Evidence for male alternative reproductive tactics in convict cichlids (Amatitlania siquia) in Lake Xiloá, Nicaragua View Full Text


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Article Info

DATE

2017-06

AUTHORS

Ethan D. Clotfelter, Elizabeth M. Johnson, Caleb Anderson, Ryan L. Earley

ABSTRACT

We present evidence suggesting that some male convict cichlids (Amatitlania siquia) in Lake Xiloá, Nicaragua engage in alternative reproductive tactics (ARTs). These putative ART males were smaller than typical parental males, displayed coloration similar to breeding females, and possessed enlarged gonads. Gonadosomatic indices in these males were 16-fold higher than parental males and three-fold higher than females. This phenotype is consistent with the ‘sneaker’ or ‘satellite’ phenotype reported in other species. A survey of 282 fish in 2014 found three males (1% of all fish, 2% of males) with these characteristics. This finding is significant because convict cichlids are frequently studied in laboratory and field in the context of monogamy and biparental care. More... »

PAGES

655-662

References to SciGraph publications

  • 1992-10. Intraspecific brood adoption in convict cichlids : a mutual benefit in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
  • 1995-11. Genetic polymorphism for alternative mating behaviour in lekking male ruff Philomachus pugnax in NATURE
  • 1995-08. Predation risk and alternative mating tactics in male Trinidadian guppies (Poecilia reticulata) in OECOLOGIA
  • 2016-05. Seeing orange: breeding convict cichlids exhibit heightened aggression against more colorful intruders in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
  • 2016-04. Population-specific co-evolution of offspring anti-predator competence and parental brood defence in Nicaraguan convict cichlids in ENVIRONMENTAL BIOLOGY OF FISHES
  • 2011-10. Polymorphic microsatellite loci optimised for studies on the convict cichlid fish (Amatitlania siquia) in ENVIRONMENTAL BIOLOGY OF FISHES
  • 1996-03. The rock–paper–scissors game and the evolution of alternative male strategies in NATURE
  • 2011-05. Sex differences in biparental care as offspring develop: a field study of convict cichlids (Amatitlania siquia) in ENVIRONMENTAL BIOLOGY OF FISHES
  • 2008-04. Mating behavior of Abdopus aculeatus (d’Orbigny 1834) (Cephalopoda: Octopodidae) in the wild in MARINE BIOLOGY
  • 1990-05. Female mimicry and resource defense polygyny by males of a tropical rove beetle, Leistotrophus versicolor (Coleoptera : Staphylinidae) in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
  • 2004-05. Sperm swimming speed and energetics vary with sperm competition risk in bluegill (Lepomis macrochirus) in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
  • 2007-04. Pair-bond formation and breeding-site limitation in the convict cichlid, Archocentrus nigrofasciatus in ACTA ETHOLOGICA
  • 2009-04. Differences in aggressive behavior between convict cichlid color morphs: amelanistic convicts lose even with a size advantage in ACTA ETHOLOGICA
  • 2011-04. Species divergence and seasonal succession in rates of mate desertion in closely related Neotropical cichlid fishes in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
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    URI

    http://scigraph.springernature.com/pub.10.1007/s10641-017-0593-2

    DOI

    http://dx.doi.org/10.1007/s10641-017-0593-2

    DIMENSIONS

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