Sphyrna tudes, Smalleye hammerhead : fisheries

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Sphyrna tudes (Valenciennes, 1822)

Smalleye hammerhead
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Sphyrna tudes   AquaMaps   Data sources: GBIF OBIS
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Sphyrna tudes
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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) > Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Sphyrna: Probable misspelling of sphyra (Gr.), hammer, referring to their hammer-shaped heads. (See ETYFish);  tudes: Latin for hammer, referring to its hammer-shaped head. (See ETYFish).
More on author: Valenciennes.

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

海洋 底中水层性, usually ? - 12 m (Ref. 244). 亞熱帶的; 46°N - 57°S, 73°W - 37°E (Ref. 244)

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Southwest Atlantic: Venezuela to Argentina (Ref. 58839). Also Mediterranean Sea and Eastern Pacific (Ref. 7251).
西南大西洋: 委內瑞拉到烏拉圭。 也地中海與東太平洋.(參考文獻 7251)

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 134 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244); 148.0 cm TL (female)

生物学特性     字汇 (例如 epibenthic)

A little-known inshore shark of the continental shelf, found down to at least 12 m depth. Feeds on small bony fishes, including sea catfish and grunts, but also newborn scalloped hammerheads, swimming crabs, squids, and shrimp. Viviparous with a yolk-sac placenta; number of young probably 6 to 9 per litter (Ref. 244).

被发现的大陆架的所知极少近海鲨鱼向下至至少 12 公尺深。 吃小的硬骨鱼类,包括海洋鲶鱼与咕噜咕噜声, 也新生小鱼有荷叶边的 hammerheads ,游泳螃蟹,乌贼与虾了。 胎生的具有一个卵黄囊胎盘; 幼鱼数目可能 6 到 9 每胎.(参考文献 244)

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

Viviparous, with yolk-sac plazenta; number of young probably 6 - 9 per litter. Size at birth about 30 cm.西南大西洋: 委內瑞拉到烏拉圭。 也地中海與東太平洋.(參考文獻 7251)

主要参考文献 Upload your references | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

世界自然保护联盟红皮书 (Ref. 130435)

  极度濒危 (CR) (A2bd); Date assessed: 01 July 2019

CITES


CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 自给性渔业
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更多信息

俗名
同种异名
新陈代谢
捕食者
生态毒物学
繁殖
成熟度
产卵场
产卵群集
孕卵数

卵的发育
年龄范围
成长
体长-体重
体长-体长
体长-频率
形态测量图
型态特徵
仔鱼
稚鱼动力学
入添量
丰度
BRUVS
参考文献
养殖
养殖信息
品种
遗传学
Electrophoreses
遗传率
疾病
加工
Nutrients
Mass conversion
合作者
照片
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声音
神经毒
速度
泳型
鳃区
Otoliths
脑重体重比
眼睛色素

工具

特别资料

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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 | 国家资料库 | 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 | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 123201): 17.6 - 27.8, mean 21.1 °C (based on 613 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5029   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00157 - 0.00767), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.6   ±0.4 se; based on diet studies.
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Fec=6).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (89 of 100).
价格分类 (Ref. 80766):   High.