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On the status of the Hawaiian seahorses Hippocampus hilonis, H. histrix and H. fisheri (Syngnathidae)
Szabó, Z.; Kimokeo, B.K.; Toonen, R.J.; Randall, J.E. (2011). On the status of the Hawaiian seahorses Hippocampus hilonis, H. histrix and H. fisheri (Syngnathidae). Mar. Biol. Res. 7(7): 701-709
In: Marine Biology Research. Taylor & Francis: Oslo; Basingstoke. ISSN 1745-1000, more
Peer reviewed article  

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Keywords
    Hippocampus; Meristic characters; Morphology (animal); Syngnathidae Bonaparte, 1831 [WoRMS]; ISE, USA, Hawaii [Marine Regions]; Marine

Authors  Top 
  • Szabó, Z., editor
  • Kimokeo, B.K.
  • Toonen, R.J.
  • Randall, J.E.

Abstract
    Three species of seahorses of the genus Hippocampus are recognized within the Hawaiian Islands, H. kuda, H. fisheri and H. histrix. Based on molecular and morphological evidence H. kuda is treated here as two subspecies, the Hawaiian H. kuda hilonis and H. kuda kuda from elsewhere in the Indo-Pacific region. Molecular analysis also indicates that recent populations of H. kuda hilonis are not based on introduced fishes as their cytb sequence is identical to that of the H. hilonis holotype. Hippocampus fisheri is endemic to the Hawaiian Islands. The Hawaiian record of H. histrix is based on a specimen collected from O‘ahu in 1877 and one reported from Maui in 1928. The specimens are identified correctly, and there is no reason to doubt these old records, illogical as they seem.

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