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Deania profundorum (Smith & Radcliffe, 1912)

Arrowhead dogfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
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

Classification / Names Tên thường gặp | Các synonym ( Các tên trùng) | Catalog of Fishes(Giống, Các loài) | ITIS | CoL | WoRMS | Cloffa

Lớp phụ Cá sụn (cá mập và cá đuối) (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 Sinh thái học

Biển Tầng đáy biển sâu; Mức độ sâu 205 - 1800 m (Ref. 55584).   Deep-water; 40°N - 37°S, 93°W - 127°E (Ref. 54348)

Sự phân bố Các nước | Các khu vực của FAO | Các hệ sinh thái | Những lần xuất hiện | Point map | Những chỉ dẫn | 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.

Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age

Maturity: Lm ?, range 70 - ? cm
Max length : 110 cm TL con đực/không giới tính; (Ref. 95232)

Short description Khóa để định loại | Hình thái học | Sinh trắc học

Các tia vây lưng cứng (tổng cộng) : 2; Tia cứng vây hậu môn: 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).

Sinh học     Tự điển (thí dụ 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.

Life cycle and mating behavior Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 5 to 7 young in a litter (Ref. 5578). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | Các tài liệu tham khảo | Người điều phối : Compagno, Leonard J.V. | Người cộng tác

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)

IUCN Red List Status (Ref. 130435)

  Near Threatened (NT) (A2d); Date assessed: 21 November 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Các nghề cá: không ích lợi (thú vị)
FAO(Các nghề cá: species profile; publication : search) | FishSource |

Thêm thông tin

Trophic ecology
Các loại thức ăn
Diet compositions
Food consumptions
Food rations
Các động vật ăn mồi
Ecology
Sinh thái học
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Sự tái sinh sản
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Ấu trùng
Sự biến động ấu trùng
Anatomy
Gill areas
Não bộ
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Dạng bơi
Swimming speeds
Visual pigment(s)
Âm thanh của cá
Diseases / Parasites
Toxicities (LC50s)
Genetics
Di truyền
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Các tổng quan nuôi trồng thủy sản
Các giống
Ciguatera cases
Stamps, coins, misc.

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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).
Mức dinh dưỡng (Ref. 69278):  4.4   ±0.4 se; based on diet studies.
Thích nghi nhanh (Ref. 120179):  Rất thấp, thời gian nhân đôi của chủng quần tối thiểu là hơn 14 năm (Fec=5).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (66 of 100).