Pastinachus stellurostris

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Pastinachus stellurostris
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Myliobatiformes
Family: Dasyatidae
Genus: Pastinachus
Species:
P. stellurostris
Binomial name
Pastinachus stellurostris
Last, Fahmi, & Naylor, 2010

Pastinachus stellurostris, the starrynose cowtail ray, is a type of tropical ray of the family Dasyatidae found mainly in Indonesia, specifically the estuary of Kapuas River in West Kalimantan. [1] [2] It is believed to inhabit both freshwater and brackish water. [2] This species is threatened by local fisheries due to being captured either deliberately or accidentally. [1]

Contents

Description

Not much is known about the biology, but investigations have been undergone and suggest that the starrynose cowtail ray can reach a maximum size of approximately 43 cm disc width. [1] The name "stellurostris", composed of the words "stella"/"starry" and "rostrum"/"snout", refers to the main characteristic of this species: star-shaped denticles on the snout. [2]

Habitat & distribution

The starrynose cowtail ray is originally known from West Kalimantan, Indonesia, albeit more recent studies indicate its existence in the Gulf of Thailand. [2] This demersal ray lives in shallow, fresh or brackish waters of an unknown depth. [1] It is often caught as target or bycatch by small-scale local fisheries. [1]

References

  1. 1 2 3 4 5 6 Sherman, C.S.; Bin Ali, A.; Bineesh, K.K.; Derrick, D.; Dharmadi, Fahmi; Fernando, D.; Haque, A.B.; Maung, A.; Seyha, L.; Tanay, D.; Utzurrum, J.A.T.; Vo, V.Q.; Yuneni, R.R. (19 May 2020). "Pastinachus stellurostris". IUCN Red List of Threatened Species . 19 May 2020 e.T104306247A104306271. Retrieved 20 February 2025.
  2. 1 2 3 4 Last, P. R.; Fahmi, W. T.; Naylor, G. J. P. (2010). "Pastinachus stellurostris sp. nov., a new stingray (Elasmobranchii: Myliobatiformes) from Indonesian Borneo" (PDF). CSIRO Marine and Atmospheric Research Paper. 32: 129–140.
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