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Deania profundorum (Smith & Radcliffe, 1912)

Arrowhead dogfish
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Native range | All suitable habitat | Point map | Year 2050
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Deania profundorum   AquaMaps   Data sources: GBIF OBIS
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Image of Deania profundorum (Arrowhead dogfish)
Deania profundorum
Male picture by Cambraia Duarte, P.M.N. (c)ImagDOP

South Africa country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the west coast south to Hondeklip Bay, also off Natal (common but sporadic). Also Ref. 247, 6577, 31367.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989
National Database:

Common names from other countries

Squale-savate lutin, Tollo flecha, كلب البحر مُتيقِّظ, ... more

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Centrophoridae (Gulper sharks)
Etymology: Deania: -ia (Gr.), belonging to: American ichthyologist Bashford Dean (1867-1928), American Museum of Natural History, for his research on selachian fishes. (See ETYFish);  profundorum: Latin for “of the depths,” type specimens collected from 717-1785 m. (See ETYFish).
  More on authors: Smith & Radcliffe.

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

海洋 深海底的; 深度上下限 205 - 1800 m (Ref. 55584).   深水域; 40°N - 37°S, 93°W - 127°E (Ref. 54348)

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

Northwest Atlantic: North Carolina, USA. Eastern Atlantic: West Sahara to Senegal, Nigeria, Gabon to Democratic Republic of the Congo, Namibia and South Africa (Ref. 5578). Indian Ocean: Arabian Sea (Ref. 85183). Western Central Pacific: Philippines.
西北大西洋: 美國北卡羅萊那州。 東大西洋: 撒哈拉西方部到塞內加爾，奈及利亞，加彭到剛果，那米比亞與南非.(參考文獻 5578) 中西太平洋: 菲律賓。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 70 - ? cm
Max length : 110 cm TL 雄鱼/尚未辨别雌雄; (Ref. 95232)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 2; 臀棘: 0. A longnose dogfish with a long, low 1st dorsal fin and a subcaudal keel on underside of caudal peduncle (Ref. 5578). Brownish-grey or dark grey in color (Ref. 5578).
一只长鼻的狗鲨在尾柄的下面上具有一个长的，低第一背鳍与一个子尾部的龙骨脊。 (参考文献 5578) 灰褐色或深灰色的颜色.(参考文献 5578)

生物学特性     字汇 (例如 epibenthic)

Found on the upper continental and insular slopes, on or near the bottom (Ref. 247). Feeds on small benthic and midwater bony fishes, squid, and crustaceans (Ref. 247). Ovoviviparous (Ref. 50449). Minimum depth reported from taken from Ref. 5578.

栖息于上层大陆斜坡与岛屿斜坡了, 在底部上面或附近。 (参考文献 247) 吃小型底栖的与中层水域硬骨鱼类，乌贼与甲壳动物.(参考文献 247) 卵胎生的.(参考文献 50449) 最小深度记录自取自参考文献 5578.

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 5 to 7 young in a litter (Ref. 5578). Distinct pairing with embrace (Ref. 205).西北大西洋: 美國北卡羅萊那州。 東大西洋: 撒哈拉西方部到塞內加爾，奈及利亞，加彭到剛果，那米比亞與南非.(參考文獻 5578) 中西太平洋: 菲律賓。

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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

世界自然保护联盟红皮书 (Ref. 130435)

  临近濒危 (NT) (A2d); Date assessed: 21 November 2019

CITES (Ref. 128078)

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
FAO(渔业: 物种外形; publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 4.9 - 12.3, mean 8.3 (based on 337 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00113 - 0.00369), b=3.15 (2.99 - 3.31), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
营养阶层 (Ref. 69278):  4.4   ±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=5).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (66 of 100).