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Dipturus tengu (Jordan and Fowler, 1903)
ACUTENOSE SKATE
Life   Vertebrata   Fish   Rajidae   Dipturus


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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Rajiformes  
 Family Rajidae  
 Genus Dipturus  
  Dipturus tengu    (Jordan & Fowler, 1903) 
Provider: Kwang-Tsao Shao 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Raja tengu   details
Citation: 臺灣魚類誌(沈等, 1993); Fishbase(2005); Ishiyama R., 1967. Fauna Japonica. Rajidae (Pisces). Biogeographical Society of Japan , Tokyo 1967: i-vi, 30-33.
Name Code: 383180
  IUCN Red List:DD      
Suggested Link    The Fish Database of Taiwan    FishBase    Discover Life    World Register of Marine Species (WoRMS)  
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Following modified from FishBase
   Top | See original

http://www.fishbase.org/Summary/speciesSummary.php?genusname=Dipturus&speciesname=tengu ---> https://www.fishbase.se/Summary/speciesSummary.php?genusname=Dipturus&speciesname=tengu
https://www.fishbase.se/Summary/speciesSummary.php?genusname=Dipturus&speciesname=tengu ---> https://www.fishbase.se/summary/Dipturus-tengu.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Dipturus tengu (Jordan & Fowler , 1903)

Acutenose skate Add your observation in Fish Watcher
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Dipturus tengu   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Dipturus tengu (Acutenose skate) Dipturus tengu
Picture by The Fish Database of Taiwan

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

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates) > Rajinae
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335 ) .  More on authors: Jordan & Fowler .

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

Marine; demersal; depth range 45 - 400 m (Ref. 114953 ).   Temperate; 42°N - 15°N, 121°E - 144°E (Ref. 114953 )

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

Western Pacific: Japan to northern Philippines, including Taiwan (Ref. 114953 ).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 113 cm TL male/unsexed; (Ref. 114953 )

Biology     Glossary (e.g. epibenthic)

Found on sand-mud bottoms (Ref. 41299 ). Depth range from 80 m-150 m (Ref. 41299 ). Feeds on invertebrates and bony fish (Ref. 9908 , Ref. 114953 ). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205 ). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205 ). Egg capsules are 8.5-10.0 cm long and 5.5-6.4 cm wide (Ref. 41249 , 41253 ).

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

Oviparous (Ref. 9908 ). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205 ).

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

McEachran, J.D. and K.A. Dunn , 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314 )

IUCN Red List Status (Ref. 120744 )

  Data deficient (DD)  ; Date assessed: 25 May 2007

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

Other (Ref. 10311 )




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Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 14 - 27.2, mean 20.3 (based on 96 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00282 (0.00128 - 0.00621), b=3.24 (3.06 - 3.42), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.0   ±0.61 se; Based on food items. Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100). Vulnerability (Ref. 59153 ):  High vulnerability (64 of 100) .

Entered by Garilao, Cristina V. Modified by Abucay, Luisa Fish Forum
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