Australian populations of H. whitei are protected under the Australian Wildlife Protection Act.
Breeding season October to April; found in pairs in the wild; sexually monogamous in the wild; egg diameter averages 1.8 mm; gestation duration 21–22 days; length at birth averages 8.5 mm; brood size usually 100–250.
The entire genus Hippocampus is listed in Appendix II of CITES, effective May 20041. H. whitei is
listed as Data Deficient by IUCN13. Environment Australia lists the conservation status of H. whitei
as Data Deficient39; Australian populations were moved under the Australian Wildlife Protection Act
in 1998 and placed under the Environment Protection and Biodiversity Conservation Act in 2001