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Bathyraja leucomelanos Iglésias & Lévy-Hartmann, 2012

Domino skate
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Bathyraja leucomelanos
Picture by Iglesias, S.P.

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) > Rajiformes (Skates and rays) > Arhynchobatidae (Skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335);  leucomelanos: The species name leucomelanos, derived from the Greek leuco (white) and melanos (black), refers to the coloration with white and black dorsal and ventral surfaces, respectively.

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

; 海洋 深海底的, usually 953 - 1022 m (Ref. 89184).    ; 20°S - 22°S, 157°E - 160°E (Ref. 114953)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Southwest Pacific: Coral Sea (off New Caledonia).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 88.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 89184)

简单描述 型态特徵 | 形态测量图

A medium-sized species of Bathyraja with the following combination of characters: snout long, pointed and very broad, supported by a slender flexible medial cartilage; margin of disc (anterior two-thirds) straight. Orbit about 6.0 times in preorbital length and 0.73 times interorbital width. Mouth moderately broad, 6.8% TL; outer margins of nasal curtain with distinct, broadly triangular lobelet immediately posterior to each nostril; posterior margin of nasal curtain with prominent fringes. Tail of moderate length (about 0.9 times precloacal length), slightly depressed and slender; lateral skin fold moderately developed. Dorsal surface of disc and tail entirely covered with small and fine dermal denticles; ventral surface naked; disc entirely free of enlarged thorns; tail with single median row of 18 large thorns laterally compressed. Dorsal fins small, oblique, about equal in height; epichordal caudal-fin lobe developed. Dorsal surface mostly uniformly white except for black color along disc and tail margins, anterior lobes of pelvic fins, claspers, and dorsal fins. Ventral surface entirely black. Clasper glans with pseudosiphon and component projection; ventral terminal cartilage spoonlike; accessory terminal 2 cartilage with an expanded disc-shaped tip. Distal section of crowns of alar thorns undulating. Tooth rows: 30 in upper jaw, 28 in lower jaw; trunk centra 35; predorsal caudal centra 70; diplospondylous centra 109; pectoral-fin radials 88 (Ref. 89184).

生物学特性     字汇 (例如 epibenthic)

Probably a benthic species, found more widespread on deep insular slopes of Coral Sea (Ref. 114953).

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 : McEachran, John | 合作者

Iglésias, S.P. and L. Lévy-Hartmann, 2012. Bathyraja leucomelanos, a new species of softnose skate (Chondrichthyes: Arhynchobatidae) from New Caledonia. Ichthyol. Res. 59(1):38-48. (Ref. 89184)

世界自然保护联盟红皮书 (Ref. 120744)

  最不相关 (LC) ; Date assessed: 21 June 2017

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

FAO(Publication : search) | FishSource |

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特别资料

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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 | 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 | 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=0.00490 (0.00240 - 0.00999), b=3.13 (2.96 - 3.30), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.0   ±0.7 se; Based on size and trophs of closest relatives
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 ().
脆弱性 (Ref. 59153):  High vulnerability (60 of 100) .