Hippocampus pusillus Fricke, 2004
Pygmy thorny seahorse
Hippocampus pusillus
photo by Fricke, R.

 Family:  Syngnathidae (Pipefishes and seahorses), subfamily: Hippocampinae
 Max. size: 
 Environment:  reef-associated; depth range 35 - 228 m, non-migratory
 Distribution:  Western Pacific: New Caledonia.
 Diagnosis:  Dorsal soft rays (total): 15-15; Anal soft rays: 12-13. This pygmy spiny seahorse is distinguished by the following characters: dorsal fin rays 15; pectoral fin rays 12-13; trunk rings 13; tail rings 34; subdorsal spines 3/0,1,0; moderately large nose spine, its height about equal to or slightly smaller than pupil; above the eyes, the double spine is moderately long, longer than pupil diameter; lateral head spine double and large; raised coronet with 6 groups of 1-6 spines each; restricted gill openings, not reaching to neck ridge; shoulder rings confluent over the neck ridge forming a continuous collar; upper shoulder ring spine opposite 9th-11th pectoral fin rays; snout length is approximately 45-47% of head length (Ref. 75989).
 Biology: 
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 21.11.08

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