Hippocampus angustus
Narrow-bellied seahorse 		   
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Hippocampus  angustus  Günther, 1870  
Family:   Syngnathidae (Pipefishes and seahorses) , subfamily: Hippocampinae picture (Hiang_f0.jpg) by Lourie, S.A.
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Order:   Syngnathiformes  (pipefishes and seahorses)
Class:   Actinopterygii (ray-finned fishes)
FishBase name: Narrow-bellied seahorse
Max. size:   22.0 cm Total Length (male/unsexed; Ref. 3132)
Environment:   reef-associated; non-migratory; marine ; depth range 3 - 63 m
Climate: subtropical; 10°S - 24°S
Importance:   fisheries: minor commercial; aquarium: public aquariums
Resilience:   Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K and tmax.)
Distribution:  
Gazetteer 		Eastern Indian Ocean: northwestern Australia only, from Torres Strait to North West Cape. Records from Queensland need verification; often misidentified with Hippocampus histrix.
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.
Red List Status: Data deficient, see IUCN Red List  , Project Seahorse , (Ref. 36508) , The previous assessment (VU) was wrong - this referred to a different species (at the time, A. subelongatus was mistaken for A. angustus) (Ref. 44092).
Dangerous:   harmless
Coordinator:    
Main Ref:   Lourie, S.A., A.C.J. Vincent and H.J. Hall. 1999. (Ref. 30915)

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