A Severn's pygmy seahorse (Hippocampus severnsi), at only about one-quarter inch long, is very difficult to spot.

This seahorse was identified as a separate species only within the last few years.

(Kansas, North Save-a-Tack, Fiji)

fish; seahorse; pygmy seahorse; Severn's pygmy seahorse; Chordata; sC Osteichthyes; Actinopterygii; sC Neopterygii; iC Teleostei; sO Acanthopterygii; Syngnathiformes; subO Syngnathoidei; Syngnathidae; Hippocampus severnsi