Hippocampus spinosissimus   Weber  1913 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Ernest W.T. Cooper, TRAFFIC North America

Maximum recorded adult height: 17.2 cm

Color: Dark brown to white, dark saddles across dorso-lateral surface, darker cross-bands on tail.

Trunk rings: 11
Tail rings: 36 (33–39)
Rings supporting dorsal fin: 2 trunk rings and 1 tail ring
Dorsal fin rays: 17–18 (16–20)
Pectoral fin rays: 17 (16–19)
Spines: Well-developed, either blunt or sharp, usually longer on first, fourth, seventh and eleventh
trunk rings and with a regular series of longer spines on tail

Well-developed spines usually longer on 1st, 4th, 7th and 11th trunk rings and tail. Blunt-tipped spines border pouch in males, single or double cheek spines , nose spine is small or absent. Coronet low or medium in height, four or five sharp spines.

Maximum reported height at onset of sexual maturity 10.4 cm; breeding season year round, peaking May to October; maximum reported brood size 683.

This species is usually associated with seagrasses, seaweeds and sponges.

Similar species: H. barbouri, H. histrix

Synonym (s)
Hippocampus aimei Roule 1916

Common Name (s)
• Hedgehog Seahorse (English)
Economic Importance and Threats
Importance:  Commercial
(Dried for traditional medicine and curios; live for aquarium or hobbyist use.)

Habitat:  Benthic, Reef Associated, Sandy
IUCN Status:  Vulnerable


• Tamil Nadu INDIA (Record: 2008)
• East Coast, Coromandel INDIA (Record: 2008)
• Tamil Nadu, Palk Bay INDIA (Record: 2008)
• Tamil Nadu, Gulf of Mannar INDIA (Record: 2008)
• INDONESIA (Record: 2004)
• SINGAPORE (Record: 2004)
• SRI LANKA (Record: 2004)
• THAILAND (Record: 2004)
• BANGLADESH (Record: 2004)
• Tamil Nadu, Thondi INDIA (Record: 2005)

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Murugan, A; Dhanya, S; Rajagopal, S and Balasubramanian, T (2008) Seahorses and pipefishes of the Tamil Nadu coast Current Science 95 (2) 253-260 Available at - http://www.ias.ac.in/currsci/jul252008/253.pdf
  • Lourie, SA; Foster, SJ; Cooper, EWT and Vincent, ACJ (2004) A guide to the identification of Seahorses Project Seahorse and TRAFFIC North America. Washington D.C.: University of British Columbia and World Wildlife Fund. 1-114 Available at - http://seahorse.fisheries.ubc.ca

Page last updated on:2009-07-09

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