Schroederichthys saurisqualus, Lizard catshark

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Schroederichthys saurisqualus Soto, 2001

Lizard catshark
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Schroederichthys saurisqualus   AquaMaps   Data sources: GBIF OBIS
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Image of Schroederichthys saurisqualus (Lizard catshark)
Schroederichthys saurisqualus
Picture by Bornatowski, H.

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) > Atelomycteridae (Coloured catsharks)
Etymology: Schroederichthys: In honor of American ichthyologist William C. Schroeder (1895-1977), Woods Hole Oceanographic Institution, for his pioneering work (with Henry B. Bigelow) on cartilaginous fishes; ichthyos (Gr.), fish. (See ETYFish);  saurisqualus: saurus, from sauros (Gr.), lizard; squalus (L.), a sea-fish, usually applied to sharks, from vernacular “lizard catshark,” presumably referring to its slender, lizard-like body and long tail. (See ETYFish).

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

海洋 深海底的; 深度上下限 122 - 435 m (Ref. 56497). 深水域

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

Southwest Atlantic: southern Brazil.
西南大西洋: 巴西南部。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - 69 cm
Max length : 58.2 cm TL 雄鱼/尚未辨别雌雄; (Ref. 56497); 69.2 cm TL (female)

简单描述 型态特徵 | 形态测量图

Diagnosis: This species is differs from S. tenuis in size at maturity, males 57.8 cm (vs. 42.8) and females 69.2 cm (vs. 37); maximum total length , males 58.8 cm (vs. 46.8) and females 69.2 cm (vs. 42.6); color pattern presence of white spots (vs. none); in having longer interdorsal space, 20.7-22.3% (vs. 17.2-20.6%); longer pelvic-anal space 19.2-20.8% (vs. 14.7-19.4%); dermal denticles morphology, rounded (vs. pointed); and, greater number of vertebrae, 120-123 (vs. 108-113) (Ref. 56497).
鉴别: 这种是在大小方面有别于 S. tenuis 成熟时, 雄性 57.8 公分 (vs.42.8) 与雌性 69.2 公分;(vs.37) 最大的全长 , 雄性 58.8 公分 (vs.46.8) 与雌性 69.2 公分;(vs.42.6) 彩色斑纹有白色的斑点;(vs. 没有) 有较长的间背片的间隙, 20.7-22.3%;(vs.17.2-20.6%) 较长的腹鳍与肛门的间隔 19.2-20.8%;(vs.14.7-19.4%) 表皮的细齿形态学, 圆的;(vs. 尖的) 并且, 較多的脊椎骨, 120-123(vs.108-113).(參考文獻 56497)

生物学特性     字汇 (例如 epibenthic)

Found in deep-reef habitat on the continental slope, generally in depths greater than 250 meters (122-435 m), with deepwater gorgonians, hard corals, tube sponges, crinoids, ophiuroids, and a great number of sympatric scyliorhinid shark Scyliorhinus haeckelii (Ref. 56497). Oviparous (Ref. 50449); with one egg per oviduct laid at a time. Egg capsule grayish olive (fresh) to brownish (fixed), with filamentous superficial texture (Ref. 56497).

在大陆棚休息上发现于深-礁栖息地了; 通常在深度大于中 250 公尺 (122-435 公尺), 藉由深水的柳珊瑚, 坚硬的珊瑚,管海绵,海百合类动物,阳燧足与很多的分布区重迭的 scyliorhinid 鲨鱼 Scyliorhinus haeckelii.(参考文献 56497) 卵生的;(参考文献 50449) 每个输卵管一次放置一个卵。 卵鞘浅灰色的橄榄色 (生鲜地) 到褐色的 (固定的), 有丝状的表面质地.(参考文献 56497)

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

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).西南大西洋: 巴西南部。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Soto, J.M.R., 2001. Schroederichthys saurisqualus sp. nov., (Carcharhiniformes, Scyliorhinidae) a new species of catshark from southern Brazil, with further data on Schroederichthys species. Mare Magnum 1(1):37-50. (Ref. 56497)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (A2cd); Date assessed: 01 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
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网络资源

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Estimates based on models

Preferred temperature (Ref. 123201): 12.2 - 18.1, mean 15.5 °C (based on 15 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
营养阶层 (Ref. 69278):  3.8   ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Fec = 2).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100).