitat.
Por otro lado.
la presencia dr lo- pece-.
de toi-rnn casi exclu-ivn. duraiite lo- tl»...






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