Found in coastal reef slopes and deep outer reef lagoons in current channels. Usually in large groups with several large males . Inhabits sand-rubble bottoms . Found hovering above sandy slopes. Usually forms a harem of one male-phase fish and about a dozen female-phase fish . Normally buried when no current is running .
Dorsal spines (total): 3; Dorsal soft rays (total): 43 - 45; Anal spines: 1; Anal soft rays: 39 - 42. Identified by the long filaments on the dorsal fin of the male . Body scaleless above and below lateral line on anterior half (Ref 12934).: elongated.
Behavioural data for Long-rayed sand-diver is currently being reviewed.
Marine; reef-associated; depth range 2 - 40 m . Subtropical West Pacific: Maldive Islands to Micronesia and Fiji, north to Ryukyu Islands.
| Language | Common Names |
|---|---|
| 🇬🇧English | Elegant Sand Diver · Elegant sand-diver · Long-rayed Sand Diver · Threadfin Sand Diver |
| 🇯🇵Japanese | Ryuguberagimpo · リュウグウベラギンポ |
| 🇵🇹Portuguese | Aguile-elegante |
| 🇨🇳Chinese | 沙鰍 · 美麗毛背魚 · 美麗絲鰭鱚 |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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