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Apristurus longicephalus Nakaya, 1975
SMOOTHBELLY CATSHARK
Longhead Catshark

Life   Vertebrata   Fish   Scyliorhinidae   Apristurus


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Following modified from Australian Faunal Directory
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http://biodiversity.org.au/afd/taxa/9d596fbc-b26f-4786-9043-3c730f07137e/ ---> https://biodiversity.org.au/afd/taxa/9d596fbc-b26f-4786-9043-3c730f07137e/
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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Carcharhiniformes  
 Family Scyliorhinidae  
 Genus Apristurus  
  Apristurus longicephalus    Nakaya, 1975 
Provider: Kwang-Tsao Shao 
hierarchy tree    download xml    download txt    Chinese Page    
Citation: 吳(2002)碩士論文; FAO Species Catalogue, Vol.4 Sharks of the world
Name Code: 383098
  IUCN Red List:LC       Marine     
Suggested Link    The Fish Database of Taiwan    FishBase  
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Apristurus&speciesname=longicephalus ---> https://www.fishbase.se/Summary/speciesSummary.php?genusname=Apristurus&speciesname=longicephalus
https://www.fishbase.se/Summary/speciesSummary.php?genusname=Apristurus&speciesname=longicephalus ---> https://www.fishbase.se/summary/Apristurus-longicephalus.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Apristurus longicephalus Nakaya , 1975

Longhead catshark Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Apristurus longicephalus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Apristurus longicephalus (Longhead catshark) Apristurus longicephalus
Picture by FAO

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

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Scyliorhinidae (Cat sharks)
Etymology: Apristurus: Greek, a = without + Greek, pristis = saw + Greek, oura = tail (Ref. 45335 ) .

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

Marine; bathydemersal; depth range 680 - 950 m (Ref. 97621 ).   Deep-water; 39°N - 22°S

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

Indo-West Pacific: Seychelles, Japan, East China Sea, Philippines, and Australia. New specimens were caught off western New Caledonia (Coriolis Bank, Lansdowne Bank, Lord Howe Ridge and Fairway Ridge) and off Mozambique (Ref. 53905 ).

Length at first maturity / Size / Weight / Age

Maturity: L m 51.0   range ? - ? cm
Max length : 60.0 cm TL male/unsexed; (Ref. 559 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines : 0; Anal soft rays : 0. Grey-black, without conspicuous markings (Ref. 244 ).

Biology     Glossary (e.g. epibenthic)

Inhabits deep water, probably near the bottom (Ref. 11146 ). Oviparous (Ref. 50449 ). First record of a cartilaginous fish manifesting rudimentary hermaphroditism (Ref. 53905 ). Biology little known (Ref. 6871 ).

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

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449 ). First record of a cartilaginous fish manifesting hermaphroditism which is further classified as rudimentary hermaphroditism (Ref. 53905 ).

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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244 )

IUCN Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 17 February 2015

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless (Ref. 6871 )




Human uses

Fisheries: minor commercial FAO(Publication : search ) | FishSource |

More information

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Length-weight
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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 5.2 - 7.4, mean 6 (based on 99 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00316 (0.00159 - 0.00631), b=3.12 (2.95 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.9   ±0.4 se; Based on size and trophs of closest relatives Resilience (Ref. 69278 ):  Very Low, minimum population doubling time more than 14 years (Fec assumed to be <10). Vulnerability (Ref. 59153 ):  Moderate to high vulnerability (50 of 100) . Price category (Ref. 80766 ):   Low .

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