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🌊 Marine Least Concern 🎣 Game Fish ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical 🎣 Game Fish

Kidako moray

Gymnothorax kidako Temminck & Schlegel, 1846
Max Length
91.5 cm
Max Weight
-
Lifespan
-
Trophic Level
4.5
Depth
2–350 m
Climate
Tropical
Resilience
Low
Vulnerability
63.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Benthic . Occurs in crevices in shallow reefs. Often snatches game from divers. Used as food fish in some districts in Japan.

Scientific Name
Gymnothorax kidako
Authority
Temminck & Schlegel, 1846
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
91.5 cm
Depth Range
2–350 m
Trophic Level
4.5
Resilience
Low
Vulnerability
63.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

: eel-like.

🌀 Behaviour

Behavioural data for Kidako moray is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; reef-associated; depth range 2 - 350 m . Tropical Central Pacific: endemic, from Japan, Taiwan, Ogasawara Islands, Hawaii and the Society Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4.5±0.61

📐 Morphometrics

Length–Weight Relationship: W = 0.00058 × L3.29 (TL)
Max TL
91.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
63.00/100
High vulnerability
Trophic Level
4.5
Apex / Top predator
Climate Zone
Tropical
Described By
Temminck & Schlegel, 1846

⚠️ Venom Profile

Medical Warning: This species is venomous. Seek immediate medical attention if envenomated. Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous neurotoxin
Delivery
dorsal, anal, and pelvic fin spines
Potency
Severe
Mortality Risk
Low
Symptom Onset
5min
Duration
24.0hrs
Antivenom
✗ Not Available
Named Toxins
high-molecular-weight protein (Stonustoxin analogue) acetylcholine
Symptoms
  • immediate intense pain
  • swelling
  • erythema
  • occasional nausea and weakness
Affected Body Systems
peripheral nervous system cardiovascular
First Aid
Immerse affected area in hot water (45 C, tolerable) for 30-90 minutes to denature toxin. Do not apply ice.
Medical Treatment

Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Kidako Moray
🌍CES muréna kidako · muréna sliznatá
🇩🇪German Kidako-Muräne
🇯🇵Japanese Utsubo · ウツボ
🇵🇹Portuguese Moréia-de-Kidako
🇪🇸Spanish Morena de Kidako
🌍THA ปลาหลดหินคิดาโกะ
🇨🇳Chinese 薯鰻 · 虎鰻 · 蠕紋裸胸鯙 · 蠕紋裸胸鱔 · 蠕纹裸胸鳝 · 錢鰻

Scientific Synonyms

Scientific Name Author Year Status
Gymnothorax mucifer Snyder 1904 Synonym
Muraena kidako Temminck & Schlegel 1846 Synonym
Muraena similis Richardson 1848 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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