Diamond leatherjacket (Rudarius excelsus), first described by Hutchins, 1977 is a tiny fish in the family Monacanthidae (order Tetraodontiformes). Adults typically reach 2.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 8 to 25 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.
Dorsal spines (total): 2; Dorsal soft rays (total): 22 - 24; Anal soft rays: 20 - 22; Vertebrae: 20. Diagnosis: Extremely small size at maturity (1.5 cm SL). Prominently elevated dorsal and ventral profiles. Extremely long bristles on caudal peduncle of male, projecting posteriorly to behind middle of caudal fin. Low fin ray counts (D.22 to 24; A.20 to 22; P.10) . : short and / or deep.
Behavioural data for Diamond leatherjacket is currently being reviewed.
Marine; reef-associated; depth range 8 - 25 m . Tropical
| Language | Common Names |
|---|---|
| 🇬🇧English | Diamond Filefish · Diamond Leatherjacket |
| 🏳️Catalan | Peix llima diamant |
| 🇯🇵Japanese | Sedakakawahagi · セダカカワハギ |
| 🇵🇹Portuguese | Peixe-porco-diamante |
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Rudarius excelsius | Hutchins | 1977 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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