Ikan bertulang rawan (sharks and rays) >
Myliobatiformes (Stingrays) >
Dasyatidae (Stingrays) > Neotrygoninae
Etymology: yakkoei: Name 'yakkoei' is derived from the standard Japanese name 'yakkoei' (meaning ?).
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut berasosiasi dengan karang; kisaran kedalaman 8 - 60 m (Ref. 137605). Subtropical
Northwest Pacific: Japan.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 35.0 cm WD jantan/; (Ref. 137605); 42.5 cm WD (female)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
This species is distinguished by the following set of characters: when fresh, body greenish brown with single dark mask-like marking between eyes (often indistinct); there are fewer spots (mean 20.4); small pale blue spots (in fresh) surrounded by dark brown outer rings [1.2-3.4% DW (2.6% DW)]; longer head length (35.9–43.4% DW; mean 39.1% DW) (Ref. 137605).
Body shape (shape guide): other; Cross section: flattened.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Hata, H. and H. Motomura, 2024. Neotrygon yakkoei, a new bluespotted maskray (Dasyatidae) from Japan. Ichthyol. Res. 72(2):229-239. (Ref. 137605)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.01096 (0.00348 - 0.03450), b=3.11 (2.85 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Moderate vulnerability (40 of 100). 🛈 |