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Rhizoprionodon lalandii (Valenciennes, 1839)

Brazilian sharpnose shark
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Native range | All suitable habitat | Point map | Year 2050
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Rhizoprionodon lalandii   AquaMaps   Data sources: GBIF OBIS
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Rhizoprionodon lalandii
Picture by Vianna, M.

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) > Carcharhinidae (Requiem sharks) 白眼鮫科 (Requiem sharks)
Etymology: Rhizoprionodon: rhiza (Gr.), root; prion (Gr.) saw; odon (Gr.), tooth, referring to teeth with serrated (saw-like) bases, or roots [replacement name for Rhizoprion Ogilby 1915, preoccupied by Rhizoprion Jourdan 1861 in mammals] (See ETYFish)lalandii: In honor of naturalist and explorer Pierre Antoine Delalande (1787-1823), who collected type [authorship often attributed to Müller & Henle, who published Valenciennes’ description] (See ETYFish).
Eponymy: Pierre Antoine Delalande (1787–1823) was a French naturalist and explorer who worked for Muséum National d’Histoire Naturelle, Paris. [...] (Ref. 128868), visit book page.

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

海洋 居于水底的; 深度上下限 3 - 70 m (Ref. 244). 熱帶; 13°N - 35°S, 78°W - 31°W

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

Western Atlantic: Panama to southern Brazil and Uruguay (Ref. 58839).
西大西洋: 巴拿馬到巴西南部。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 61.8, range 58 - ? cm
Max length : 80.0 cm TL (female); common length : 55.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5217); 最大体重: 0.00 g

生物学特性     字汇 (例如 epibenthic)

Inhabits shallow coastal waters, on sandy and muddy bottoms, and not normally found in lagoons and estuaries (Ref. 244). Feeds on small bony fishes, including sardines and anchovies, also shrimp and squid (Ref. 244). Viviparous, with 1 to 4 young in a litter; size at birth 33 to 34 cm (Ref. 244). Its flesh is highly appreciated and is marketed dried salted.

在沙泥底上, 栖息于沿岸浅水区, 而不是通常发现于泻湖与河口.(参考文献 244) 吃小的硬骨鱼类,包括沙丁鱼与 鱼,也捕食虾与乌贼。 (参考文献 244) 胎生的,1 到 4 幼鱼在一胎; 出生时大小 33 到 34 公分。 (参考文献 244) 它的肉高度地被欣赏而且被在市场上销售乾燥盐腌。

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

Distinct pairing with embrace (Ref. 205). Viviparous, placental (Ref. 50449).西大西洋: 巴拿馬到巴西南部。

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., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)

  次级保育类动物, 见 IUCN 红皮书 (VU) (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: 商业性
FAO - Publication: search | FIRMS - Stock assessments | FishSource |

更多信息

Trophic ecology
食物相
食性组成
食物消耗量
Food rations
捕食者
Ecology
生态学
Population dynamics
成长参数
Max. ages / sizes
Length-weight rel.
Length-length rel.
体长-频率
Mass conversion
入添量
丰度
Life cycle
繁殖
成熟度
Maturity/Gills rel.
孕卵数
产卵场
Spawning aggregations

卵的发育
仔鱼
稚鱼动力学
Distribution
国家
FAO区域
生态系
标本纪录
简介
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Anatomy
鳃区
Brain
Otolith
Physiology
Body composition
Nutrients
耗氧量
游泳类型
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Visual pigments
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Toxicity (LC50s)
Genetics
遗传学
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Human related
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水产养殖描述
品种
Ciguatera cases
Stamps, coins, misc.
Outreach
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Taxonomy
俗名
同种异名
型态特徵
形态测量图
照片
References
参考文献

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): 24.6 - 28, mean 27.2 °C (based on 104 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00275 (0.00181 - 0.00418), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.3   ±0.65 se; based on food items.
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Fec=1).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (52 of 100).
价格分类 (Ref. 80766):   Medium.