New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🍽️ Edible 🌡️ Deep-water

New Zealand smooth skate

Dipturus innominatus Garrick & Paul, 1974
Max Length
240 cm
Max Weight
-
Lifespan
24 yrs
Trophic Level
4.1
Depth
15–1310 m
Climate
Deep-water
Resilience
Low
Vulnerability
80.00/100
Typical Length
80 cm
Depth Zone
deep-water

📖 Overview

Occurs in coastal waters, continental shelf and upper slope . Usually found in deeper waters to 200 m . Mainly feeds on benthic decapods and bony fishes . Oviparous . Eggs have horn-like projections on the shell . Males reaches maturity at ca. 150 cm TL. This species is said to be long lived and slow growing .

Scientific Name
Dipturus innominatus
Authority
Garrick & Paul, 1974
Habitat
Marine
Climate
Deep-water
Body Shape
Other
IUCN Status
LC
Max Length
240 cm
Lifespan
24 years
Depth Range
15–1310 m
Trophic Level
4.1
Resilience
Low
Vulnerability
80.00/100
Salinity
30–40 ppt

🐟 Physical Description

Grey with scattered charcoal blotches dorsally, greyish-white ventrally .: other.

🌀 Behaviour

Behavioural data for New Zealand smooth skate is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous
Size at Maturity
112cm TL

Oviparous, paired eggs are laid. Embryos feed solely on yolk . Young hatch at about 20-23 cm .

🌍 Habitat & Distribution

Marine; demersal; depth range 15 - 1310 m . Deep-water; 33°S - 43°S, 166°E - 178°W Southwest Pacific: endemic to New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water ⬇️ Benthic
Trophic Level
4.1±0.6
Food Items

benthic decapods and bony fishes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00229 × L3.23 (TL)
Max TL
240cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
80.00/100
Very High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Other
Climate Zone
Deep-water
Described By
Garrick & Paul, 1974

🍽️ Edibility & Flavour

"Dipturus Innominatus 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

Detailed nutritional data for New Zealand smooth skate is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for New Zealand smooth skate 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
- - -

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for New Zealand smooth skate ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.