Cephaloscyllium variegatum, Saddled swellshark

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Cephaloscyllium variegatum Last & White, 2008

Saddled swellshark
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This map was computer-generated and has not yet been reviewed.
Cephaloscyllium variegatum   AquaMaps   Data sources: GBIF OBIS
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) 白眼鮫目 (Ground sharks) > Scyliorhinidae (Cat sharks) 貓鮫科(Cat sharks) (Cat sharks) > Scyliorhininae
Etymology: Cephaloscyllium: cephalus, from kephale (Gr.), head, referring to its very broad and depressed head; skylion, Greek for dogfish or small shark. (See ETYFish);  variegatum: Latin for varied or various, referring to strong intraspecific and ontogenetic variability in color pattern and morphology amongst the specimens examined. (See ETYFish).
More on authors: Last & White.

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

海洋 深海区的; 深度上下限 114 - 606 m (Ref. 76948).

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

Southwest Pacific: Australia.

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 63 - ? cm
Max length : 72.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 76948); 74.0 cm TL (female)

简单描述 型态特徵 | 形态测量图

This medium-sized species is distinguished by the following set of characters: head 9.4-10.5% TL in height, trunk width 14.5-17.1% TL; origin of first dorsal fin over or slightly behind mid pelvic-fin base; prenarial 4.4-5.0% TL in length; length of preorbital snout, 1.5-1.7 times prenarial length, 2.9-3.3 in prepectoral length, 6.4-7.2 in prepelvic length; snout-vent length long, 50.5-52.9% TL; nostril 2.4-2.6% TL in width; eye-spiracle space wide, 0.8-1.3% TL; pectoral fin large, height 12.9-13.2% TL, posterior margin length 10.4-12.1% TL; anal fin 3.5-4.1% TL in height; anal-caudal space 4.5-5.7% SL; precaudal 76-78% TL in length; interdorsal space 6.5-8.0% TL; teeth with 3-7 cusps near symphysis of upper jaw; flank denticles are mainly unicuspidate; back with no greatly enlarged denticles; long adult clasper, up to 8.1% TL, almost reaching anal fin, interspace about 5.4 in anal-fin base; vertebral centra 116-124; teeth in each jaw 68-82; variable colour pattern, not similar between adults and juveniles; adults have 11 distinct or indistinct dark saddle-like markings on body and tail while juveniles are without saddles, instead with fine blackish spots; predorsal saddles are not much wider than interspaces between them; interspiracular saddle width is subequal to eye length; obvious dark blotch over gill slits none; fleshy part of caudal fin appearing as a pale stripe, well demarcated from darker areas above and below (Ref. 76948).

生物学特性     字汇 (例如 epibenthic)


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 : Compagno, Leonard J.V. | 合作者

Last, P.R. and W.T. White, 2008. Two new saddled swellsharks (Cephaloscyllium: Scyliorhinidae) from Eastern Australia. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of New Australian Chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. (Ref. 76948)

世界自然保护联盟红皮书 (Ref. 130435)

  临近濒危 (NT) (A2bd); Date assessed: 03 December 2018

CITES

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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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | 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

Preferred temperature (Ref. 123201): 12 - 17.7, mean 13.8 °C (based on 13 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00139 - 0.00497), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.1   ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100).