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🌊 Marine Vulnerable 🌡️ Subtropical

Hemitrygon Izuensis

Hemitrygon izuensis (Nishida & Nakaya, 1988)
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
10–20 m
Climate
Subtropical
Resilience
Low
Vulnerability
90.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Hemitrygon Izuensis (Hemitrygon izuensis), first described by (Nishida & Nakaya, 1988) is a fish in the family Dasyatidae (order Myliobatiformes). It inhabits marine coastal and open-ocean environments. Recorded depth range: 10 to 20 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Vulnerable.

Scientific Name
Hemitrygon izuensis
Authority
(Nishida & Nakaya, 1988)
Habitat
Marine
Climate
Subtropical
IUCN Status
VU
Depth Range
10–20 m
Trophic Level
3.7
Resilience
Low
Vulnerability
90.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Hemitrygon Izuensis is currently being compiled.

🌀 Behaviour

Behavioural data for Hemitrygon Izuensis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Habitat and distribution data for Hemitrygon Izuensis is currently being compiled.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00447 × L3.12 (TL)

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
90.00/100
Very High vulnerability
Trophic Level
3.7
Predator
Climate Zone
Subtropical
Described By
(Nishida & Nakaya, 1988)

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Dasyatis izuensis Nishida & Nakaya 1988 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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