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Hippocampus angustus Günther, 1870 Western spiny seahorse |
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photo by
Lourie, S.A. |
Family: | Syngnathidae (Pipefishes and seahorses), subfamily: Syngnathinae | |||
Max. size: | 22 cm TL (male/unsexed) | |||
Environment: | reef-associated; marine; depth range 3 - 63 m, non-migratory | |||
Distribution: | Indo-West Pacific: Australia (Western Australia to Queensland). | |||
Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 17-19. Description: (based on 54 specimens): Adult height: 7.8-15.5 cm. Rings: 11 + 33-34 (32-35). Snout length: 2.2 (2.0-2.5) in head length. Dorsal fin rays: 18 (17-19) covering 2+1 rings. Pectoral fin rays: 16-17 (15-19). Coronet: medium height with 5 well developed sharp spines. Spines: well developed (blunt or sharp tips); usually low in neck region. Other distinctive characters: double sharp cheek spines; double spine below eye; prominent, sharp eye spine. Color pattern: body often covered in a net-like pattern of brown markings; snout with fine stripes; spines with a brown band towards their tip. | |||
Biology: | Found in sheltered bays. Color varies from either white, orange or yellow with light patches and sometimes network of fine dark lines; also with narrow lines across snout. Ovoviviparous (Ref. 205), monogamous (Ref. 36642). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205). | |||
IUCN Red List Status: | Least Concern (LC); Date assessed: 19 August 2016 Ref. (130435) | |||
Threat to humans: | harmless |