Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Alan D. Henningsen"'
Publikováno v:
Journal of Parasitology. 102:179-186
A new marine leech is herein described from specimens infecting the external surfaces, including the mouth and cloaca, of the banded guitarfish, Zapteryx exasperate, captured in the Gulf of California and eastern Pacific Ocean off the coast of San Di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f109634f8744b06c5761d3103fab0b7
https://doi.org/10.1645/15-829
https://doi.org/10.1645/15-829
Autor:
Robert T. Leaf, Alan D. Henningsen
Publikováno v:
Transactions of the American Fisheries Society. 139:783-791
Complete life history information is essential for effective population management, but little is known about the demographic characteristics of the southern stingray Dasyatis americana. We describe life history characteristics of southern stingrays
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e18d734402397ceae575c87bfcb7a55f
https://doi.org/10.1577/t09-124.1
https://doi.org/10.1577/t09-124.1
Publikováno v:
Journal of Aquatic Animal Health. 17:289-295
We report on three separate instances of protrusion of the valvular intestine in the smalltooth sawfish Pristis pectinata, compare pristid gastrointestinal anatomy and intestinal valve structure with those of other elasmobranchs, and discuss the rele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac015d4026505047244c1a5bfc6df5ab
https://doi.org/10.1577/h04-063.1
https://doi.org/10.1577/h04-063.1
Autor:
Alan D. Henningsen
Publikováno v:
Aquarium Sciences and Conservation. 2:97-116
Chondrichthyans are a diverse group in terms of reproductive mode, which range from extended oviparity to placental viviparity. Although the reproductive biology of several species has been investigated, the reproductive physiology of only a few spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09516cf709e29d71deb4912a88072947
https://doi.org/10.1023/a:1009688826898
https://doi.org/10.1023/a:1009688826898
Autor:
Alan D. Henningsen
Publikováno v:
Zoo Biology. 15:135-142
Historically, gymnurid rays have not done well in a captive environment. This report describes success in maintaining two specimens of the spiny butterfly ray, Gymnura altavela, in captivity. An aggressive husbandry protocol of tube feeding and force
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c18c623914f7c128c2057cd9790fb4d
https://doi.org/10.1002/(sici)1098-2361(1996)15:2<135::aid-zoo4>3.0.co
https://doi.org/10.1002/(sici)1098-2361(1996)15:2<135::aid-zoo4>3.0.co
Autor:
Alan D. Henningsen
Publikováno v:
Zoo Biology. 13:325-332
Tonic immobility (TI), also known as animal hypnosis, has been observed in a wide variety of taxa and reported in all vertebrate classes with the exception of Agnatha. To date, TI has been reported in six species of elasmobranchs. Preliminary results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7f8a0a55f063cdc27cd36fc633913db
https://doi.org/10.1002/zoo.1430130406
https://doi.org/10.1002/zoo.1430130406
Autor:
Alan D. Henningsen
Publikováno v:
Copeia. 2000:826-828
Aspects of the reproductive biology of the Southern Stingray, Dasyatis americana, were determined from five captive adult females and their offspring. Mean size and weight of the neonates were 238.0 ± 1.6 mm disc width and 505.9 ± 10.7 g, respectiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::914b5c072b6cb5010d8548e72c764614
https://doi.org/10.1643/0045-8511(2000)000[0826:norits]2.0.co
https://doi.org/10.1643/0045-8511(2000)000[0826:norits]2.0.co