ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (sharks and rays) >
Myliobatiformes (Stingrays) >
Dasyatidae (Stingrays) > Urogymninae
Etymology: astra: Name from Latin 'astrum' for star or constellation, refers to the dorsal coloration, which usually consists of dark spots orbited in various ways by whitish spots, vaguely resembling a cluster of stars, evident in larger specimens..
More on authors: Last, Manjaji-Matsumoto & Pogonoski.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদতলে ভাসমান বেনথোপেলাজিক; গভীরতার পরিসীমা 1 - 141 m (Ref. 76963). Tropical; 1°S - 29°S, 111°E - 155°E (Ref. 114953)
Indo-West Pacific: Australia, to West Papua, Indonesia; including Timor Sea (Ref. 76936); southern New Guinea (Ref. 114953).
Length at first maturity / আকৃতি / ওজন / Age
Maturity: Lm ?, range 50 - ? cm
Max length : 180 cm WD পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 76963)
A demersal species found inshore, over muddy bottoms or mangrove flats to 140 m depth. Litters of 1-3 pups. Feeds mainly on prawns and crabs (Ref. 114953). Birth size for this species is about 17-19 cm WD (Ref. 76963).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Last, P.R., B.M. Majajii-Matsumoto and J.J. Pogonoski, 2008. Himantura astra sp. Nov., a new whipray (Myliobatoidei: Dasyatidae) from Northern Australia. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of New Australian Chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. (Ref. 76963)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
Download XML
ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 24.5 - 28.8, mean 27.7 °C (based on 748 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00606 - 0.04338), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.7 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).