分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Myliobatiformes (Stingrays)
鰩目 (Stingrays) >
Dasyatidae (Stingrays)
土魟科 (Stingrays) > Dasyatinae
Etymology: Telatrygon: Name from Latin 'telum' for javelin, spear, arrow, dart and Greek 'trygon' for stingray; referring to the long, narrowly pointed snout possessed by all members of the genus; biasa: Name from the Indonesian and Malaysian word ‘biasa’ meaning ‘ordinary, common or normal’; referring to the frequent occurrence of this species in local fish markets; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 深度上下限 ? - 40 m (Ref. 110363).
Western North Pacific, including Indonesia and Malaysian Borneo; reported from the Philippines but no current specimens reported.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 18.5, range 18 - 19.3 cm
Max length : 28.7 cm WD 雄魚/尚未辨別雌雄; (Ref. 110363)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This species is distinguished by the following set of characters: relatively short snout, length of preorbital 28-29% DW, preoral 27-28% DW and prenasal 23-25% DW; relatively short disc, its length 97-105% DW; the preoral length is 1.5-1.6 times width between the first gill openings; small eyes, orbit length 5-7% DW; 107-114 pectoral-fin radials; total vertebral centra (excluding the first synarcual) 85-94 (Ref. 110363).
Demersal on the continental and insular shelves of up to approximately 40 m depth. Birth size is 7.0 - 9.0 cm WD (Ref. 110363).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Last, P.R., W.T. White and G. Naylor, 2016. Three new stingrays (Myliobatiformes: Dasyatidae) from the Indo-West Pacific. Zootaxa 4147(4):377-402. (Ref. 110363)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00195 - 0.01123), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
