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🌊 Marine Data Deficient 🌡️ Tropical

Austin's guitarfish

Rhinobatos austini Ebert & Gon, 2017
Max Length
115 cm
Max Weight
Lifespan
Trophic Level
3.8
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
57.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Austin's guitarfish (Rhinobatos austini) is a ray-finned fish of the family Rhinobatidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 115 cm. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Rhinobatos austini
Authority
Ebert & Gon, 2017
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
115 cm
Trophic Level
3.8
Resilience
Medium
Vulnerability
57.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by the following set of characters: no prominent thorns or tubercles on dorsal surface; distinct colour pattern of paired spots of differing sizes, some forming darker transverse bands across its back; ventral surface colour mostly white, without distinctive patterning except for a prominent teardrop-shaped black blotch extending posteriorly from rostral tip to about midpoint anterior to upper mouth; nasal lamellae 61-63; upper jaw tooth count about ca. 83-93; post-synarcual centra 177-181; total vertebral segments 193-198;total pectoral skeleton radials 67-71 .Cross section: flattened.

🌀 Behaviour

Behavioural data for Austin's guitarfish is currently being reviewed.

🦐 Diet

Diet information for Austin's guitarfish is currently being compiled.

🥚 Reproduction

Reproduction data for Austin's guitarfish is currently being compiled.

🌍 Habitat & Distribution

Marine; pelagic-neritic. Tropical South Africa to north of Bazaruto Island, central Mozambique.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.8±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3.04 (TL)
Max TL
115cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
57.00/100
High vulnerability
Trophic Level
3.8
Predator
Climate Zone
Tropical
Described By
Ebert & Gon, 2017

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