Usually occurs in rocky areas of bays and along shore, especially in caves and crevices . Prefers depths less than 26 m . An excellent food fish . Venomous spines in the dorsal, anal, and pelvic fins (Ref 13513). Minimum depth range based on occurrence .
Behavioural data for California scorpionfish 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
Marine; demersal; depth range 26 - 183 m , usually ? - 30 m . Subtropical; 37°N - 27°N, 123°W - 112°W central California, USA to Punta Abreojos, Baja California; including northern Gulf of California and Guadalupe Island in Mexico.
Mexico
🌿 Ecology
Zone Preferences
🌊 Marine⬇️ Benthic
Trophic Level
3.9±0.2
📐 Morphometrics
Length–Weight Relationship:
W = 0.02042 × L3.06
(TL)
Max TL
43cm
🌡️ Water Parameters & Tolerance
Salinity Range
30–40ppt
🛡️ Conservation Assessment
IUCN Category
Data Deficient
Assessment Date
2008
📊 Population Risk & Fisheries
Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Girard, 1854
⚠️ 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 systemcardiovascular
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 fishingpopping corksoft plasticslive bait
Bait & Lures
live shrimpcut mulletsoft plastic paddle-tailspopping 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.