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Hippocampus tristis Castelnau, 1872 Lazarus seahorse |
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photo by
Watson, S. |
| Family: | Syngnathidae (Pipefishes and seahorses), subfamily: Syngnathinae | |||
| Max. size: | 18 cm OT (male/unsexed) | |||
| Environment: | reef-associated; marine, non-migratory | |||
| Distribution: | Eastern Indian Ocean: South Australia. | |||
| Diagnosis: | Dorsal soft rays (total): 14-17; Anal soft rays: 4-4. 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). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||