Deania profundorum, Arrowhead dogfish

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Deania profundorum (Smith & Radcliffe, 1912)

Arrowhead dogfish
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Native range | All suitable habitat | Point map | Year 2100
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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

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (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 Ecology

Marine; bathydemersal; depth range 205 - 1800 m (Ref. 55584). Deep-water; 40°N - 37°S, 93°W - 127°E (Ref. 54348)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | 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 / Size / Weight / Age

Maturity: Lm ?, range 70 - ? cm
Max length : 79.0 cm TL male/unsexed; (Ref. 6577)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 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).

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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 | References | Coordinator : Compagno, Leonard J.V. | Collaborators

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. 126983)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Fisheries: species profile; Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
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Ecology
Diet
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Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
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Spawning
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Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
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Ciguatera
Speed
Swim. type
Gill area
Otoliths
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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: species profile; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 4.9 - 12.3, mean 8.3 °C (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=0.00191 (0.00108 - 0.00336), b=3.17 (3.01 - 3.33), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  4.4   ±0.4 se; based on diet studies.
Resilience (Ref. 120179):  Very Low, minimum population doubling time more than 14 years (Fec=5).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (52 of 100).
Nutrients (Ref. 124155):  Calcium = 7.85 [1.60, 42.16] mg/100g ; Iron = 0.322 [0.076, 1.053] mg/100g ; Protein = 20.7 [17.7, 22.9] % ; Omega3 = 0.33 [0.12, 1.04] g/100g ; Selenium = 15.9 [4.8, 45.8] μg/100g ; VitaminA = 15.3 [3.4, 70.3] μg/100g ; Zinc = 0.288 [0.139, 0.564] mg/100g (wet weight);