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Raja rhina Jordan and Gilbert, 1880
LONGNOSE SKATE
Life   Vertebrata   Fish   Rajidae   Raja


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

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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Beringraja rhina (Jordan & Gilbert , 1880)

Longnose skate Upload your photos  and  videos
Pictures | Google image Image of Beringraja rhina (Longnose skate) Beringraja rhina
Picture by Archipelago Marine Research Ltd.

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: Beringraja: Named for the Bering Sea, though to be the origin of the two species in this genus. ;   rhina: From the Greek 'rhina' meaning nose (Ref. 27436 ) .  More on authors: Jordan & Gilbert .

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

Marine; bathydemersal; depth range 9 - 1069 m (Ref. 80796 ), usually 55 - 350 m (Ref. 43939 ).   Deep-water; 61°N - 22°N, 165°W - 110°W (Ref. 55282 )

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

Eastern Pacific: Navarin Canyon in the Bering Sea and Unalaska Island, Alaska to Cedros Island, Baja California, Mexico.

Length at first maturity / Size / Weight / Age

Maturity: L m 90.0 , range 70 - 100 cm
Max length : 180 cm TL male/unsexed; (Ref. 96339 ); max. reported age: 13 years (Ref. 27350 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines : 0; Anal soft rays : 0. A row of about 20 sharp mid-dorsal spines from base of tail to space between dorsal spines where there may be an additional spine; 1 or 2 mid-dorsal spines immediately behind eyes; a sparse discontinuous row of spines around inner edge of orbit (Ref. 6885 ). Dorsal fins small and well back on tail; caudal reduced to a low ridge; anal fin absent; pectorals broad, attached to snout and incorporated with body; pelvic fins acutely and very deeply incised (Ref. 6885 ). A fleshy lateral ridge on each side of tail (Ref. 6885 ). Dorsal surface uniform brown with a simple dark ring at the base of each pectoral fin, and there may be a light spot posterior to the ring; the ventral surface is a muddy blue with small brown flecks on the anterior part (Ref. 6885 ).

Biology     Glossary (e.g. epibenthic)

Found partially or completely buried on sand and silty bottoms (Ref. 27436 ). Adults feed mainly on bony fishes (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 9.4-13.0 cm long and 5.7-7.7 cm wide (Ref. 41249 , 41300 , 41357 ). Males reaches maturity at ca. 62-74 cm TL, females at 70-100 cm TL; young hatch at 12-17 cm TL (Ref. 114953 ).

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 ). Egg cases usually with only one egg (Ref. 6885 ).

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: 01 December 2008

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

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

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

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Special reports

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Download XML

Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | BOLDSystems | 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 | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 3.4 - 8.6, mean 5.8 (based on 252 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00275 (0.00122 - 0.00623), b=3.23 (3.04 - 3.42), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.5   ±0.7 se; Based on size and trophs of closest relatives Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100). Vulnerability (Ref. 59153 ):  Very high vulnerability (78 of 100) . Price category (Ref. 80766 ):   Medium .

Entered by Froese, Rainer Modified by Abucay, Luisa Fish Forum
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