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Rhinoraja longicauda Ishiyama, 1952
WHITE-BELLIED SOFTNOSE SKATE
Life   Vertebrata   Fish   Rajidae   Rhinoraja


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Rhinoraja&speciesname=longicauda ---> http://www.fishbase.org/summary/Rhinoraja-longicauda.html
http://www.fishbase.org/summary/Rhinoraja-longicauda.html ---> https://www.fishbase.in/summary/Rhinoraja-longicauda.html

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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Rhinoraja longicauda Ishiyama , 1952

White-bellied softnose skate 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.
Rhinoraja longicauda   AquaMaps   Data sources: GBIF OBIS
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Google image Image of Rhinoraja longicauda (White-bellied softnose skate) Rhinoraja longicauda
No image available for this species;
drawing shows typical fish in this Family.

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

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Skates)
Etymology: Rhinoraja: Greek, rhinos = nose + Latin, raja, -ae = a sting ray (Ref. 45335 ) .

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

Marine; bathydemersal; depth range 300 - 1000 m (Ref. 50610 ).   Temperate

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

Northwest Pacific: off northern Japan and the neighboring Russian coast.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm

Short description Morphology | Morphometrics

Lobate spines absent. Snout broad, obtuse. Juveniles greenish gray with brown hue on dorsal surface, adults chocolate-brown to gray (Ref. 41158 ).

Biology     Glossary (e.g. epibenthic)

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 cm long and 4.3-4.8 cm wide (Ref. 41249 , 41253 ).

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

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449 ). 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. 119314 )

  Least Concern (LC)  ; Date assessed: 08 September 2004

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search ) | FishSource |

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Tools

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Summary page | Point data | Common names | Photos

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 | SeaLifeBase | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 0.9 - 3.6, mean 2.1 (based on 41 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00513 (0.00257 - 0.01023), 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   ±0.7 se; Based on size and trophs of closest relatives Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100). Vulnerability (Ref. 59153 ):  High to very high vulnerability (71 of 100) .

Entered by Garilao, Cristina V. Modified by Bailly, Nicolas Fish Forum
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