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🌊 Marine Vulnerable 🌡️ Tropical

Short tail Yellownose skate

Zearaja brevicaudata Marini, 1933
Max Length
32.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
25–350 m
Climate
Tropical
Resilience
Medium
Vulnerability
30.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Overview information for Short tail Yellownose skate is currently being compiled by our editorial team.

Scientific Name
Zearaja brevicaudata
Authority
Marini, 1933
Habitat
Marine
Climate
Tropical
IUCN Status
VU
Max Length
32.4 cm
Depth Range
25–350 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
30.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Zearaja
Zearaja
Species
Short tail Yellownose skate
Zearaja brevicaudata

🐟 Physical Description

This relatively large species of skate with a rhombic-shaped disc is distinguished by the following set of characters: snout relatively large, 1.7-2.9 times tail length; tail short, 2.1-2.7 times in total length, with a short distance between the first gill openings, 3.42-4.19 times indirect disc length; dermal denticles mainly restricted to the rostral area, both in dorsal and ventral surfaces; denticles more conspicuous in adults, and can be absent or in less number in neonates and juveniles; tail with 3-5 rows of thorns (rarely only one); clasper relatively long and stout, 74-78% of the tail’s length in adult specimens; terminal bridge (Tb) straight towards the tip of dorsal terminal 2, and the spike is thin and does not reach the Tb; ventral terminal cartilage has a short apophysis, and its outer edge is narrow; distal tip of the axial is relatively narrow .Cross section: flattened.

🌀 Behaviour

Behavioural data for Short tail Yellownose skate is currently being reviewed.

🦐 Diet

Diet information for Short tail Yellownose skate is currently being compiled.

🥚 Reproduction

Reproduction data for Short tail Yellownose skate is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 25 - 350 m , usually 50 - 150 m . Tropical east the Beagle Channel (Argentina and Chile).

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.24 (TL)
Max TL
32.4cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.7
Predator
Climate Zone
Tropical
Described By
Marini, 1933

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