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

🌊 Marine Least Concern 🌡️ Tropical

Papuan velvet skate

Notoraja sereti White, Last & Mana, 2017
Max Length
45.9 cm
Max Weight
Lifespan
Trophic Level
3.8
Depth
800–980 m
Climate
Tropical
Resilience
Medium
Vulnerability
48.00/100
Typical Length
Depth Zone

📖 Overview

The species is known from three type specimens consisting of two females (45.9 and 45.8 cm TL) and an adolescent male (36.3 cm TL); based on the adolescent male size, the females are most likely adults .

Scientific Name
Notoraja sereti
Authority
White, Last & Mana, 2017
Habitat
Marine
Climate
Tropical
Body Shape
Other
IUCN Status
LC
Max Length
45.9 cm
Depth Range
800–980 m
Trophic Level
3.8
Resilience
Medium
Vulnerability
48.00/100
Salinity
30–40 ppt

🐟 Physical Description

This medium-size species is distinguished by the following set of characters: disc wider than long, width 47.1-50.3% TL, length 42.0-43.6% TL; head short (dorsal head length 15.2-16.2% TL; ventral head length 21.6-22.9% TL); snout relatively short (preorbital length 10.1-11.1% TL; ventral snout length 11.2-12.1% TL); interspiracular distance 5.3-5.9 TL, internasal distance 6.2-6.8% TL, preorbital length 2.4-3.0 times orbit length and 2.9-3.6 times interorbital; dorsal fins two, interdorsal space 1.1-1.9% TL; tail width at pelvic-fin axil 0.9-1.6 times its height; preorbital thorn single and small ; dorsal and most of ventral surface of disc entirely velvety, covered with fine denticles; adolescent male with median disc and pelvic fins naked; in females, anterior pelvic-fin lobe naked (skin naked or with sparse denticles ventrally on mid belly, chin, nasal curtain, and around cloaca); tail is long and slender, entirely velvety and without thorn-like denticles; lateral tail folds are moderately well developed; nasal lobes expanded, width of nasal curtain 7.9-8.3% TL; anterior pelvic-fin lobe is slightly shorter or similar length to posterior lobe; dorsal and ventral surfaces are greyish brown to dark bluish grey; total pectoral-fin radials 58-60; monospondylous centra 23-25, total diplospondylous centra 103-106, total centra 126-131 .: other; Cross section: flattened.

🌀 Behaviour

Behavioural data for Papuan velvet skate is currently being reviewed.

🦐 Diet

Diet information for Papuan velvet skate is currently being compiled.

🥚 Reproduction

Reproduction data for Papuan velvet skate is currently being compiled.

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 800 - 980 m . Tropical Central Pacific: Papua New Guinea.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.8±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.11 (TL)
Max TL
45.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
48.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Other
Climate Zone
Tropical
Described By
White, Last & Mana, 2017

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for Papuan velvet 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.