Sex Steroid Levels in Porichthys notatus, a Fish with Alternative Reproductive Tactics, and a Review of the Hormonal Bases for Male Dimorphism among Teleost Fishes
Plasma levels of 11-ketotestosterone, 11-β-OH-testosterone, testosterone, and 17-β-estradiol were measured in reproductive Porichthys notatus , a teleost fish with two male morphs and alternative reproductive tactics. The two male types had contrasting androgen profiles, 11-Ketotestosterone was the...
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Veröffentlicht in: | Hormones and behavior 1993-09, Vol.27 (3), p.332-347 |
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description | Plasma levels of 11-ketotestosterone, 11-β-OH-testosterone, testosterone, and 17-β-estradiol were measured in reproductive
Porichthys notatus , a teleost fish with two male morphs and alternative reproductive tactics. The two male types had contrasting androgen profiles, 11-Ketotestosterone was the predominant androgen in the Type I male morph which acoustically courts females, excavates nests, and guards eggs. Yet testosterone was predominant in the plasma of the Type II male morph which neither courts females nor nests, but instead parasitizes Type I males with sneak or satellite spawning tactics. The Type I-Type II male divergence in reproductive tactics and androgen levels is paralleled by dimorphisms in the vocal system, in body size, and in relative testis size. A review of endocrine data from six different species with male dimorphism shows consistent differences between morphotypes and a striking pattern: 11-ketotestosterone levels are uniformly elevated in each "courting male" morphotype relative to its "noncourting" conspecific. This cross-species pattern may reflect the behavioral, gonadal, or morphological differences which characterize the two morphotypes. At this point, the morphological interpretation is favored. |
doi_str_mv | 10.1006/hbeh.1993.1025 |
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Porichthys notatus , a teleost fish with two male morphs and alternative reproductive tactics. The two male types had contrasting androgen profiles, 11-Ketotestosterone was the predominant androgen in the Type I male morph which acoustically courts females, excavates nests, and guards eggs. Yet testosterone was predominant in the plasma of the Type II male morph which neither courts females nor nests, but instead parasitizes Type I males with sneak or satellite spawning tactics. The Type I-Type II male divergence in reproductive tactics and androgen levels is paralleled by dimorphisms in the vocal system, in body size, and in relative testis size. A review of endocrine data from six different species with male dimorphism shows consistent differences between morphotypes and a striking pattern: 11-ketotestosterone levels are uniformly elevated in each "courting male" morphotype relative to its "noncourting" conspecific. This cross-species pattern may reflect the behavioral, gonadal, or morphological differences which characterize the two morphotypes. At this point, the morphological interpretation is favored.</description><identifier>ISSN: 0018-506X</identifier><identifier>EISSN: 1095-6867</identifier><identifier>DOI: 10.1006/hbeh.1993.1025</identifier><identifier>PMID: 8225257</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Animals ; Copulation - physiology ; Estradiol - blood ; Fishes - physiology ; Gonadal Steroid Hormones - physiology ; Hydroxytestosterones - blood ; Male ; Marine ; Porichthys notatus ; Sex Characteristics ; Sexual Behavior, Animal - physiology ; Social Environment ; Species Specificity ; Teleostei ; Testosterone - analogs & derivatives ; Testosterone - blood</subject><ispartof>Hormones and behavior, 1993-09, Vol.27 (3), p.332-347</ispartof><rights>1993 Academic Press</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c410t-14de2eabce92300ba9c692368a30b1ba4cf97bab440fa27100525ee5b0890d013</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1006/hbeh.1993.1025$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8225257$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Brantley, Richard K.</creatorcontrib><creatorcontrib>Wingfield, John C.</creatorcontrib><creatorcontrib>Bass, Andrew H.</creatorcontrib><title>Sex Steroid Levels in Porichthys notatus, a Fish with Alternative Reproductive Tactics, and a Review of the Hormonal Bases for Male Dimorphism among Teleost Fishes</title><title>Hormones and behavior</title><addtitle>Horm Behav</addtitle><description>Plasma levels of 11-ketotestosterone, 11-β-OH-testosterone, testosterone, and 17-β-estradiol were measured in reproductive
