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Hongeo koreana  (Jeong & Nakabo, 1997)

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

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Hongeo: Name refers to the Korean common name for skates, 'hong-eo'.’;  koreana: Named after its type locality (Ref. 26574).

Environment / Climate / Range Ecology

Marine; demersal; depth range 30 - 180 m (Ref. 81217).   Temperate

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 76.0 cm TL male/unsexed; (Ref. 26574); 73.5 cm TL (female)

Short description Morphology | Morphometrics

This species is characterized by two derived character states: rostral cartilage continuous with the neurocranium and stout proximally, but very slender and uncalcified distally; and a broad anterior fontanelle, extending forward onto the basal part of rostral cartilage, slightly beyond the leading edge of nasal capsules. Other characters that distinguished this species are the following: the dorsal surface of tail of both sexes with a row of distinct thorns along midline; most thorns are directed anteriorly; middle of dorsal surface of disc with a pair of longitudinally elongated black blotches with undulated contours; three groups of outer buccal ampullae and tubules; three groups of nasal ampullae and tubules; ventral surface with hyoidean ampullae and tubules extending posteriorly past cloaca; rostral shaft is narrow with filamentous cartilage at the base; scapulocoracoid comparatively short and high with dorsoventrally elliptical anterior fenestra and expanded postventral fenestra; external margin of mesopterygium of pectoral fin slightly undulated, not sinuous nor fused with pectoral radials; with clasper component eperon and pent (Ref. 81217).

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

Northwest Pacific: southwestern coast of the Korean Peninsula.

Biology     Glossary (e.g. epibenthic)

Oviparous (Ref. 50449, 81217). Eggs have horn-like projections on the shell (Ref. 205). Maximum length for female from Ref. 26574.

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

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

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

Jeong, C.-H. and T. Nakabo, 1997. Raja koreana, a new species of skate (Elasmobranchii, Rajoidei) from Korea. Ichthyol. Res. 44(4):413-420. (Ref. 26574)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00135 - 0.00677), b=3.21 (3.03 - 3.39), based on LWR estimates for this (Sub)Family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.7   ±0.6 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):  Moderate to high vulnerability (49 of 100) .
Price category (Ref. 80766):   Medium.