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🌊 Marine Critically Endangered 🌡️ Temperate

Korean skate

Hongeo koreanus Jeong & Nakabo, 1997
Max Length
76 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
30–180 m
Climate
Temperate
Resilience
Low
Vulnerability
53.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Oviparous . Eggs have horn-like projections on the shell . Maximum length for female from Ref. 26574.

Scientific Name
Hongeo koreanus
Authority
Jeong & Nakabo, 1997
Habitat
Marine
Climate
Temperate
Body Shape
Other
IUCN Status
CR
Max Length
76 cm
Depth Range
30–180 m
Trophic Level
3.8
Resilience
Low
Vulnerability
53.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Hongeo
Hongeo
Species
Korean skate
Hongeo koreanus

🐟 Physical Description

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 .: other.

🌀 Behaviour

Behavioural data for Korean skate is currently being reviewed.

🦐 Diet

Diet information for Korean skate is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous, paired eggs are laid. Embryos feed solely on yolk .

🌍 Habitat & Distribution

Marine; demersal; depth range 30 - 180 m . Temperate Northwest Pacific: southwestern coast of the Korean Peninsula.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.8±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.24 (TL)
Max TL
76cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
53.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Other
Climate Zone
Temperate
Described By
Jeong & Nakabo, 1997

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