Ichthyological Research

, Volume 62, Issue 3, pp 351–356 | Cite as

Ontogenetic development of the sagittal otoliths of Lipophrys pholis (Blenniidae) during the embryonic, larval and settlement stages

  • Margarida Gama Carvalho
  • Cláudia Moreira
  • Henrique Queiroga
  • Paulo Talhadas Santos
  • Alberto Teodorico Correia
Short Report


Eggs and settlers of Lipophrys pholis were collected during low tides from a northern Portuguese rocky beach in March and May of 2013. The eggs were reared under controlled-laboratory conditions until the larval stage, while settlers were immediately sacrificed. Sagittae were viewed by scanning electron microscopy to assess the occurrence of different microstructural checks during embryonic, larval and settlement stages. Otoliths recorded several micro-increments (8–10) before hatching in late embryo phases. In larval otoliths a visible hatching check was observed and micro-increments were deposited on a daily basis. Early settlers presented in the otolith edge two types of settlement marks. These findings are important to prevent a misidentification of some life history events and/or to avoid overestimation of individual age from otolith studies.


Blenniidae Sagittae Microstructure 



This research was supported by the European Regional Development Fund (ERDF) through the COMPETE – Operational Competitiveness Programme and by national funds through FCT – Foundation for Science and Technology, under the projects PEst-C/MAR/LA0015/2013 and PTDC/BIA-BIC/120483/2010.


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Copyright information

© The Ichthyological Society of Japan 2014

Authors and Affiliations

  • Margarida Gama Carvalho
    • 1
    • 2
  • Cláudia Moreira
    • 1
  • Henrique Queiroga
    • 3
  • Paulo Talhadas Santos
    • 1
    • 2
  • Alberto Teodorico Correia
    • 1
    • 4
  1. 1.Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR)PortoPortugal
  2. 2.Faculty of Sciences of the University of Porto (FCUP)PortoPortugal
  3. 3.Centre for Environmental and Marine Studies of the University of Aveiro (CESAM)AveiroPortugal
  4. 4.Faculty of Health Sciences of the University Fernando Pessoa (FCS/UFP)PortoPortugal

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