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Biodiversity and Conservation

, Volume 26, Issue 12, pp 2791–2802 | Cite as

When natural history collections reveal secrets on data deficient threatened species: Atlantic seahorses as a case study

  • Francisco Otero-Ferrer
  • José A. González
  • Mafalda Freitas
  • Ricardo Araújo
  • José M. N. Azevedo
  • William V. Holt
  • Fernando Tuya
  • Ricardo Haroun
Original Paper
Part of the following topical collections:
  1. Coastal and marine biodiversity

Abstract

Natural history collections from museums and private institutions can play an important role supporting decisions in biodiversity conservation. Seahorse populations have suffered a worldwide decline, while many areas remain data deficient including areas subjected to heavy commercial trading, such as the coasts of West Africa. In this work, seahorse collections from museums and public institutions in Macaronesia (Azores, Madeira and the Canary Islands) were initially reviewed (1) to identify specimens not previously determined, and (2) to correct species determinations from Macaronesia and adjacent West African coasts. The morphological data (3) were tested for phenotypic variation of seahorses within and between Macaronesia and adjacent West African coasts. The presence of Hippocampus hippocampus (short-snouted seahorse) and Hippocampus algiricus (West African seahorse) was confirmed for the area, including new sightings along previous geographical distribution ranges. Morphological analyses partitioned seahorse species and several morphotypes within and between Macaronesia and adjacent West African coasts. This phenotypic plasticity was associated with cranial morphology. Such differences are a useful tool for tracking seahorse populations of varying species and origins. New information presented here, is valuable for improving the management and conservation of seahorses, particularly in areas threatened by illegal trading or other anthropogenic activities.

Keywords

Atlantic Ocean Biodiversity conservation Hippocampus Phenotypic plasticity Preserved specimens Polymorphisms 

Notes

Acknowledgements

To the ‘Museo de Ciencias Naturales de Tenerife’, especially to Dr. M.F. Hernández and A. de Vera, the ‘Instituto Canario de Ciencias Marinas’ at Gran Canaria, especially to J.I. Santana, and the ‘Instituto Español de Oceanografía’ at Tenerife, especially to Dr. S. Jiménez, for the information concerning their seahorse collections. The EcoAqua Project (GA621341) gave support to this research.

Supplementary material

10531_2017_1385_MOESM1_ESM.docx (43 kb)
Supplementary material 1 (DOCX 43 kb)

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Francisco Otero-Ferrer
    • 1
  • José A. González
    • 2
  • Mafalda Freitas
    • 3
  • Ricardo Araújo
    • 4
  • José M. N. Azevedo
    • 5
  • William V. Holt
    • 6
  • Fernando Tuya
    • 1
  • Ricardo Haroun
    • 1
  1. 1.Grupo en Biodiversidad y Conservación, IU-ECOAQUAUniversidad de Las Palmas de Gran CanariaTeldeSpain
  2. 2.Applied Marine Ecology and Fisheries Group, i-UNATUniversidad de Las Palmas de Gran CanariaLas Palmas de Gran CanariaSpain
  3. 3.Estação de Biologia Marinha do FunchalFunchalPortugal
  4. 4.Museu de História Natural do FunchalFunchalPortugal
  5. 5.GBA-Ce3C, Universidade dos AçoresPonta DelgadaPortugal
  6. 6.Academic Unit of Reproductive and Developmental MedicineUniversity of SheffieldSheffieldUK

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