tag:blogger.com,1999:blog-348616682011-07-07T22:15:40.373-07:00Instantáneas de escualos de todo el mundo, tomadas en diversas campañas, proyectos e investigaciones.Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.comBlogger171100tag:blogger.com,1999:blog-34861668.post-87770004152584963352010-08-18T14:58:00.000-07:002010-08-18T15:01:06.554-07:00http://blueecology.wordpress.com/<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-8777000415258496335?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-75830431966678385252006-11-30T04:03:00.000-08:002006-11-30T04:15:49.722-08:00<a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/35074/13-02-05%20016.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/65937/13-02-05%20016.jpg" border="0" /></a><br /><div><a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/786833/13-02-05%20011.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/106314/13-02-05%20011.jpg" border="0" /></a><br /><br /><div>En la fotografía inferior se pueden observan claramente y bien definidos los paquetes musculares hipaxiales del tronco de un marrajo azul (<em>Isurus oxyrinchus</em>). En la foto superior detalle del ojo destacando el iris que rodea la pulila vertical y protegido por la córnea, sin membrana nictitante y con capacidad de voltearse para evitar ser dañado.</div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-7583043196667838525?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com3tag:blogger.com,1999:blog-34861668.post-10119309381492987302006-11-29T15:25:00.000-08:002006-11-29T15:33:14.353-08:00<a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/770291/18-12-04%20027.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/742627/18-12-04%20027.jpg" border="0" /></a><br /><div><a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/293975/18-12-04%20025.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/136861/18-12-04%20025.jpg" border="0" /></a><br /><br /><div>Detalle de un pterigopodio o clasper perteneciente a un marrajo azul (<em>Isurus oxyrinchus</em>), que es utilizado por los machos como órgano copulador.</div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-1011930938149298730?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-54935697010652851662006-11-29T15:22:00.000-08:002006-11-29T15:25:06.034-08:00<a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/75479/03-01-05%20011.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/949128/03-01-05%20011.jpg" border="0" /></a><br /><div><a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/98993/03-01-05%20020.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/949692/03-01-05%20020.jpg" border="0" /></a><br /><br /><div><br /><br /><br /><div>Un posible Jaquetón de las Galápagos (<em>Carcharhinus galapagensis</em>) aparecido en el Pacífico Sur Central, 2005.</div></div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-5493569701065285166?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-76318325356420647872006-11-29T15:06:00.000-08:002006-11-29T15:14:54.083-08:00<a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/740662/12-02-05%20030.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/524805/12-02-05%20030.jpg" border="0" /></a><br /><div><a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/458140/12-02-05%20020.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/373413/12-02-05%20020.jpg" border="0" /></a><br /><br /><div>La tintorera o tiburón azul (<em>Prionace glauca</em>) es un escualo vivíparo placentario, donde los embriones se desarrollan completamente gracias a una especie de cordón umbilical similar al de los mamíferos.</div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-7631832535642064787?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1162316021148213842006-10-31T09:03:00.000-08:002006-11-05T08:22:21.025-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/19-01-05%20009.3.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/19-01-05%20009.3.jpg" border="0" /></a><br />Contenido estomacal de un tiburón azul o tintorera (<em>Prionace glauca</em>) donde se observan restos de un pequeño delfín y una pota, Pacífico Sur Central, 2005.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-116231602114821384?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1161600296917264702006-10-23T03:40:00.000-07:002006-11-05T08:22:20.959-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/29-01-05%20017.0.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/29-01-05%20017.0.jpg" border="0" /></a><br /><br />Un ejemplar neonato de Jaquetón Oceánico (<em>Carcharhinus longimanus</em>) antes de ser liberado con su correspondiente marca tipo "espagueti", en las cálidas aguas del Pacífico Sur.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-116160029691726470?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1161165507438710112006-10-18T02:50:00.000-07:002006-11-21T16:17:21.101-08:00<a href="http://photos1.blogger.com/blogger2/4708/4255/1600/oct_06%20012.jpg"></a><div><a href="http://photos1.blogger.com/blogger2/4708/4255/1600/oct_06%20012.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/blogger2/4708/4255/320/oct_06%20012.jpg" border="0" /></a> <div></div><div><a href="http://photos1.blogger.com/blogger/520/3733/1600/15-02-05%20027.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/15-02-05%20027.jpg" border="0" /></a></div><div><a href="http://photos1.blogger.com/blogger/520/3733/1600/15-02-05%20011.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/15-02-05%20011.jpg" border="0" /></a>La foto superior muestra un ejemplar de tiburón martillo (<em>Sphyrna zygaena</em>) junto a un marrajo azul (<em>Isurus oxyrinchus</em>) procedentes del Atlántico Norte. Las dos inferiores muestran otro escualo de la misma especie capturado en el Pacífico Sur Central durante una acción piloto. Observese el borde cefálico arqueado y sin muesca central que caracteriza a esta especie. </div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-116116550743871011?