Neotrygon orientalis
Last updated
Wibowo Djatmiko (Wie146) · via Wikipedia: Neotrygon orientalis · CC BY-SA 4.0
It was described as a new species by Last, White & Serét in 2016.[1][2] The species is accepted in the family Dasyatidae under the order Myliobatiformes.[1][2]
Scientific classification
- KingdomAnimalia
- PhylumChordata
- ClassChondrichthyes
- SubclassElasmobranchii
- OrderMyliobatiformes
- FamilyDasyatidae
- GenusNeotrygon
- SpeciesNeotrygon orientalis
Named by Last, White & Serét, 2016
Close relatives
Other species of Neotrygon with a Codexery entry.
- Kuhl's maskray Neotrygon kuhlii
- Neotrygon australiae Neotrygon australiae
- Ningaloo maskray Neotrygon ningalooensis
- Peppered maskray Neotrygon picta
- Plain maskray Neotrygon annotata
Sources: Wikipedia taxobox: Neotrygon orientalis (CC BY-SA 4.0) · order, family and genus agree with WoRMS AphiaID 1382144 (CC BY 4.0)
Conservation status
Least Concern (LC)
- LC▲ this species
- NT
- VU
- EN
- CR
- EW
- EX
Source: IUCN Red List assessment · GBIF copy of the Red List category
How big is it?
Largest length in the source, 0.38 m, next to a 1.8 m person.
Diagram: drawn by Codexery, schematic shapes to scale (not a likeness). Length: Wikipedia: Neotrygon orientalis
Where the neotrygon orientalis has been recorded
Map: drawn by Codexery. Data: Natural Earth basemap (public domain) · place coordinates: Wikipedia (CC BY-SA 4.0)
Biology and range
Its distribution includes Sumatra, Java, Kalimantan, Sulawesi, Sabah, Sarawak, Singapore, Brunei, Philippines, and Taiwan.[3] The maximum disc width for males is 38 cm.[4] Reproduction is viviparous, and size at birth is approximately 12 cm disc width.[5] The species can be distinguished from Neotrygon kuhlii by abruptly angular pectoral apices, a dusky ventral tail fold, a small mouth, and moderate-sized blue spots.[4]
It is often confused with Neotrygon yakkoei and other members of the kuhlii complex.[4] This species occupies nearshore environments from the water's surface down to roughly 100 meters in depth.[3] According to phylogenetic analysis, N. orientalis and N. varidens together constitute a sister group to N. indica.[4]
What the specialist sources record
That study highlighted the importance of molecular tools for distinguishing morphologically similar marine species in the Indo-Pacific.[6] The IUCN Red List assessed N. orientalis in 2020 with an amendment in 2022, listing it as Least Concern with a stable population trend.[7] GBIF holds 13 occurrence records for this taxon as of October 2026.[2] A study by Panithanarak and co-authors employed mitochondrial COI sequences to verify species distinctions among Neotrygon species found in Thai waters.[6]
References
- World Register of Marine Species, Neotrygon orientalis (AphiaID 1382144). CC BY 4.0. marinespecies.org
- GBIF Backbone Taxonomy and occurrence index, Neotrygon orientalis (taxon key 11138776). CC BY 4.0 (backbone); counts are facts. gbif.org
- Wikipedia, "Neotrygon orientalis" (CC BY-SA 4.0), which cites: Last, "Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific", Zootaxa, 23 February 2016, p. 533–561; Sherman, "Neotrygon orientalis", 2022; Sherman, "Neotrygon orientalis", 2022; Sherman, "Neotrygon orientalis", 2022; Sherman, "Neotrygon orientalis", 2022 (original not read by us) en.wikipedia.org
- Wikipedia, "Neotrygon orientalis" (CC BY-SA 4.0), which cites: Last, "Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific", Zootaxa, 23 February 2016, p. 533–561; Last, "Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific", Zootaxa, 23 February 2016, p. 533–561; Hata, "Neotrygon yakkoei, a new bluespotted maskray (Dasyatidae) from Japan", Ichthyological Research, 1 Apri en.wikipedia.org
- Wikipedia, "Neotrygon orientalis" (CC BY-SA 4.0), which cites: Sukmawati, "Stingray (Neotrygon orientalis) population structure based on catch data in Nusantara Fishery Port (Pelabuhan Perikanan Nusantara/PPN) Brondong, Lamongan", Journal of Marine Resources and Coastal Management, (original not read by us) en.wikipedia.org
- Panithanarak, "Resolving Species Identification and Distribution Patterns of Neotrygon spp. in Thai Waters: Inefficiency of Morphometric Analysis and the Power of COI Gene Barcoding and Phylogenetics", Journal of Fisheri. facts only, no text reused. li01.tci-thaijo.org
- Wikipedia, "Neotrygon orientalis" (CC BY-SA 4.0), which cites: Sherman, "Neotrygon orientalis", 2022 (original not read by us) en.wikipedia.org
Each numbered sentence above was checked against the source it cites before publication. Sentences citing Wikipedia adapt text from the English Wikipedia article Neotrygon orientalis (contributors), used under CC BY-SA 4.0; this entry is available under the same licence. Other sources were used for facts only; no text or images are copied from them.
More in Rays
Sources
Compiled from Wikipedia and the sources listed below. Text from Wikipedia is available under CC BY-SA 4.0; this entry is adapted from it.
- Wikipedia: Neotrygon orientalis (CC BY-SA 4.0).
- Classification: the source article's taxobox; order, family and genus checked against WoRMS, the World Register of Marine Species (CC BY 4.0).
- Conservation status: IUCN Red List assessment.
- Occurrence records: GBIF (CC0 / CC BY). Basemap: Natural Earth (public domain).
- Word definitions: the Codexery glossary, each quoted from its Wikipedia article.
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