Narcine baliensis, Indonesian numbfish

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Narcine baliensis Carvalho & White 2016

Indonesian numbfish
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Torpediniformes (Electric rays) > Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335);  baliensis: Named for the nearby island of Bali, close to the type locality between the islands of Bali and Lombok, Indonesia.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 海洋 底中水层性; 深度上下限 ? - 60 m (Ref. 114953).    ; 8°S - 10°S, 108°E - 116°E (Ref. 114953)

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Eastern Indian Ocean: off eastern Indonesia.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 116737); 30.6 cm TL (female)

简单描述 型态特徵 | 形态测量图

This species of is distinguished from its congeners by the following characters: dorsal color pattern unique, composed of large, circular, ovoid or elongate dark brown blotches on dorsal disc, interspersed with more numerous small (about eye-sized or greater) brownish, circular to ovoid spots, with large and small spots and blotches surrounded by a very slender creamy-white pattern, on a light brown to tan background color; differs from N. brevilabiata and N. atzi (which also possess few large brownish spots or blotches and numerous smaller spots) by having much fewer small spots or blotches and having the creamy-white, slender outline surrounding large and smaller spots and blotches on dorsal mid-disc; differs from N. brevilabiata by having much fewer small dark spots (vs. many small dark spots) and having tooth bands of subequal width that are broadly circular in outline (vs. strongly subtriangular tooth bands, with upper tooth band clearly wider than lower tooth); differs from N. antzi by having fewer smaller spots (vs. more numerous small spots, smaller than eye-diameter) and with dorsal fins subequal in height and length of base or first dorsal fin just slightly greater than second (vs. first dorsal fin conspicuously greater and with longer base than second dorsal fin). Narcine baliensis is also distinguished from the Indo-West Pacific and Indian Ocean species N. maculata, N. lingula and N. prodorsalis, by having the preoral distance greater than preorbital distance (about equal in former three species); and from the western Indian Ocean N. oculifera and N. insolita, N. baliensis is further distinct in having dorsal fins of subequal size (first dorsal fin much larger than second in N. oculifera and N. insolita) (Ref. 116737).

生物学特性     字汇 (例如 epibenthic)

The biology of this species is largely unknown, but presumed to feed on small benthic invertebrates as do other numbfishes. Females are presumed to be sexually mature at 30.6 cm TL; max length of 16.0 cm TL is that of an adolescent male (Ref. 116737).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 合作者 : Carvalho, Marcelo | 合作者

Carvalho, M.R. and W.T. White, 2016. Narcine baliensis, a new species of electric ray from southeast Asia (Chondrichthyes: Torpediniformes). Zootaxa 4127(1):149-160. (Ref. 116737)

世界自然保护联盟红皮书 (Ref. 123251)

  不评价 

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishipedia | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.1   ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  .
脆弱性 (Ref. 59153):  Low vulnerability (16 of 100) .