Platyrhinoidis triseriata, Thornback guitarfish

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Platyrhinoidis triseriata (Jordan & Gilbert, 1880)

Thornback guitarfish
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Platyrhinoidis triseriata   AquaMaps   Data sources: GBIF OBIS
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Image of Platyrhinoidis triseriata (Thornback guitarfish)
Platyrhinoidis triseriata
Picture by Gotshall, D.W.

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) > Torpediniformes (Electric rays) > Platyrhinidae (Fanrays)
Etymology: Platyrhinoidis: Greek, platys = flat + Greek, rhinos = nose + Greek, oides = similar to (Ref. 45335).  More on authors: Jordan & Gilbert.

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

; 海洋 居于水底的; 深度上下限 0 - 137 m (Ref. 96339).   亞熱帶的; 38°N - 23°N, 124°W - 108°W (Ref. 114953)

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

Eastern Pacific: San Francisco, USA to Baja California, Mexico.
東太平洋: 舊金山, 美國到墨西哥的下加利福尼亞。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 48 - ? cm
Max length : 91.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2850)

生物学特性     字汇 (例如 epibenthic)

Inhabits fine sand to mud bottom, often near kelp beds and sometimes abundant on mud flats of coastal bays. Often buries itself in bottom sediments. Ranges from the intertidal zone to 50 m depth (Ref. 12951). Solitary or in small groups, gathers in shallow bays, lagoons, and off beaches (Ref. 12951, Ref. 114953). Feeds on small sand-dwelling crustaceans, worms and mollusks. Ovoviviparous (Ref. 50449), with 1 to 15 pups in a litter (Ref. 48844), mainly in August (Ref. 114953). Possesses ampullary electroreceptors with a region of maximum sensitivity of 5-15 Hz (Ref. 10011).

栖息于细砂到泥底, 时常在海藻床的附近与有时丰富的在近岸海湾的淤泥平台上。 时常掩藏于底部沉淀物中。 分布自潮间带到 50 公尺深。 (参考文献 12951) 独居性或形成小群鱼群.(参考文献 12951) 吃小的栖息于砂中的甲壳动物,蠕虫与软件动物。 卵胎生的 (参考文献 50449),1 到 15个幼胎一胎.(参考文献 48844) 持有壶腹电感受体具有一个 5- 的最大敏感的区域 15个赫兹.(参考文献 10011)

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

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).東太平洋: 舊金山, 美國到墨西哥的下加利福尼亞。

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

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

世界自然保护联盟红皮书 (Ref. 123251)

  最不相关 (LC) ; Date assessed: 07 October 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的 (Ref. 12951)





人类利用

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 15.3 - 23.1, mean 20.6 °C (based on 38 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.4   ±0.42 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).
脆弱性 (Ref. 59153):  Moderate to high vulnerability (51 of 100) .