📖 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
🐟 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
🌍 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
📐 Morphometrics
Length–Weight Relationship:
W = 0.00058 × L3.29
(TL)
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
IUCN Category
Least Concern
📊 Population Risk & Fisheries
Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
63.00/100
High vulnerability
Trophic Level
4.5
Apex / Top predator
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
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
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Rod Type
medium-heavy spinning
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
.