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1161112324482477152006-10-17T12:04:00.000-07:002006-11-05T08:22:20.832-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/amel%20375a.0.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/amel%20375a.0.jpg" border="0" /></a><br /><a href="http://photos1.blogger.com/blogger/520/3733/1600/amel%20316a.0.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/amel%20316a.0.jpg" border="0" /></a><br /><a href="http://photos1.blogger.com/blogger/520/3733/1600/amel%20169a.0.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/amel%20169a.0.jpg" border="0" /></a><br /><br />Estas son lesiones producidas por embalajes procedentes de cajas de cebo para la pesca de palangre de superficie, al quedarse encajadas en el cuerpo de estos escualos. Es importantísimo cortarlas para que no se vean afectados estos animales, debido a que no son capaces de "recular" para zafarse.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-116111232448247715?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1159704817184425992006-10-01T05:10:00.000-07:002006-11-05T08:22:20.764-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/amel%20125a.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/amel%20125a.jpg" border="0" /></a><br />Un embrión de tintorera con el cordón umbilical visible al haber sido extraído del útero. No aguantan vivos más de unas horas, es necesario evitar pescar hembras grávidas o liberarlas.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115970481718442599?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1159703966734304652006-10-01T04:55:00.000-07:002006-11-05T08:22:20.697-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/A.superciliosus.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/A.superciliosus.jpg" border="0" /></a><br />Ejemplar de Tiburón zorro ojón (<em>Alopias superciliosus</em>), Pacífico Sur.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115970396673430465?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1159703744998770782006-10-01T04:53:00.000-07:002006-11-29T15:44:15.811-08:00<a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/4186/23-01-05%20049.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/662351/23-01-05%20049.jpg" border="0" /></a><br /><div><a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/255496/23-01-05%20047.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/499568/23-01-05%20047.jpg" border="0" /></a><br /><br /><div>Ejemplar de Jaquetón oceánico (<em>Carcharhinus longimanus</em>) encontrado en aguas del Pacífico Sur, 2005.</div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115970374499877078?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1159703581658897332006-10-01T04:51:00.000-07:002006-11-05T08:22:20.565-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/midiendo2.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/midiendo2.jpg" border="0" /></a><br />Tomando la talla de un ejemplar de tiburón zorro (<em>Alopias superciliosus</em>), Pacífico Sur.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115970358165889733?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1159703219900086182006-10-01T04:44:00.000-07:002006-11-29T15:36:00.355-08:00<a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/172303/17-12-04%20010.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/199011/17-12-04%20010.jpg" border="0" /></a><br /><div><a href="http://photos1.blogger.com/blogger/520/3733/1600/L.nasus.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/L.nasus.jpg" border="0" /></a><br />Ejemplar de marrajo sardinero (<em>Lamna nasus</em>) capturado en el Pacífico Sur. Arriba detalle de las mandíbulas donde se observan los dientes tricúspides característicos de la especie.</div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115970321990008618?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1159702213653310862006-10-01T04:28:00.000-07:002006-11-05T08:22:20.439-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/midiendo1.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/midiendo1.jpg" border="0" /></a><br />Tomando la biometría del lóbulo superior de una aleta caudal de un tiburón zorro (Alopias superciliosus) del Pacífico Sur.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115970221365331086?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com0tag:blogger.com,1999:blog-34861668.post-1159701733470834462006-10-01T04:19:00.000-07:002006-11-05T08:22:20.378-08:00<a href="http://photos1.blogger.com/blogger/520/3733/1600/marcando.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/marcando.jpg" border="0" /></a><br />Marcando desde la borda una tintorera (<em>Prionace glauca</em>) en el Pacífico Sur Central.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115970173347083446?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com1tag:blogger.com,1999:blog-34861668.post-1158941057720557952006-09-22T09:01:00.000-07:002006-11-29T15:22:02.304-08:00<a href="http://photos1.blogger.com/x/blogger2/4708/4255/1600/540756/18-12-04%20024.jpg"><img style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://photos1.blogger.com/x/blogger2/4708/4255/320/764051/18-12-04%20024.jpg" border="0" /></a><br /><div><a href="http://photos1.blogger.com/blogger/520/3733/1600/I.oxyrinchus.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/520/3733/320/I.oxyrinchus.jpg" border="0" /></a><br />Gran ejemplar hembra de marrajo azul (<em>Isurus oxyrinchus</em>) proveniente de aguas del Pacífico Sur Central, Acción Piloto 04-05. Arriba un macho un poco más pequeño del mismo lugar.</div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/34861668-115894105772055795?l=pelagic-sharks.blogspot.com' alt='' /></div>Gonzalo R. Mucienteshttp://www.blogger.com/profile/06994705685009494335noreply@blogger.com1