{"id":906,"date":"2019-06-26T13:52:09","date_gmt":"2019-06-26T13:52:09","guid":{"rendered":"http:\/\/www.britishlivebearerassociation.co.uk\/site\/?p=906"},"modified":"2022-05-16T06:32:40","modified_gmt":"2022-05-16T06:32:40","slug":"xiphophorus-continens-zimmerer-and-kallman-1988","status":"publish","type":"post","link":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/2019\/06\/26\/xiphophorus-continens-zimmerer-and-kallman-1988\/","title":{"rendered":"Xiphophorus continens (Zimmerer and Kallman 1988)"},"content":{"rendered":"\n

Etymology:<\/strong><\/p>\n\n\n\n

Xiphophorus:<\/em> Greek,\nxiphos = sword + Greek, pherein = to carry<\/p>\n\n\n\n

Continens:<\/em> Greek, conto = short + Latin, ensis, = sword<\/p>\n\n\n\n

(Reference to the very small sword\ndeveloped in males of this species.)<\/p>\n\n\n\n

First\ndescription:<\/strong><\/p>\n\n\n\n

Zimmerer\nand Kallman 1988<\/strong><\/p>\n\n\n\n

American Museum Novitates <\/strong>Number 2975, June 27,\n1990.<\/strong><\/p>\n\n\n\n

Monophyly and Geography of the Rio Panuco\nBasin Swordtails (Genus Xiphophorus<\/em>)\nwith<\/p>\n\n\n\n

Descriptions of Four New Species<\/p>\n\n\n\n

Mary Rauchenberger, Klaus D. Kallman and\nDonald C. Morizot<\/p>\n\n\n\n

Common\nnames<\/strong><\/p>\n\n\n\n

El Quince Swordtail<\/p>\n\n\n\n

Synonyms<\/strong><\/p>\n\n\n\n

Xiphophorus sp. Nov. Zimmer &\nKallman 1988.<\/p>\n\n\n\n

Group:<\/strong><\/p>\n\n\n\n

Xiphophorus continens<\/em> is one of nine northern swordtails and belongs to the Montezumae clade, consisting of X.\nmontezumae, X. nezahualcoyotl, X. continens<\/em><\/p>\n\n\n\n

Type\nLocality:<\/strong><\/p>\n\n\n\n

The Nacimiento of the Rio Ojo Frio at El\nQuince, north of Rascon, Rio Gallinas- Rio Panuco drainage, San Luis Potosi,\nMexico<\/p>\n\n\n\n

Collected on April 27, 1984, by K. D.\nKallman and D. C. Morizo<\/p>\n\n\n\n

Distribution:<\/strong><\/p>\n\n\n\n

Headwaters of the Rio Ojo Frio, north of\nDamian Carmona, Rio Panuco drainage, San Luis Potosi. Mexico<\/p>\n\n\n\n

Populations:<\/strong><\/p>\n\n\n\n

Rio Ojo Frio, El Quince, San Luis Potosi.\nMexico.<\/p>\n\n\n\n

Habitat:<\/strong><\/p>\n\n\n\n

Fast flowing river, with high aquatic\nvegetation with a stony river bed.<\/p>\n\n\n\n

Size:<\/strong><\/p>\n\n\n\n

Males 2.5cm, Females 3.5cm<\/p>\n\n\n\n

Distinguishing\ncharacteristics:<\/strong><\/p>\n\n\n\n

It is a small, slender species, with a slender caudal peduncle. The sword is barely noticeable with a maximum length of 1 millimetre.<\/p>\n\n\n\n

Colour\/Pattern\nVariability:<\/strong><\/p>\n\n\n\n

A small slender species, the body colour is\npale golden brown with a darker brown midlateral stripe. There are one or two\nless prominent zigzag stripes above the midlateral stripe. The underneath\nsection is white from the mouth to the anal fin. <\/p>\n\n\n\n

The dorsal and caudal fins are clear to\npale yellow, all other fins are clear.<\/p>\n\n\n\n

 Males\ndo not develop a sword greater than 1 mm. <\/p>\n\n\n\n

Behaviour:<\/strong><\/p>\n\n\n\n

Not a shy fish when settled, will happily\nswim around the front of the aquarium looking for food.  <\/p>\n\n\n\n

Husbandry:<\/strong><\/p>\n\n\n\n

A well planted aquarium with a temperature\nof 21 \u2013 22 degrees C<\/p>\n\n\n\n

Breeding\nNotes:<\/strong><\/p>\n\n\n\n

After a gestation period of 24-28 days,\nfemale produces 10 to 20 young, <\/p>\n\n\n\n

Remarks<\/strong><\/p>\n\n\n\n

The overall\nshape and appearance of this species is most similar to X. pygmaeus<\/em> and was assumed to be closely related. Closer scrutiny\nhas found that X. continens<\/em> shares\ncharacteristics found in X. montezumae <\/em>and X. nezahualcoyotl<\/em>.<\/p>\n\n\n\n

References:<\/strong><\/p>\n\n\n\n

Rauchenberger, Kallman & Morizot: <\/strong>American Museum Novitates Number 2975, June 27, 1990.<\/p>\n\n\n\n

Monophyly and Geography of the Rio Panuco\nBasin Swordtails (Genus Xiphophorus<\/em>)\nwith<\/p>\n\n\n\n

Descriptions of Four New Species                 <\/p>\n\n\n\n

Derek\nand Pat Lambert:<\/strong> Platies and swordtails                                           <\/strong><\/p>\n\n\n\n

<\/p>\n\n\n\n

\"\"
Photograph courtesy of Dave Macallister<\/strong> <\/figcaption><\/figure><\/div>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Etymology: Xiphophorus: Greek, xiphos = sword + Greek, pherein = to carry Continens: Greek, conto = short + Latin, ensis, = sword (Reference to the very small sword developed in males of this species.) First...<\/p>\n","protected":false},"author":59,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-906","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/posts\/906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/users\/59"}],"replies":[{"embeddable":true,"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/comments?post=906"}],"version-history":[{"count":4,"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/posts\/906\/revisions"}],"predecessor-version":[{"id":3910,"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/posts\/906\/revisions\/3910"}],"wp:attachment":[{"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/media?parent=906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/categories?post=906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.britishlivebearerassociation.co.uk\/site\/wp-json\/wp\/v2\/tags?post=906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}