Papers/Abstracts

Two new pygmy seahorses (Teleostei: Syngnathidae: Hippocampus) from the Indo-West Pacific

Martin F. Gomon and Rudie H. Kuiter

aqua, International Journal of Ichthyology, pp. 37-44, Volume 15, Issue 1 – 15 January 2009

Abstract

Two new pygmy species of the syngnathid genus Hippocampus are described, each from a single specimen. An apparent Red Sea endemic, H. debelius n. sp., the larger of the two, is easily separated from other pygmy seahorses by the long spine-like processes on its head, trunk and tail, separate gill openings and the presence of an external tail pouch in males for brooding the young. The second, H. waleananus n. sp., known only from Sulawesi, has a more rounded trunk, at least in one of the sexes, similar to that of H. colemani Kuiter, 2003, H. pontohi Lourie & Kuiter, 2008, H. severnsi Lourie & Kuiter, 2008 and H. satomiae Lourie & Kuiter 2008, and like those species, has short, often tubercular spines, where present. It differs from H. bargibanti Whitley, 1970 in having 12 dorsal fin rays (versus 14) and nine pectoral fin rays (versus 10 or 11) and from the others in having a long tail with 32 rings (versus 26-31).

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REFERENCES

DEBELIUS, H. 1998. Red Sea Reef Guide. IKAN-Unterwasserarchiv, Frankfurt. 321 pp.

GOMON, M. F. 1997. A remarkable new pygmy seahorse (Syngnathidae: Hippocampus) from southeastern Australia, with a redescription of H. bargibanti Whitley from New Caledonia. Memoirs of the Museum of Victoria 56: 245-253.

KUITER, R. H. 2000. Seahorses, pipefishes and their relatives.TMC Publishing, Chorleywood, 240 pp.

KUITER, R. H. 2003. A new pygmy seahorse (Syngnathidae: Hippocampus) from Lord Howe Island. Records of the Australian Museum 55: 113-116.

LOURIE, S. A. & KUITER, R. H. 2008. Three new pygmy seahorse species from Indonesia (Teleostei: Syngnathidae: Hippocampus). Zootaxa 1963: 54-68.

LOURIE, S. A. & RANDALL, J. E. 2003. A new pygmy seahorse, Hippocampus denise (Teleostei: Syngnathidae) from the Indo-Pacific. Zoological Studies 42: 284-291.

LOURIE, S. A., VINCENT, A. C. J. & HALL, H. J. 1999. Seahorses. An identification guide to the world’s species and their conservation. Project Seahorse. X + 214 pp.

WHITLEY, G. P. 1970. In: Abstracts of Proceedings. Proceedings of the Linnean Society of New South Wales 94 (3) No. 421: 294.

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