Hippocampus hendriki


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Hippocampus hendriki
Species Authority: Kuiter, 2001
Common Name/s:
English Eastern Spiny Seahorse
Hippocampus sp. 1
Taxonomic Notes: This species has been confused with other species such as Hippocampus angustus, H. multispinus and H. grandiceps.  Genetic testing is recommended to confirm its distinctness from H. angustus. 

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2010
Date Assessed: 2009-01-28
Assessor/s: Fritzsche, R., Matsuura, K., Collette, B., Nelson, J., Dooley, J., Carpenter, K., Bartnik, S., Robinson, E., Sorensen, M. & Morgan, S.K.
Reviewer/s: Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.
Contributor/s: De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P., Smith, J. & Livingston, F.
Hippocampus hendricki is only known from the type specimens therefore is Data Deficient.

Geographic Range [top]

Range Description: Hippocampus hendriki is restricted to the inner Great Barrier Reef area, from the Capricorn region to Cape York in Queensland.
Australia (Queensland)
FAO Marine Fishing Areas:
Pacific – western central
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is only known from type specimens.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Hippocampus hendriki has been collected from trawls on flat substrate at depths of 18 to 25m (Kuiter 2000) Males carry the eggs in a brood pouch which is found under the tail.
Systems: Marine

Threats [top]

Major Threat(s): There are no major threats reported for Hippocampus hendriki.

It may potentially be taken as by-catch by shrimp fisheries.

Conservation Actions [top]

Conservation Actions: Hippocampus hendriki has been listed under CITES appendix II ensuring that international trade of this species is monitored.

All sygnathids are subject to export controls of the Coomonwealth Wildlife Protection (Regulation of Exports and Imports) Act 1982 since 1998.

All syngnathids and solenostomids are listed as marine species under s248 of the EPBC Act 1999.

This species is known to occur in the Great Barrier Reef Marine Park and World Heritage Area, Queensland.
Citation: Fritzsche, R., Matsuura, K., Collette, B., Nelson, J., Dooley, J., Carpenter, K., Bartnik, S., Robinson, E., Sorensen, M. & Morgan, S.K. 2010. Hippocampus hendriki. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <>. Downloaded on 17 April 2014.
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