Teleostei (teleosts) >
Syngnathiformes (Pipefishes and seahorses) >
Syngnathidae (Pipefishes and seahorses) > Syngnathinae
Etymology: Hippocampus: Greek, ippos = horse + Greek,kampe = curvature (Ref. 45335).
Eponymy: Colonel Dr Atmaram Sadashiv Grandin Jayakar (1844–1911) was an Indian surgeon and entomologist. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; non-migratory; depth range 0 - 80 m (Ref. 81209), usually 2 - 3 m (Ref. 30915). Tropical
Western Indian Ocean: Red Sea and Arabian Sea (Israel), Oman and Pakistan.
Length at first maturity / Size / Weight / Age
Maturity: Lm 11.0 range ? - ? cm
Max length : 14.0 cm OT male/unsexed; (Ref. 45091)
Short description
Identification keys | Morphology | Morphometrics
Found in seagrass beds, e.g. Halophila spp. Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Male carries the eggs in a brood pouch (Ref. 205).
Lourie, S.A., R.A. Pollom and S.J. Foster, 2016. A global revision of the seahorses Hippocampus Rafinesque 1810 (Actinopterygii: Syngnathiformes): taxonomy and biogeography with recommendations for further research. Zootaxa 4146(1):1-66. (Ref. 115213)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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![Image of Hippocampus jayakari (Jayakar\](/images/thumbnails/jpg/tn_Hijay_m0.jpg "Image of Hippocampus jayakari (Jayakar\")
