@article{Bitter-Soto_Rivas-Suarez_2021, title={Micromoluscos del contenido estomacal de asteroideos del género Astropecten: Origen de una colección de referencia: Micromolluscs of the stomach conten to fasteroids genus Astropecten: Origin of reference collection}, volume={55}, url={https://produccioncientificaluz.org/index.php/boletin/article/view/36144}, DOI={10.5281/zenodo.5027646}, abstractNote={<p><span id="page25R_mcid26" class="markedContent"><span dir="ltr" style="left: 95.84px; top: 510.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.843511);">Se analizó el contenido estomacal de 1.530 asteroideos del género </span><span dir="ltr" style="left: 612.567px; top: 510.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.893393);">Astropecten</span><span dir="ltr" style="left: 700.2px; top: 510.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.925399);">: </span><span dir="ltr" style="left: 72.6px; top: 532.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.911376);">A. brasiliensis, A. </span><span dir="ltr" style="left: 219.033px; top: 532.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.977125);">cf </span><span dir="ltr" style="left: 242.083px; top: 532.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.943332);">articulatus </span><span dir="ltr" style="left: 330.083px; top: 532.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.935972);">y </span><span dir="ltr" style="left: 347.683px; top: 532.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.909196);">A. mar</span><span dir="ltr" style="left: 401.717px; top: 532.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.908152);">ginatus </span><span dir="ltr" style="left: 464.117px; top: 532.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.878891);">colectados en la zona de golfo </span><span dir="ltr" style="left: 72.6px; top: 553.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.837485);">Triste, ensenada extensa de la costa centro</span><span dir="ltr" style="left: 397.117px; top: 553.558px; font-size: 18.4px; font-family: sans-serif;">-</span><span dir="ltr" style="left: 403.117px; top: 553.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.877463);">occidental de </span><span dir="ltr" style="left: 509.517px; top: 553.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.873633);">Venezuela. </span><span dir="ltr" style="left: 595.567px; top: 553.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.844997);">De un total de </span><span dir="ltr" style="left: 72.6px; top: 574.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.879038);">8000 ejemplares separados, se ide</span><span dir="ltr" style="left: 324.683px; top: 574.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.913955);">ntificaron 80 especies de micro</span><span dir="ltr" style="left: 556.567px; top: 574.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.875521);">moluscos agrupadas </span><span dir="ltr" style="left: 72.6px; top: 595.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.901856);">en 34 familias: gasterópodos (20), bivalvos (13) y escafópodos (01). Estos ejemplares </span><span dir="ltr" style="left: 72.6px; top: 617.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.911025);">una vez identificados fueron contados y medidos, luego constituyeron la base de una </span><span dir="ltr" style="left: 72.6px; top: 638.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.853821);">colección de referencia de micromoluscos, única en el occidente de </span><span dir="ltr" style="left: 589.367px; top: 638.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.873633);">Venezuela. </span><span dir="ltr" style="left: 674.767px; top: 638.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.900432);">Con </span><span dir="ltr" style="left: 72.6px; top: 659.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.858311);">base en el número de especies, las familias más diversas de gasterópodos fueron: </span><span dir="ltr" style="left: 72.6px; top: 681.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.926834);">Turridae (13 spp.), Pyramidellidae (6</span><span dir="ltr" style="left: 354.283px; top: 681.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.952535);">spp.), Vitrinellidae (5</span><span dir="ltr" style="left: 519.117px; top: 681.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.942953);">spp.) y Olividae (4</span><span dir="ltr" style="left: 664.567px; top: 681.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.883127);">spp.). </span><span dir="ltr" style="left: 72.6px; top: 702.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.876446);">Las familias de bivalvos más abundantes fueron: </span><span dir="ltr" style="left: 456.117px; top: 702.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.882113);">Veneridae </span><span dir="ltr" style="left: 536.517px; top: 702.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.945389);">(5</span><span dir="ltr" style="left: 559.367px; top: 702.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.878249);">spp.), Lu</span><span dir="ltr" style="left: 635.767px; top: 702.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89235);">cinidae y </span><span dir="ltr" style="left: 72.6px; top: 723.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.885128);">Nuculanidae (3 spp. c/u). Entre los gasterópodos la especie más abundante fue </span><span dir="ltr" style="left: 652.567px; top: 723.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.964061);">Finella </span><span dir="ltr" style="left: 72.6px; top: 744.808px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.932741);">dubia</span><span dir="ltr" style="left: 114.64px; top: 744.808px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.905175);">, mientras que el resto de los gasterópodos representó el 20%. Entre los </span><span dir="ltr" style="left: 72.6px; top: 766.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.932716);">bivalvos, </span><span dir="ltr" style="left: 146.84px; top: 766.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.936384);">Varicorbula operculata </span><span dir="ltr" style="left: 330.283px; top: 766.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.86186);">fue la especie más abundante (9%). Globalmente </span><span dir="ltr" style="left: 72.6px; top: 787.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.01175);">lo</span><span dir="ltr" style="left: 87.04px; top: 787.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.8945);">s moluscos, marcadamente gasterópodos, bivalvos y escafópodos, aglutinaron entre </span><span dir="ltr" style="left: 72.6px; top: 808.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.864129);">el 86% y el 94% de los grupos de presa identificados. El análisis del contenido </span><span dir="ltr" style="left: 72.6px; top: 830.008px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.856228);">estomacal indica que las tres especies de </span><span dir="ltr" style="left: 398.717px; top: 830.008px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.890288);">Astropecten </span><span dir="ltr" style="left: 494.117px; top: 830.008px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.866783);">consumen cuatro grupos de </span><span dir="ltr" style="left: 72.6px; top: 851.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.853064);">presas, molus</span><span dir="ltr" style="left: 174.833px; top: 851.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.857853);">cos principalmente, con marcada preferencia por los gasterópodos. Se </span><span dir="ltr" style="left: 72.6px; top: 872.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916866);">encontraron diferencias a nivel de la proporción de cad</span><span dir="ltr" style="left: 483.917px; top: 872.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.885211);">a grupo, en las especies</span><span dir="ltr" style="left: 660.767px; top: 872.408px; font-size: 18.4px; font-family: sans-serif;">-</span><span dir="ltr" style="left: 666.767px; top: 872.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.837393);">presa</span><span dir="ltr" style="left: 72.6px; top: 893.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.803196);">en las tallas de éstas</span><span dir="ltr" style="left: 227.233px; top: 893.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.845606);">, con preferencia por los</span><span dir="ltr" style="left: 417.917px; top: 893.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.853593);">gasterópodos, en proporciones y tallas </span><span dir="ltr" style="left: 72.6px; top: 915.041px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89502);">diferentes.</span></span></p&gt;}, number={1}, journal={Boletín del Centro de Investigaciones Biológicas}, author={Bitter-Soto, Ricardo and Rivas-Suarez, Ronald}, year={2021}, month={jun.}, pages={70-91} }