分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Benthobatis: Greek, benthos = depth of the sea + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335); yangi: Named for Hung-Chia Yang, Taiwanese Fisheries Research Institute in Kao-Hsiung..
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 ? - 300 m (Ref. 114953). Temperate
Northwest Pacific: Taiwan.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 20.3, range 19 - 21.5 cm
Max length : 21.5 cm TL オス/雌雄の選別がない; (Ref. 75959)
簡単な記述
形態学 | 形態計測学
This species is distinguished from all its congeners by the following unique set of characters: both dorsal and ventral surfaces dark brown to purplish-black, with irregular whitish blotches ventrally; narrow nasoral region, with relatively small mouth, slender jaws and shallow circumoral groove; relatively small spiracles; very narrow gill-slits; the second dorsal fin is slightly larger than first, with more slanted anterior margin, broadly rounded apex, and convex posterior margin; low caudal fin, relatively elongated; interdorsal distance greater than distance between second dorsal and caudal fin; suprascapula very narrow and not arched posteriorly; males sexually mature between 19.1-21.5 cm TL; relatively high number of caudal vertebral centra (38-46), total vertebral centra (116-120) (Ref. 75959).
A benthic species found on continental slope. Mainly feeds on polychaete worms (Ref. 114953). Stomach contents include mud and the partial remains of an unidentified polychaete worm, plus unattached polychaete bristles and unidentified small white objects (Ref. 75959). Maturity size of males at 16-19 cm TL (Ref. 114953).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
de Carvalho, M.R., L.J.V. Compagno and D.A. Ebert, 2003. Benthobatis yangi, a new species of blind electric ray from Taiwan (Chondrichthyes: Torpediniformes: Narcinidae). Bull. Mar. Sci. 72(3):923-939. (Ref. 75959)
Human uses
より多くの情報
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
特記事項
XMLをダウンロードして下さい
インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00476 - 0.02897), b=2.88 (2.66 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