Porichthys notatus , a teleost fish with two male morphs and alternative reproductive tactics. The two male types had contrasting androgen profiles, 11-Ketotestosterone was the predominant androgen in the Type I male morph which acoustically courts females, excavates nests, and guards eggs. Yet testosterone was predominant in the plasma of the Type II male morph which neither courts females nor nests, but instead parasitizes Type I males with sneak or satellite spawning tactics. The Type I-Type II male divergence in reproductive tactics and androgen levels is paralleled by dimorphisms in the vocal system, in body size, and in relative testis size. A review of endocrine data from six different species with male dimorphism shows consistent differences between morphotypes and a striking pattern: 11-ketotestosterone levels are uniformly elevated in each "courting male" morphotype relative to its "noncourting" conspecific. This cross-species pattern may reflect the behavioral, gonadal, or morphological differences which characterize the two morphotypes. At this point, the morphological interpretation is favored.</description><subject>Animals</subject><subject>Copulation - physiology</subject><subject>Estradiol - blood</subject><subject>Fishes - physiology</subject><subject>Gonadal Steroid Hormones - physiology</subject><subject>Hydroxytestosterones - blood</subject><subject>Male</subject><subject>Marine</subject><subject>Porichthys notatus</subject><subject>Sex Characteristics</subject><subject>Sexual Behavior, Animal - physiology</subject><subject>Social Environment</subject><subject>Species Specificity</subject><subject>Teleostei</subject><subject>Testosterone - analogs & derivatives</subject><subject>Testosterone - blood</subject><issn>0018-506X</issn><issn>1095-6867</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFUU1v1DAUtBCobAtXbkjvxIksz4nzdSyFtkiLQO0icbMc54UYJfHWdrb09_BHcborbojT8-jNzJNnGHvFcc0Ri3d9Q_2a13UWYZo_YSuOdZ4UVVE-ZStEXiU5Ft-fs1Pvf0bIcyFO2EmVpnmalyv2-5Z-wW0gZ00LG9rT4MFM8NU6o_vQP3iYbFBh9m9BwaXxPdyb0MP5ECWTCmZPcEM7Z9tZP4KtilMv7KmNihvaG7oH20HoCa6tG-2kBnivPHnorIPPaiD4YEbrdr3xI6hI-AFbGsj68HiQ_Av2rFODp5fHeca-XX7cXlwnmy9Xny7ON4kWHEPCRUspqUZTnWaIjap1EV9FpTJseKOE7uqyUY0Q2Km0jOnFCIjyBqsaW-TZGXtz8I3_uZvJBzkar2kY1ER29rIsMOPI0_8SeZHXZSZEJK4PRO2s9446uXNmVO5BcpRLfXKpTy71yaW-KHh9dJ6bkdq_9GNfcV8d9rGnJVonvTY0aWqNIx1ka82_rP8ApeerGQ</recordid><startdate>19930901</startdate><enddate>19930901</enddate><creator>Brantley, Richard K.</creator><creator>Wingfield, John C.</creator><creator>Bass, Andrew H.</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7X8</scope></search><sort><creationdate>19930901</creationdate><title>Sex Steroid Levels in Porichthys notatus, a Fish with Alternative Reproductive Tactics, and a Review of the Hormonal Bases for Male Dimorphism among Teleost Fishes</title><author>Brantley, Richard K. ; Wingfield, John C. ; Bass, Andrew H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-14de2eabce92300ba9c692368a30b1ba4cf97bab440fa27100525ee5b0890d013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Animals</topic><topic>Copulation - physiology</topic><topic>Estradiol - blood</topic><topic>Fishes - physiology</topic><topic>Gonadal Steroid Hormones - physiology</topic><topic>Hydroxytestosterones - blood</topic><topic>Male</topic><topic>Marine</topic><topic>Porichthys notatus</topic><topic>Sex Characteristics</topic><topic>Sexual Behavior, Animal - physiology</topic><topic>Social Environment</topic><topic>Species Specificity</topic><topic>Teleostei</topic><topic>Testosterone - analogs & derivatives</topic><topic>Testosterone - blood</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brantley, Richard K.</creatorcontrib><creatorcontrib>Wingfield, John C.</creatorcontrib><creatorcontrib>Bass, Andrew H.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>MEDLINE - Academic</collection><jtitle>Hormones and behavior</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brantley, Richard K.</au><au>Wingfield, John C.</au><au>Bass, Andrew H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sex Steroid Levels in Porichthys notatus, a Fish with Alternative Reproductive Tactics, and a Review of the Hormonal Bases for Male Dimorphism among Teleost Fishes</atitle><jtitle>Hormones and behavior</jtitle><addtitle>Horm Behav</addtitle><date>1993-09-01</date><risdate>1993</risdate><volume>27</volume><issue>3</issue><spage>332</spage><epage>347</epage><pages>332-347</pages><issn>0018-506X</issn><eissn>1095-6867</eissn><abstract>Plasma levels of 11-ketotestosterone, 11-β-OH-testosterone, testosterone, and 17-β-estradiol were measured in reproductive
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source | MEDLINE; Elsevier ScienceDirect Journals Complete |
subjects | Animals Copulation - physiology Estradiol - blood Fishes - physiology Gonadal Steroid Hormones - physiology Hydroxytestosterones - blood Male Marine Porichthys notatus Sex Characteristics Sexual Behavior, Animal - physiology Social Environment Species Specificity Teleostei Testosterone - analogs & derivatives Testosterone - blood |
title | Sex Steroid Levels in Porichthys notatus, a Fish with Alternative Reproductive Tactics, and a Review of the Hormonal Bases for Male Dimorphism among Teleost Fishes |
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