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🌊 Marine Vulnerable 🍽️ Edible ⚠️ Venomous ⚡ Traumatogenic 🌡️ Subtropical

Pacific angelshark

Squatina californica Ayres, 1859
Max Length
152 cm
Max Weight
-
Lifespan
35 yrs
Trophic Level
4.1
Depth
3–205 m
Climate
Subtropical
Resilience
Very low
Vulnerability
67.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found on the continental shelf and littoral areas .A sluggish and inactive species that buries itself in sand or mud . Also found around rocks, heads of submarine canyons, and sometimes near kelp forests . Feeds on bottom and epibenthic fishes, including croakers, California halibut, and squid . Ovoviviparous . Can whip up its head and snap very quickly when touched, provoked, harassed, or speared, and can inflict painful lacerations .

Scientific Name
Squatina californica
Authority
Ayres, 1859
Habitat
Marine
Climate
Subtropical
Body Shape
Other
IUCN Status
VU
Max Length
152 cm
Lifespan
35 years
Depth Range
3–205 m
Latitude
5°S – 56°N
Trophic Level
4.1
Resilience
Very low
Vulnerability
67.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. : other.

🌀 Behaviour

Behavioural data for Pacific angelshark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Ovoviviparous
Size at Maturity
97cm TL

Ovoviviparous, embryos feed solely on yolk .

🌍 Habitat & Distribution

Marine; demersal; depth range 3 - 205 m , usually 3 - 46 m . Subtropical; 56°N - 5°S, 134°W - 77°W south to northern Peru.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
4.1±0.4
Food Items

bottom and epibenthic fishes, including croakers, California halibut, and squid (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.07 (TL)
Max TL
152cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
67.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Other
Climate Zone
Subtropical
Latitude Range
56°N – 5°S
Described By
Ayres, 1859

⚠️ 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

🍽️ Edibility & Flavour

"Pacific angelshark is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 19.9 g
Omega-3 (total) 363 mg

🔬 Mercury Safety

Mercury data for Pacific angelshark has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Pacific angel shark · Pacific Angelshark
🌍CES polorejnok kalifornský
🇩🇪German Pazifischer Engelhai
🇫🇮Finnish kirjomerienkeli
🇫🇷French Ange de mer du Pacifique
🇮🇹Italian Squalo angelo del Pacifico
🇯🇵Japanese カリフォルニアカスザメ
🇳🇱Dutch Pacifische zee-engel
🇵🇱Polish Raszpla kalifornijska
🇷🇺Russian Калифорнийская скватина · Тихоокеанский морской ангел
🇪🇸Spanish Tiburón angelito · angelote del Pacífico

Scientific Synonyms

Scientific Name Author Year Status
Rhina philippi Garman 1913 Heterotypic

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 27 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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