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Deania calcea (Lowe, 1839)
BIRDBEAK DOGFISH
Life   Vertebrata   Fish   Centrophoridae   Deania

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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Squaliformes  
 Family Centrophoridae  
 Genus Deania  
  Deania calcea    (Lowe, 1839) 
Provider: Pofeng Lee& Shoou-Jeng Joung 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Acanthidium aciculatum Acanthidium calceus Acanthidium rostratum Centrophorus crepidalbus Centrophorus kaikourae Deania aciculata Deania calceus Deania eglantina Deania rostrata   details
Citation: 臺灣魚類誌(沈等, 1993); 李柏峰(2003)碩士論文; 中國動物誌-圓口綱及軟骨魚綱(朱等, 2001); FAO Species Catalogue, Vol.4 Sharks of the world
Character: Extremely long snout. Compressed cutting teeth in both jaws. Two dorsal- fin with grooved dorsal fin spines, first dorsal fin long and low, origin over bases of pectoral fins; distance from origin of first dorsal spine to first dorsal rear tip much greater than distance from free rear tip to second dorsal spine. No anal fin. No subcaudal keel on underside of caudal peduncle. Denticles fairly small, crown length about 0.5 mm long. Colour grey-brown. 
Habitat: Maximum total length about 111 cm, adults males 70 to 91 cm, females 70 to 111 cm, size at birth above 30 cm. A common but little-known deepwater dogfish of the outer continental and insular shelves and upper slopes from 73 to 1450m depth, on or near the  
Distribution: South and Northeast off Taiwan; Eastern North Atlantic; Western Pacific. 
Name Code: 383205
  IUCN Red List:LC       Marine     
Suggested Link    The Fish Database of Taiwan    FishBase    Discover Life    World Register of Marine Species (WoRMS)  
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Deania&speciesname=calcea ---> http://www.fishbase.org/summary/Deania-calcea.html
http://www.fishbase.org/summary/Deania-calcea.html ---> https://www.fishbase.se/summary/Deania-calcea.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Deania calcea (Lowe , 1839)

Birdbeak dogfish Add your observation in Fish Watcher
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This map was computer-generated and has not yet been reviewed.
Deania calcea   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Deania calcea (Birdbeak dogfish) Deania calcea
Picture by Gomez, R.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Squaliformes (Bramble, sleeper and dogfish sharks) > Centrophoridae (Gulper sharks)
Etymology: Deania: From B. Dean (1916), ichthyiologist and researcher of ichtyiological bibliography (Ref. 45335 ) .  More on author: Lowe .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathydemersal; depth range 60 - 1490 m (Ref. 26346 ), usually 400 - 1400 m (Ref. 10717 ).   Deep-water; 70°N - 56°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: Iceland along Atlantic slope to Algoa Bay, South Africa (Ref. 247 , 5578 ). Western Pacific: southern Honshu in Japan, southern Australia, New Zealand. Occurrence in the Western Central Pacific uncertain (Ref. 31367 ). Eastern Pacific: southern Chile to northern Peru (Ref. 38549 ).

Length at first maturity / Size / Weight / Age

Maturity: L m 105.0 , range 70 - 111 cm
Max length : 122 cm TL male/unsexed; (Ref. 26346 )

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, 1st dorsal fin and no subcaudal keel (Ref. 5578 ). Grey-brownish in color (Ref. 6577 ).

Biology     Glossary (e.g. epibenthic)

Found on the outer continental and insular shelves and upper slopes (Ref. 247 ). Usually on or near the bottom but sometimes found well above it (Ref. 5578 ). Apparently in large schools (Ref. 5578 ). Feeds on pelagic bony fish, squid, octopus and shrimp (Ref. 5578 ). Ovoviviparous (Ref. 50449 ). Caught very rarely by demersal longline fisheries operating in deepwater of Indonesia. Utilized for its meat, fins (low value) and liver oil (very high value) (Ref. 58048 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Ovoviviparous, embryos feed solely on yolk (Ref. 50449 ). Young possibly number 6 to 12 in a litter, as these were the number of fertilized eggs found in the uteri of some specimens (Ref. 247 ). Size at birth 29 to 34 cm (Ref. 26346 ). 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. 120744 )

  Least Concern (LC)  ; Date assessed: 30 April 2003

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




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Fisheries: minor commercial FAO(fisheries: production , species profile ; publication : search ) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969 ): 0.3 - 9.6, mean 5.1 (based on 991 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00204 (0.00101 - 0.00413), b=3.16 (2.98 - 3.34), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.3   ±0.4 se; Based on diet studies. Generation time: 14.3 ( na - na) years. Estimated as median LN(3)/K based on 2 growth studies. Resilience (Ref. 120179 ):  Very Low, minimum population doubling time more than 14 years (K=0.077-0.135; Fec=6-12; tm=25). Vulnerability (Ref. 59153 ):  High to very high vulnerability (66 of 100) . Price category (Ref. 80766 ):   Medium .

Entered by Carpenter, Kent E. Modified by Luna, Susan M. Fish Forum
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