Dark eyes in female sand gobies indicate readiness to spawn

• Karin H. Olsson ,

  * E-mail: olsson.karin.h@gmail.com

  Current address: Cefas Laboratory, Lowestoft, Suffolk, United Kingdom

  Affiliation Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden

  http://orcid.org/0000-0002-1695-0989

  ⨯
• Sandra Johansson,

  Affiliation Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden

  ⨯
• Eva-Lotta Blom,

  Affiliation Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden

  ⨯
• Kai Lindström,

  Affiliation Environmental and Marine Biology, Åbo Akademi University, Turku, Finland

  ⨯
• Ola Svensson,

  Current address: School of Natural Sciences, Technology and Environmental Studies, Södertörn University, Huddinge, Sweden

  Affiliations Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden, Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden

  ⨯
• Helen Nilsson Sköld,

  Current address: Havets Hus in Lysekil, Strandvägen 9, Lysekil, Sweden

  Affiliations Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden, Sven Lovén Center for Marine Infrastructure Kristineberg, University of Gothenburg, Gothenburg, Sweden

  ⨯
• Charlotta Kvarnemo

  Affiliations Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden, Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden

  ⨯