Teleostei (teleosts) >
Syngnathiformes (Pipefishes and seahorses) >
Syngnathidae (Pipefishes and seahorses) > Syngnathinae
Etymology: Hippocampus: Greek, ippos = horse + Greek,kampe = curvature (Ref. 45335).
Issue
This species is a synonym of Hippocampus Kuda Bleeker, 1852 according to Lourie et al., 2016 (Ref. 115213). But reconfirmed by Kuiter (2020) on the basis of a new observed specimen.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; non-migratory. Temperate
Eastern Indian Ocean: South Australia.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm OT male/unsexed; (Ref. 123057)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 14 - 17; Anal soft rays: 4. This species is distinguished by the following characters: D 14-17; subdorsal rings 2+1-2; tail rings 33-34; nose profile straight with a small spine; head and body spines small and blunt, proportionally small in largest specimen; most trunk ridges are with low tubercles; upper shoulder-ring spine is just below gill opening; lower shoulder-ring spine thick, knoblike, single or double with less developed secondary spine anteriorly; neck ridge is short and distinctly raised above gill openings (Ref. 123057).
Cross section: angular.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kuiter, R.H., 2020. Hippocampus tristis, a Lazarus species of seahorse (Teleostei: Syngnathidae) from Australia. J. Ocean Sci. Found. 35:41-47. (Ref. 123057)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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